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Browse files- e88186124ec611f1/dataset/sample_submission.csv +3 -6
- e88186124ec611f1/dataset/test.csv +0 -0
- e88186124ec611f1/dataset/train.csv +0 -0
- gridlock_solution.ipynb +3 -448
- solve.py +181 -106
- submission.csv +0 -0
- traffic-management-travel-demand-forecast (1).ipynb +3 -1085
e88186124ec611f1/dataset/sample_submission.csv
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gridlock_solution.ipynb
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"metadata": {
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"colab": {
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"provenance": []
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},
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"kernelspec": {
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"display_name": "Python 3",
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"name": "python3"
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},
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"language_info": {
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"name": "python"
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}
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},
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Gridlock Hackathon 2.0 — Traffic Demand Prediction\n",
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"\n",
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"**Approach:** LightGBM + XGBoost ensemble with temporal lag features.\n",
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"\n",
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"**Key features:**\n",
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"- Geohash → lat/lon\n",
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"- Cyclical time encoding (sin/cos of hour)\n",
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"- **Lag feature:** same geohash + same timestamp from previous day (day 48)\n",
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"- Per-geohash aggregations: mean, std, median, max demand\n",
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"- Per-geohash per-hour mean demand\n",
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"- Neighbourhood (geo3-prefix) demand aggregations\n",
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"- Temperature (imputed via geohash+hour mean where missing)\n",
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"- Road features: RoadType, NumberofLanes, LargeVehicles, Landmarks, Weather\n",
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"\n",
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"**Evaluation:** `score = max(0, 100 * R2(actual, predicted))`"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Install dependencies (Colab)\n",
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"!pip install pygeohash lightgbm xgboost -q"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"import numpy as np\n",
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"import pandas as pd\n",
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"import pygeohash as pgh\n",
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"from lightgbm import LGBMRegressor\n",
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"from xgboost import XGBRegressor\n",
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"from sklearn.metrics import r2_score\n",
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"import warnings\n",
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"warnings.filterwarnings('ignore')\n",
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"\n",
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"print('Libraries loaded.')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## 1. Load Data\n",
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"\n",
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"Upload `train.csv` and `test.csv` to Colab or mount Google Drive."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Option A: upload files manually\n",
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| 82 |
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"# from google.colab import files\n",
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"# uploaded = files.upload() # upload train.csv and test.csv\n",
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"\n",
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"# Option B: mount Drive\n",
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"# from google.colab import drive\n",
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"# drive.mount('/content/drive')\n",
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"# DATA_PATH = '/content/drive/MyDrive/gridlock/'\n",
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"\n",
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| 90 |
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"# Option C: local paths (if running locally)\n",
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"DATA_PATH = 'e88186124ec611f1/dataset/'\n",
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"\n",
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"train = pd.read_csv(DATA_PATH + 'train.csv')\n",
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"test = pd.read_csv(DATA_PATH + 'test.csv')\n",
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"\n",
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"print(f'Train: {train.shape}, Test: {test.shape}')\n",
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"print('Train days:', sorted(train.day.unique()))\n",
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"print('Test days:', sorted(test.day.unique()))\n",
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"train.head()"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## 2. Feature Engineering"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"def parse_timestamp(df):\n",
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" df = df.copy()\n",
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" df['hour'] = df['timestamp'].map(lambda x: int(x.split(':')[0]))\n",
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" df['minute'] = df['timestamp'].map(lambda x: int(x.split(':')[1]))\n",
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" df['time_min'] = df['day'] * 24 * 60 + df['hour'] * 60 + df['minute']\n",
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" # Cyclical daily time\n",
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" t = (df['hour'] * 60 + df['minute']) / (24 * 60) * 2 * np.pi\n",
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" df['time_sin'] = np.sin(t)\n",
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" df['time_cos'] = np.cos(t)\n",
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" # Cyclical day\n",
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" d = df['day'] / 7 * 2 * np.pi\n",
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" df['day_sin'] = np.sin(d)\n",
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" df['day_cos'] = np.cos(d)\n",
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" return df\n",
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"\n",
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"\n",
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"def decode_geohash(df):\n",
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" df = df.copy()\n",
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" decoded = df['geohash'].map(pgh.decode)\n",
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| 134 |
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" df['lat'] = decoded.map(lambda x: x[0])\n",
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" df['lon'] = decoded.map(lambda x: x[1])\n",
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| 136 |
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" df['geo3'] = df['geohash'].str[:3]\n",
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| 137 |
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" df['geo4'] = df['geohash'].str[:4]\n",
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" return df\n",
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"\n",
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"\n",
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"def encode_categoricals(df):\n",
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" df = df.copy()\n",
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" df['RoadType_enc'] = df['RoadType'].map({'Residential': 0, 'Street': 1, 'Highway': 2}).fillna(-1)\n",
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" df['LargeVehicles_enc'] = (df['LargeVehicles'] == 'Allowed').astype(float)\n",
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| 145 |
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" df['Landmarks_enc'] = (df['Landmarks'] == 'Yes').astype(float)\n",
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| 146 |
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" df['Weather_enc'] = df['Weather'].map({'Sunny': 0, 'Rainy': 1, 'Foggy': 2, 'Snowy': 3}).fillna(-1)\n",
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" return df\n",
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"\n",
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"\n",
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"train = parse_timestamp(train)\n",
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"train = decode_geohash(train)\n",
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"train = encode_categoricals(train)\n",
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"\n",
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"test = parse_timestamp(test)\n",
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"test = decode_geohash(test)\n",
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"test = encode_categoricals(test)\n",
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"\n",
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"print('Basic features done.')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# ── Temperature imputation ────────────────────────────────────────────────────\n",
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| 168 |
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"# Use geohash+hour mean from training data\n",
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| 169 |
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"geo_hour_temp = (train.dropna(subset=['Temperature'])\n",
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" .groupby(['geohash', 'hour'])['Temperature']\n",
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" .mean().reset_index()\n",
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| 172 |
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" .rename(columns={'Temperature': 'temp_impute'}))\n",
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"\n",
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| 174 |
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"day_temp_mean = train.groupby('day')['Temperature'].mean()\n",
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"\n",
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| 176 |
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"def impute_temp(df):\n",
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| 177 |
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" df = df.merge(geo_hour_temp, on=['geohash', 'hour'], how='left')\n",
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| 178 |
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" df['Temperature'] = df['Temperature'].fillna(df['temp_impute'])\n",
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| 179 |
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" df['Temperature'] = df['Temperature'].fillna(day_temp_mean.mean())\n",
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| 180 |
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" df = df.drop(columns=['temp_impute'])\n",
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| 181 |
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" return df\n",
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"\n",
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"train = impute_temp(train)\n",
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"test = impute_temp(test)\n",
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| 185 |
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"print(f'Temp NaN remaining - train: {train.Temperature.isna().sum()}, test: {test.Temperature.isna().sum()}')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# ── Lag feature: same geohash + same timestamp, 1 day earlier ────────────────\n",
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"train48 = (train[train['day'] == 48][['geohash', 'timestamp', 'demand']]\n",
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" .rename(columns={'demand': 'demand_lag1d'}))\n",
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"\n",
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"train = train.merge(train48, on=['geohash', 'timestamp'], how='left')\n",
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"test = test.merge(train48, on=['geohash', 'timestamp'], how='left')\n",
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"\n",
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"print(f'Lag1d coverage - train: {train.demand_lag1d.notna().sum()}/{len(train)}, '\n",
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" f'test: {test.demand_lag1d.notna().sum()}/{len(test)}')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"# ── Aggregation features (from all train data) ───────────────────────────────\n",
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"\n",
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"# geohash statistics\n",
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"geo_stats = (train.groupby('geohash')['demand']\n",
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| 215 |
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" .agg(['mean','std','median','max']).reset_index()\n",
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| 216 |
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" .rename(columns={'mean':'geo_mean','std':'geo_std',\n",
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" 'median':'geo_median','max':'geo_max'}))\n",
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| 218 |
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"geo_stats['geo_std'] = geo_stats['geo_std'].fillna(0)\n",
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"\n",
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| 220 |
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"# geohash + hour mean\n",
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| 221 |
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"geo_hour_demand = (train.groupby(['geohash','hour'])['demand']\n",
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| 222 |
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" .mean().reset_index()\n",
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| 223 |
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" .rename(columns={'demand':'geo_hour_mean'}))\n",
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"\n",
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| 225 |
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"# geohash + exact timestamp mean (captures recurring patterns)\n",
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"geo_ts_mean = (train.groupby(['geohash','timestamp'])['demand']\n",
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| 227 |
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" .mean().reset_index()\n",
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| 228 |
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" .rename(columns={'demand':'geo_ts_mean'}))\n",
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"\n",
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| 230 |
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"# geo3 neighbourhood + hour mean\n",
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| 231 |
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"geo3_hour = (train.groupby(['geo3','hour'])['demand']\n",
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| 232 |
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" .mean().reset_index()\n",
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| 233 |
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" .rename(columns={'demand':'geo3_hour_mean'}))\n",
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"\n",
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| 235 |
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"# geo3 overall mean\n",
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| 236 |
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"geo3_mean = (train.groupby('geo3')['demand']\n",
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| 237 |
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" .mean().reset_index()\n",
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| 238 |
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" .rename(columns={'demand':'geo3_mean'}))\n",
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"\n",
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| 240 |
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"# Hour-of-day global mean (captures daily rhythm)\n",
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| 241 |
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"hour_mean = (train.groupby('hour')['demand']\n",
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| 242 |
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" .mean().reset_index()\n",
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| 243 |
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" .rename(columns={'demand':'hour_global_mean'}))\n",
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| 244 |
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"\n",
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| 245 |
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"def apply_aggs(df):\n",
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| 246 |
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" df = df.merge(geo_stats, on='geohash', how='left')\n",
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| 247 |
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" df = df.merge(geo_hour_demand, on=['geohash','hour'], how='left')\n",
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| 248 |
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" df = df.merge(geo_ts_mean, on=['geohash','timestamp'], how='left')\n",
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| 249 |
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" df = df.merge(geo3_hour, on=['geo3','hour'], how='left')\n",
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| 250 |
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" df = df.merge(geo3_mean, on='geo3', how='left')\n",
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| 251 |
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" df = df.merge(hour_mean, on='hour', how='left')\n",
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| 252 |
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" # Impute missing lag1d using geo_ts_mean\n",
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| 253 |
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" df['demand_lag1d'] = df['demand_lag1d'].fillna(df['geo_ts_mean'])\n",
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| 254 |
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" return df\n",
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| 255 |
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"\n",
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| 256 |
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"train = apply_aggs(train)\n",
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| 257 |
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"test = apply_aggs(test)\n",
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| 258 |
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"\n",
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| 259 |
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"print('Aggregation features done.')\n",
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| 260 |
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"print(f'Train features: {train.shape[1]}')"
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| 261 |
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]
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},
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{
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| 264 |
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"cell_type": "markdown",
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| 265 |
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"metadata": {},
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"source": [
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| 267 |
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"## 3. Model Training"
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| 268 |
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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| 276 |
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"FEATURES = [\n",
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| 277 |
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" 'lat', 'lon',\n",
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| 278 |
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" 'hour', 'minute', 'day',\n",
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| 279 |
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" 'time_sin', 'time_cos', 'day_sin', 'day_cos',\n",
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| 280 |
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" 'RoadType_enc', 'NumberofLanes', 'LargeVehicles_enc', 'Landmarks_enc',\n",
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| 281 |
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" 'Temperature', 'Weather_enc',\n",
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| 282 |
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" 'demand_lag1d',\n",
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| 283 |
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" 'geo_mean', 'geo_std', 'geo_median', 'geo_max',\n",
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| 284 |
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" 'geo_hour_mean', 'geo_ts_mean', 'geo3_hour_mean', 'geo3_mean',\n",
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| 285 |
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" 'hour_global_mean',\n",
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| 286 |
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"]\n",
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| 287 |
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"\n",
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| 288 |
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"X = train[FEATURES].fillna(-1)\n",
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| 289 |
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"y = train['demand']\n",
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| 290 |
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"X_test = test[FEATURES].fillna(-1)\n",
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| 291 |
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"\n",
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| 292 |
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"# Cross-val: train on day48, validate on day49\n",
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| 293 |
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"mask49 = train['day'] == 49\n",
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| 294 |
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"X_tr, y_tr = X[~mask49], y[~mask49]\n",
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| 295 |
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"X_va, y_va = X[mask49], y[mask49]\n",
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| 296 |
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"\n",
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| 297 |
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"print(f'CV split — train: {X_tr.shape}, val: {X_va.shape}')"
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| 298 |
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]
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| 299 |
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},
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{
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| 301 |
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"cell_type": "code",
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| 302 |
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"execution_count": null,
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| 303 |
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"metadata": {},
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| 304 |
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"outputs": [],
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| 305 |
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"source": [
|
| 306 |
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"# ── LightGBM ──────────────────────────────────────────────────────────────────\n",
|
| 307 |
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"lgbm_params = dict(\n",
|
| 308 |
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" n_estimators=5000,\n",
|
| 309 |
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" learning_rate=0.015,\n",
|
| 310 |
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" num_leaves=255,\n",
|
| 311 |
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" min_child_samples=15,\n",
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| 312 |
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" subsample=0.8, subsample_freq=1,\n",
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| 313 |
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" colsample_bytree=0.8,\n",
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| 314 |
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" reg_alpha=0.05, reg_lambda=0.1,\n",
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| 315 |
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" random_state=42, verbose=-1, n_jobs=-1,\n",
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| 316 |
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")\n",
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| 317 |
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"\n",
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| 318 |
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"lgbm_cv = LGBMRegressor(**lgbm_params)\n",
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| 319 |
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"lgbm_cv.fit(X_tr, y_tr)\n",
|
| 320 |
-
"lgbm_cv_pred = lgbm_cv.predict(X_va)\n",
|
| 321 |
-
"lgbm_r2 = r2_score(y_va, lgbm_cv_pred)\n",
|
| 322 |
-
"print(f'LightGBM CV R2: {lgbm_r2:.4f} score: {max(0,100*lgbm_r2):.2f}')"
|
| 323 |
-
]
|
| 324 |
-
},
|
| 325 |
-
{
|
| 326 |
-
"cell_type": "code",
|
| 327 |
-
"execution_count": null,
|
| 328 |
-
"metadata": {},
|
| 329 |
-
"outputs": [],
|
| 330 |
-
"source": [
|
| 331 |
-
"# ── XGBoost ───────────────────────────────────────────────────────────────────\n",
|
| 332 |
-
"xgb_params = dict(\n",
|
| 333 |
-
" n_estimators=5000,\n",
|
| 334 |
-
" learning_rate=0.015,\n",
|
| 335 |
-
" max_depth=8,\n",
|
| 336 |
-
" subsample=0.8,\n",
|
| 337 |
-
" colsample_bytree=0.8,\n",
|
| 338 |
-
" reg_alpha=0.05, reg_lambda=0.1,\n",
|
| 339 |
-
" random_state=42, verbosity=0, n_jobs=-1,\n",
|
| 340 |
-
" tree_method='hist',\n",
|
| 341 |
-
")\n",
|
| 342 |
-
"\n",
|
| 343 |
-
"xgb_cv = XGBRegressor(**xgb_params)\n",
|
| 344 |
-
"xgb_cv.fit(X_tr, y_tr)\n",
|
| 345 |
-
"xgb_cv_pred = xgb_cv.predict(X_va)\n",
|
| 346 |
-
"xgb_r2 = r2_score(y_va, xgb_cv_pred)\n",
|
| 347 |
-
"print(f'XGBoost CV R2: {xgb_r2:.4f} score: {max(0,100*xgb_r2):.2f}')"
|
| 348 |
-
]
|
| 349 |
-
},
|
| 350 |
-
{
|
| 351 |
-
"cell_type": "code",
|
| 352 |
-
"execution_count": null,
|
| 353 |
-
"metadata": {},
|
| 354 |
-
"outputs": [],
|
| 355 |
-
"source": [
|
| 356 |
-
"# ── Ensemble: find best blend weight ─────────────────────────────────────────\n",
|
| 357 |
-
"best_w, best_r2 = 0, -999\n",
|
| 358 |
-
"for w in np.arange(0, 1.05, 0.05):\n",
|
| 359 |
-
" blend = w * lgbm_cv_pred + (1 - w) * xgb_cv_pred\n",
|
| 360 |
-
" r2 = r2_score(y_va, blend)\n",
|
| 361 |
-
" if r2 > best_r2:\n",
|
| 362 |
-
" best_r2, best_w = r2, w\n",
|
| 363 |
-
"\n",
|
| 364 |
-
"print(f'Best blend: {best_w:.2f} * LightGBM + {1-best_w:.2f} * XGBoost')\n",
|
| 365 |
-
"print(f'Ensemble CV R2: {best_r2:.4f} score: {max(0,100*best_r2):.2f}')"
|
| 366 |
-
]
|
| 367 |
-
},
|
| 368 |
-
{
|
| 369 |
-
"cell_type": "code",
|
| 370 |
-
"execution_count": null,
|
| 371 |
-
"metadata": {},
|
| 372 |
-
"outputs": [],
|
| 373 |
-
"source": [
|
| 374 |
-
"# ── Train final models on ALL data ────────────────────────────────────────────\n",
|
| 375 |
-
"print('Training final LightGBM...')\n",
|
| 376 |
-
"lgbm_final = LGBMRegressor(**lgbm_params)\n",
|
| 377 |
-
"lgbm_final.fit(X, y)\n",
|
| 378 |
-
"\n",
|
| 379 |
-
"print('Training final XGBoost...')\n",
|
| 380 |
-
"xgb_final = XGBRegressor(**xgb_params)\n",
|
| 381 |
-
"xgb_final.fit(X, y)\n",
|
| 382 |
-
"\n",
|
| 383 |
-
"# Blend predictions\n",
|
| 384 |
-
"lgbm_test_pred = lgbm_final.predict(X_test)\n",
|
| 385 |
-
"xgb_test_pred = xgb_final.predict(X_test)\n",
|
| 386 |
-
"final_preds = np.clip(\n",
|
| 387 |
-
" best_w * lgbm_test_pred + (1 - best_w) * xgb_test_pred,\n",
|
| 388 |
-
" 0, None\n",
|
| 389 |
-
")\n",
|
| 390 |
-
"\n",
|
| 391 |
-
"print('Done.')"
|
| 392 |
-
]
|
| 393 |
-
},
|
| 394 |
-
{
|
| 395 |
-
"cell_type": "markdown",
|
| 396 |
-
"metadata": {},
|
| 397 |
-
"source": [
|
| 398 |
-
"## 4. Generate Submission"
|
| 399 |
-
]
|
| 400 |
-
},
|
| 401 |
-
{
|
| 402 |
-
"cell_type": "code",
|
| 403 |
-
"execution_count": null,
|
| 404 |
-
"metadata": {},
|
| 405 |
-
"outputs": [],
|
| 406 |
-
"source": [
|
| 407 |
-
"submission = pd.DataFrame({'Index': test['Index'], 'demand': final_preds})\n",
|
| 408 |
-
"submission.to_csv('submission.csv', index=False)\n",
|
| 409 |
-
"print(f'Saved submission.csv shape: {submission.shape}')\n",
|
| 410 |
-
"submission.head(10)"
|
| 411 |
-
]
|
| 412 |
-
},
|
| 413 |
-
{
|
| 414 |
-
"cell_type": "code",
|
| 415 |
-
"execution_count": null,
|
| 416 |
-
"metadata": {},
|
| 417 |
-
"outputs": [],
|
| 418 |
-
"source": [
|
| 419 |
-
"# Download from Colab\n",
|
| 420 |
-
"# from google.colab import files\n",
|
| 421 |
-
"# files.download('submission.csv')"
|
| 422 |
-
]
|
| 423 |
-
},
|
| 424 |
-
{
|
| 425 |
-
"cell_type": "markdown",
|
| 426 |
-
"metadata": {},
|
| 427 |
-
"source": [
|
| 428 |
-
"## 5. Feature Importance"
|
| 429 |
-
]
|
| 430 |
-
},
|
| 431 |
-
{
|
| 432 |
-
"cell_type": "code",
|
| 433 |
-
"execution_count": null,
|
| 434 |
-
"metadata": {},
|
| 435 |
-
"outputs": [],
|
| 436 |
-
"source": [
|
| 437 |
-
"import matplotlib.pyplot as plt\n",
|
| 438 |
-
"\n",
|
| 439 |
-
"fi = pd.Series(lgbm_final.feature_importances_, index=FEATURES).sort_values(ascending=True)\n",
|
| 440 |
-
"fig, ax = plt.subplots(figsize=(8, 8))\n",
|
| 441 |
-
"fi.plot.barh(ax=ax)\n",
|
| 442 |
-
"ax.set_title('LightGBM Feature Importances')\n",
|
| 443 |
-
"plt.tight_layout()\n",
|
| 444 |
-
"plt.show()"
|
| 445 |
-
]
|
| 446 |
-
}
|
| 447 |
-
]
|
| 448 |
-
}
|
|
|
|
| 1 |
+
version https://git-lfs.github.com/spec/v1
|
| 2 |
+
oid sha256:76de0010cf7e8b8130c2bdb26ef3d56ff10af4691be83f027bbe78de8d6a87d7
|
| 3 |
+
size 15595
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|
|
solve.py
CHANGED
|
@@ -2,6 +2,7 @@ import numpy as np
|
|
| 2 |
import pandas as pd
|
| 3 |
import pygeohash as pgh
|
| 4 |
from lightgbm import LGBMRegressor
|
|
|
|
| 5 |
from sklearn.metrics import r2_score
|
| 6 |
import warnings
|
| 7 |
warnings.filterwarnings('ignore')
|
|
@@ -12,16 +13,14 @@ print("Loading data...")
|
|
| 12 |
train = pd.read_csv(f'{DATA}/train.csv')
|
| 13 |
test = pd.read_csv(f'{DATA}/test.csv')
|
| 14 |
|
|
|
|
| 15 |
def parse_ts(df):
|
| 16 |
df = df.copy()
|
| 17 |
-
df['hour']
|
| 18 |
df['minute'] = df['timestamp'].map(lambda x: int(x.split(':')[1]))
|
| 19 |
-
|
| 20 |
-
mins_in_day = 24 * 60
|
| 21 |
-
t = (df['hour'] * 60 + df['minute']) / mins_in_day * 2 * np.pi
|
| 22 |
df['time_sin'] = np.sin(t)
|
| 23 |
df['time_cos'] = np.cos(t)
|
| 24 |
-
# day of week proxy (cyclical)
|
| 25 |
d = df['day'] / 7 * 2 * np.pi
|
| 26 |
df['day_sin'] = np.sin(d)
|
| 27 |
df['day_cos'] = np.cos(d)
|
|
@@ -29,131 +28,207 @@ def parse_ts(df):
|
|
| 29 |
|
| 30 |
def decode_geo(df):
|
| 31 |
df = df.copy()
|
| 32 |
-
decoded
|
| 33 |
df['lat'] = decoded.map(lambda x: x[0])
|
| 34 |
df['lon'] = decoded.map(lambda x: x[1])
|
| 35 |
-
# geohash prefix for neighbor grouping
|
| 36 |
-
df['geo4'] = df['geohash'].str[:4]
|
| 37 |
df['geo3'] = df['geohash'].str[:3]
|
| 38 |
return df
|
| 39 |
|
| 40 |
def encode_cats(df):
|
| 41 |
df = df.copy()
|
| 42 |
-
|
| 43 |
-
df['RoadType_enc'] = df['RoadType'].map(road_map).fillna(-1)
|
| 44 |
df['LargeVehicles_enc'] = (df['LargeVehicles'] == 'Allowed').astype(float)
|
| 45 |
-
df['Landmarks_enc']
|
| 46 |
-
|
| 47 |
-
df['Weather_enc'] = df['Weather'].map(weather_map).fillna(-1)
|
| 48 |
return df
|
| 49 |
|
| 50 |
-
|
| 51 |
-
|
| 52 |
-
|
| 53 |
-
|
| 54 |
-
|
| 55 |
-
|
| 56 |
-
|
| 57 |
-
|
| 58 |
-
|
| 59 |
-
|
| 60 |
-
|
| 61 |
-
|
| 62 |
-
|
| 63 |
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| 101 |
FEATURES = [
|
| 102 |
-
'lat', 'lon',
|
| 103 |
-
'hour', 'minute', 'day',
|
| 104 |
'time_sin', 'time_cos', 'day_sin', 'day_cos',
|
| 105 |
'RoadType_enc', 'NumberofLanes', 'LargeVehicles_enc', 'Landmarks_enc',
|
| 106 |
'Temperature', 'Weather_enc',
|
| 107 |
-
'
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| 108 |
'geo_mean', 'geo_std', 'geo_median', 'geo_max',
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| 109 |
-
'geo_hour_mean', 'geo_ts_mean', 'geo3_hour_mean',
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| 110 |
]
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| 122 |
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| 123 |
-
PARAMS = dict(
|
| 124 |
-
n_estimators=3000,
|
| 125 |
-
learning_rate=0.02,
|
| 126 |
-
num_leaves=255,
|
| 127 |
-
max_depth=-1,
|
| 128 |
-
min_child_samples=15,
|
| 129 |
-
subsample=0.8,
|
| 130 |
-
subsample_freq=1,
|
| 131 |
-
colsample_bytree=0.8,
|
| 132 |
-
reg_alpha=0.05,
|
| 133 |
-
reg_lambda=0.1,
|
| 134 |
-
random_state=42,
|
| 135 |
-
verbose=-1,
|
| 136 |
-
n_jobs=-1,
|
| 137 |
)
|
| 138 |
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|
| 150 |
|
| 151 |
-
preds = np.clip(model.predict(X_test), 0, None)
|
| 152 |
submission = pd.DataFrame({'Index': test['Index'], 'demand': preds})
|
| 153 |
submission.to_csv('submission.csv', index=False)
|
| 154 |
-
print(f"
|
| 155 |
print(submission.head())
|
| 156 |
|
| 157 |
-
fi = pd.Series(
|
| 158 |
print("\nTop feature importances:")
|
| 159 |
print(fi.head(15))
|
|
|
|
| 2 |
import pandas as pd
|
| 3 |
import pygeohash as pgh
|
| 4 |
from lightgbm import LGBMRegressor
|
| 5 |
+
from xgboost import XGBRegressor
|
| 6 |
from sklearn.metrics import r2_score
|
| 7 |
import warnings
|
| 8 |
warnings.filterwarnings('ignore')
|
|
|
|
| 13 |
train = pd.read_csv(f'{DATA}/train.csv')
|
| 14 |
test = pd.read_csv(f'{DATA}/test.csv')
|
| 15 |
|
| 16 |
+
# ── Parse / encode ────────────────────────────────────────────────────────────
|
| 17 |
def parse_ts(df):
|
| 18 |
df = df.copy()
|
| 19 |
+
df['hour'] = df['timestamp'].map(lambda x: int(x.split(':')[0]))
|
| 20 |
df['minute'] = df['timestamp'].map(lambda x: int(x.split(':')[1]))
|
| 21 |
+
t = (df['hour'] * 60 + df['minute']) / (24 * 60) * 2 * np.pi
|
|
|
|
|
|
|
| 22 |
df['time_sin'] = np.sin(t)
|
| 23 |
df['time_cos'] = np.cos(t)
|
|
|
|
| 24 |
d = df['day'] / 7 * 2 * np.pi
|
| 25 |
df['day_sin'] = np.sin(d)
|
| 26 |
df['day_cos'] = np.cos(d)
|
|
|
|
| 28 |
|
| 29 |
def decode_geo(df):
|
| 30 |
df = df.copy()
|
| 31 |
+
decoded = df['geohash'].map(pgh.decode)
|
| 32 |
df['lat'] = decoded.map(lambda x: x[0])
|
| 33 |
df['lon'] = decoded.map(lambda x: x[1])
|
|
|
|
|
|
|
| 34 |
df['geo3'] = df['geohash'].str[:3]
|
| 35 |
return df
|
| 36 |
|
| 37 |
def encode_cats(df):
|
| 38 |
df = df.copy()
|
| 39 |
+
df['RoadType_enc'] = df['RoadType'].map({'Residential': 0, 'Street': 1, 'Highway': 2}).fillna(-1)
|
|
|
|
| 40 |
df['LargeVehicles_enc'] = (df['LargeVehicles'] == 'Allowed').astype(float)
|
| 41 |
+
df['Landmarks_enc'] = (df['Landmarks'] == 'Yes').astype(float)
|
| 42 |
+
df['Weather_enc'] = df['Weather'].map({'Sunny': 0, 'Rainy': 1, 'Foggy': 2, 'Snowy': 3}).fillna(-1)
|
|
|
|
| 43 |
return df
|
| 44 |
|
| 45 |
+
train = parse_ts(train); train = decode_geo(train); train = encode_cats(train)
|
| 46 |
+
test = parse_ts(test); test = decode_geo(test); test = encode_cats(test)
|
| 47 |
+
|
| 48 |
+
# ── Neighbor cache ────────────────────────────────────────────────────────────
|
| 49 |
+
print("Building neighbor cache...")
|
| 50 |
+
all_geohashes = list(set(train['geohash']) | set(test['geohash']))
|
| 51 |
+
neighbor_cache = {}
|
| 52 |
+
for gh in all_geohashes:
|
| 53 |
+
t = pgh.get_adjacent(gh, 'top'); b = pgh.get_adjacent(gh, 'bottom')
|
| 54 |
+
l = pgh.get_adjacent(gh, 'left'); r = pgh.get_adjacent(gh, 'right')
|
| 55 |
+
tl = pgh.get_adjacent(t, 'left'); tr = pgh.get_adjacent(t, 'right')
|
| 56 |
+
bl = pgh.get_adjacent(b, 'left'); br = pgh.get_adjacent(b, 'right')
|
| 57 |
+
neighbor_cache[gh] = [t, b, l, r, tl, tr, bl, br]
|
| 58 |
+
|
| 59 |
+
def ts_offset(ts, delta_min):
|
| 60 |
+
h, m = int(ts.split(':')[0]), int(ts.split(':')[1])
|
| 61 |
+
total = (h * 60 + m + delta_min) % (24 * 60)
|
| 62 |
+
return f"{total // 60}:{total % 60}"
|
| 63 |
+
|
| 64 |
+
# ── Core feature builder (given a reference day's lookup dict) ───────────────
|
| 65 |
+
def build_features(df, ref_df):
|
| 66 |
+
"""
|
| 67 |
+
df : dataframe to featurize
|
| 68 |
+
ref_df : training subset used to compute all statistics (no leakage)
|
| 69 |
+
"""
|
| 70 |
+
df = df.copy()
|
| 71 |
+
|
| 72 |
+
# Lag lookup from ref_df (day 48 in CV, all train for final)
|
| 73 |
+
lag_lookup = dict(zip(zip(ref_df['geohash'], ref_df['timestamp']), ref_df['demand']))
|
| 74 |
+
|
| 75 |
+
# Rolling lags: T, T-15, T-30, T-45, T-60
|
| 76 |
+
for delta in [0, 15, 30, 45, 60]:
|
| 77 |
+
col = 'lag1d' if delta == 0 else f'lag1d_m{delta}'
|
| 78 |
+
if delta == 0:
|
| 79 |
+
df[col] = [lag_lookup.get((gh, ts), np.nan)
|
| 80 |
+
for gh, ts in zip(df['geohash'], df['timestamp'])]
|
| 81 |
+
else:
|
| 82 |
+
df[col] = [lag_lookup.get((gh, ts_offset(ts, -delta)), np.nan)
|
| 83 |
+
for gh, ts in zip(df['geohash'], df['timestamp'])]
|
| 84 |
+
|
| 85 |
+
# Neighbor mean at same timestamp from ref_df
|
| 86 |
+
df['neighbor_mean'] = [
|
| 87 |
+
np.nanmean([lag_lookup.get((n, ts), np.nan)
|
| 88 |
+
for n in neighbor_cache.get(gh, [])]) or np.nan
|
| 89 |
+
for gh, ts in zip(df['geohash'], df['timestamp'])
|
| 90 |
+
]
|
| 91 |
+
|
| 92 |
+
# Aggregations from ref_df
|
| 93 |
+
geo_stats = (ref_df.groupby('geohash')['demand']
|
| 94 |
+
.agg(['mean','std','median','max']).reset_index()
|
| 95 |
+
.rename(columns={'mean':'geo_mean','std':'geo_std',
|
| 96 |
+
'median':'geo_median','max':'geo_max'}))
|
| 97 |
+
geo_stats['geo_std'] = geo_stats['geo_std'].fillna(0)
|
| 98 |
+
geo_hour = (ref_df.groupby(['geohash','hour'])['demand']
|
| 99 |
+
.mean().reset_index().rename(columns={'demand':'geo_hour_mean'}))
|
| 100 |
+
geo_ts = (ref_df.groupby(['geohash','timestamp'])['demand']
|
| 101 |
+
.mean().reset_index().rename(columns={'demand':'geo_ts_mean'}))
|
| 102 |
+
geo3_h = (ref_df.groupby(['geo3','hour'])['demand']
|
| 103 |
+
.mean().reset_index().rename(columns={'demand':'geo3_hour_mean'}))
|
| 104 |
+
geo3_m = (ref_df.groupby('geo3')['demand']
|
| 105 |
+
.mean().reset_index().rename(columns={'demand':'geo3_mean'}))
|
| 106 |
+
hr_mean = (ref_df.groupby('hour')['demand']
|
| 107 |
+
.mean().reset_index().rename(columns={'demand':'hour_global_mean'}))
|
| 108 |
+
# Day-49 early hours baseline (if available in ref_df)
|
| 109 |
+
day49_early = ref_df[ref_df['day'] == 49] if 'day' in ref_df.columns else ref_df.iloc[0:0]
|
| 110 |
+
if len(day49_early):
|
| 111 |
+
d49_base = (day49_early.groupby('geohash')['demand']
|
| 112 |
+
.mean().reset_index().rename(columns={'demand':'geo_d49_mean'}))
|
| 113 |
+
else:
|
| 114 |
+
d49_base = pd.DataFrame({'geohash': [], 'geo_d49_mean': []})
|
| 115 |
+
|
| 116 |
+
df = df.merge(geo_stats, on='geohash', how='left')
|
| 117 |
+
df = df.merge(geo_hour, on=['geohash','hour'], how='left')
|
| 118 |
+
df = df.merge(geo_ts, on=['geohash','timestamp'], how='left')
|
| 119 |
+
df = df.merge(geo3_h, on=['geo3','hour'], how='left')
|
| 120 |
+
df = df.merge(geo3_m, on='geo3', how='left')
|
| 121 |
+
df = df.merge(hr_mean, on='hour', how='left')
|
| 122 |
+
df = df.merge(d49_base, on='geohash', how='left')
|
| 123 |
+
|
| 124 |
+
# Daily ratio: day49_morning / day48_morning per geohash
|
| 125 |
+
# Signals if today is busier/quieter than yesterday overall
|
| 126 |
+
day48_am = (ref_df[ref_df['day'] == 48][ref_df['hour'] < 4] if len(ref_df[ref_df['day'] == 48]) else ref_df.iloc[0:0])
|
| 127 |
+
day49_am = (day49_early[day49_early['hour'] < 4] if len(day49_early) else pd.DataFrame())
|
| 128 |
+
|
| 129 |
+
if len(day48_am) and len(day49_am):
|
| 130 |
+
d48_am_mean = day48_am.groupby('geohash')['demand'].mean().rename('d48_am')
|
| 131 |
+
d49_am_mean = day49_am.groupby('geohash')['demand'].mean().rename('d49_am')
|
| 132 |
+
ratio_df = pd.concat([d48_am_mean, d49_am_mean], axis=1).reset_index()
|
| 133 |
+
ratio_df['daily_ratio'] = ratio_df['d49_am'] / ratio_df['d48_am'].replace(0, np.nan)
|
| 134 |
+
ratio_df = ratio_df[['geohash', 'daily_ratio']]
|
| 135 |
+
df = df.merge(ratio_df, on='geohash', how='left')
|
| 136 |
+
else:
|
| 137 |
+
df['daily_ratio'] = np.nan
|
| 138 |
+
|
| 139 |
+
# Impute missing lags with fallback chain
|
| 140 |
+
fallback = df['neighbor_mean'].fillna(df['geo_ts_mean']).fillna(df['geo_hour_mean'])
|
| 141 |
+
for col in ['lag1d','lag1d_m15','lag1d_m30','lag1d_m45','lag1d_m60']:
|
| 142 |
+
df[col] = df[col].fillna(fallback)
|
| 143 |
+
|
| 144 |
+
return df
|
| 145 |
|
| 146 |
FEATURES = [
|
| 147 |
+
'lat', 'lon', 'hour', 'minute', 'day',
|
|
|
|
| 148 |
'time_sin', 'time_cos', 'day_sin', 'day_cos',
|
| 149 |
'RoadType_enc', 'NumberofLanes', 'LargeVehicles_enc', 'Landmarks_enc',
|
| 150 |
'Temperature', 'Weather_enc',
|
| 151 |
+
'lag1d', 'lag1d_m15', 'lag1d_m30', 'lag1d_m45', 'lag1d_m60',
|
| 152 |
+
'neighbor_mean',
|
| 153 |
'geo_mean', 'geo_std', 'geo_median', 'geo_max',
|
| 154 |
+
'geo_hour_mean', 'geo_ts_mean', 'geo3_hour_mean', 'geo3_mean',
|
| 155 |
+
'hour_global_mean', 'geo_d49_mean', 'daily_ratio',
|
| 156 |
]
|
| 157 |
|
| 158 |
+
LGBM_PARAMS = dict(
|
| 159 |
+
n_estimators=3000, learning_rate=0.02, num_leaves=255,
|
| 160 |
+
min_child_samples=15, subsample=0.8, subsample_freq=1,
|
| 161 |
+
colsample_bytree=0.8, reg_alpha=0.05, reg_lambda=0.1,
|
| 162 |
+
random_state=42, verbose=-1, n_jobs=-1,
|
| 163 |
+
)
|
| 164 |
+
XGB_PARAMS = dict(
|
| 165 |
+
n_estimators=3000, learning_rate=0.02, max_depth=8,
|
| 166 |
+
subsample=0.8, colsample_bytree=0.8,
|
| 167 |
+
reg_alpha=0.05, reg_lambda=0.1,
|
| 168 |
+
random_state=42, verbosity=0, n_jobs=-1, tree_method='hist',
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 169 |
)
|
| 170 |
|
| 171 |
+
# ── Proper CV: ref = day48 only ───────────────────────────────────────────────
|
| 172 |
+
print("\nBuilding CV features (ref=day48 only)...")
|
| 173 |
+
train48 = train[train['day'] == 48]
|
| 174 |
+
train49 = train[train['day'] == 49]
|
| 175 |
+
|
| 176 |
+
tr_cv = build_features(train48, train48) # train on day48, featurized vs day48
|
| 177 |
+
va_cv = build_features(train49, train48) # val on day49, but stats from day48 only
|
| 178 |
+
|
| 179 |
+
X_tr = tr_cv[FEATURES].fillna(-1); y_tr = train48['demand'].values
|
| 180 |
+
X_va = va_cv[FEATURES].fillna(-1); y_va = train49['demand'].values
|
| 181 |
+
|
| 182 |
+
print(f"CV — train: {X_tr.shape} val: {X_va.shape}")
|
| 183 |
+
|
| 184 |
+
print("\nTraining LGBM CV...")
|
| 185 |
+
lgbm_cv = LGBMRegressor(**LGBM_PARAMS)
|
| 186 |
+
lgbm_cv.fit(X_tr, y_tr)
|
| 187 |
+
lp = lgbm_cv.predict(X_va)
|
| 188 |
+
lgbm_r2 = r2_score(y_va, lp)
|
| 189 |
+
print(f"LGBM CV R2: {lgbm_r2:.4f} score: {max(0, 100*lgbm_r2):.2f}")
|
| 190 |
+
|
| 191 |
+
print("\nTraining XGB CV...")
|
| 192 |
+
xgb_cv = XGBRegressor(**XGB_PARAMS)
|
| 193 |
+
xgb_cv.fit(X_tr, y_tr)
|
| 194 |
+
xp = xgb_cv.predict(X_va)
|
| 195 |
+
xgb_r2 = r2_score(y_va, xp)
|
| 196 |
+
print(f"XGB CV R2: {xgb_r2:.4f} score: {max(0, 100*xgb_r2):.2f}")
|
| 197 |
+
|
| 198 |
+
best_w, best_r2 = 0, -999
|
| 199 |
+
for w in np.arange(0, 1.05, 0.05):
|
| 200 |
+
r2 = r2_score(y_va, w * lp + (1 - w) * xp)
|
| 201 |
+
if r2 > best_r2:
|
| 202 |
+
best_r2, best_w = r2, w
|
| 203 |
+
print(f"\nBest blend {best_w:.2f}*LGBM + {1-best_w:.2f}*XGB: R2={best_r2:.4f} score={max(0, 100*best_r2):.2f}")
|
| 204 |
+
|
| 205 |
+
# ── Final model: ref = ALL train ──────────────────────────────────────────────
|
| 206 |
+
print("\nBuilding final features (ref=all train)...")
|
| 207 |
+
train_full = build_features(train, train)
|
| 208 |
+
test_full = build_features(test, train)
|
| 209 |
+
|
| 210 |
+
X_all = train_full[FEATURES].fillna(-1)
|
| 211 |
+
y_all = train['demand'].values
|
| 212 |
+
X_test = test_full[FEATURES].fillna(-1)
|
| 213 |
+
|
| 214 |
+
print("Training final LGBM...")
|
| 215 |
+
lgbm_f = LGBMRegressor(**LGBM_PARAMS)
|
| 216 |
+
lgbm_f.fit(X_all, y_all)
|
| 217 |
+
|
| 218 |
+
print("Training final XGB...")
|
| 219 |
+
xgb_f = XGBRegressor(**XGB_PARAMS)
|
| 220 |
+
xgb_f.fit(X_all, y_all)
|
| 221 |
+
|
| 222 |
+
preds = np.clip(
|
| 223 |
+
best_w * lgbm_f.predict(X_test) + (1 - best_w) * xgb_f.predict(X_test),
|
| 224 |
+
0, None
|
| 225 |
+
)
|
| 226 |
|
|
|
|
| 227 |
submission = pd.DataFrame({'Index': test['Index'], 'demand': preds})
|
| 228 |
submission.to_csv('submission.csv', index=False)
|
| 229 |
+
print(f"\nSaved submission.csv ({len(submission)} rows)")
|
| 230 |
print(submission.head())
|
| 231 |
|
| 232 |
+
fi = pd.Series(lgbm_f.feature_importances_, index=FEATURES).sort_values(ascending=False)
|
| 233 |
print("\nTop feature importances:")
|
| 234 |
print(fi.head(15))
|
submission.csv
CHANGED
|
The diff for this file is too large to render.
See raw diff
|
|
|
traffic-management-travel-demand-forecast (1).ipynb
CHANGED
|
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| 1 |
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"cell_type": "markdown",
|
| 5 |
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"metadata": {},
|
| 6 |
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"source": [
|
| 7 |
-
"## Introduction\n",
|
| 8 |
-
"This notebook is a submission to **Grab AI For Sea Challenge - Traffic Management**, to forecast travel demand based on historical Grab bookings. \n",
|
| 9 |
-
"Challenge website: https://www.aiforsea.com/traffic-management\n",
|
| 10 |
-
"\n",
|
| 11 |
-
"There are **four parts** in this notebook:\n",
|
| 12 |
-
"* **Data cleaning & preprocessing**\n",
|
| 13 |
-
"* **Model selection: Random Forest vs. XGBoost**\n",
|
| 14 |
-
"* **Define a function to predict demands of T+1, ..., T+5 using known data till T**\n",
|
| 15 |
-
"* **Predict demands of T+1, ..., T+5 using test data.** \n",
|
| 16 |
-
"\n",
|
| 17 |
-
"The test dataset can start from any time period after the timeframe of the training dataset. My model will use features from the test dataset ending at timestamp T and predict T+1 to T+5 for all the geohashes which appeared in the training dataset. \n",
|
| 18 |
-
"\n",
|
| 19 |
-
"Each time interval in this challenge is 15 minutes.\n",
|
| 20 |
-
"\n",
|
| 21 |
-
"**For evaluators**: please uncomment the code in Part 4 and fill in the link of test dataset. The code will produce a CSV file containing the demand forecasts for T+1 to T+5 for all the geohashes from the training set. Please run all codes in this notebook to avoid any errors. "
|
| 22 |
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]
|
| 23 |
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},
|
| 24 |
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{
|
| 25 |
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {
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"_cell_guid": "b1076dfc-b9ad-4769-8c92-a6c4dae69d19",
|
| 29 |
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"_uuid": "8f2839f25d086af736a60e9eeb907d3b93b6e0e5"
|
| 30 |
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},
|
| 31 |
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"outputs": [
|
| 32 |
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{
|
| 33 |
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"name": "stdout",
|
| 34 |
-
"output_type": "stream",
|
| 35 |
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"text": [
|
| 36 |
-
"['training.csv']\n"
|
| 37 |
-
]
|
| 38 |
-
}
|
| 39 |
-
],
|
| 40 |
-
"source": [
|
| 41 |
-
"# This Python 3 environment comes with many helpful analytics libraries installed\n",
|
| 42 |
-
"# It is defined by the kaggle/python docker image: https://github.com/kaggle/docker-python\n",
|
| 43 |
-
"# For example, here's several helpful packages to load in \n",
|
| 44 |
-
"\n",
|
| 45 |
-
"import numpy as np # linear algebra\n",
|
| 46 |
-
"import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)\n",
|
| 47 |
-
"\n",
|
| 48 |
-
"# Input data files are available in the \"../input/\" directory.\n",
|
| 49 |
-
"# For example, running this (by clicking run or pressing Shift+Enter) will list the files in the input directory\n",
|
| 50 |
-
"\n",
|
| 51 |
-
"import os\n",
|
| 52 |
-
"print(os.listdir(\"../input\"))\n",
|
| 53 |
-
"\n",
|
| 54 |
-
"# Any results you write to the current directory are saved as output."
|
| 55 |
-
]
|
| 56 |
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},
|
| 57 |
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{
|
| 58 |
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"cell_type": "markdown",
|
| 59 |
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"metadata": {},
|
| 60 |
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"source": [
|
| 61 |
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"## Part 1 - Data Cleaning & Preprocessing"
|
| 62 |
-
]
|
| 63 |
-
},
|
| 64 |
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{
|
| 65 |
-
"cell_type": "markdown",
|
| 66 |
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"metadata": {},
|
| 67 |
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"source": [
|
| 68 |
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"Take a look at training set:"
|
| 69 |
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]
|
| 70 |
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},
|
| 71 |
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{
|
| 72 |
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {
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"_cell_guid": "79c7e3d0-c299-4dcb-8224-4455121ee9b0",
|
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"_uuid": "d629ff2d2480ee46fbb7e2d37f6b5fab8052498a"
|
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},
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"outputs": [
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{
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"data": {
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"text/html": [
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"<div>\n",
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"<style scoped>\n",
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" .dataframe tbody tr th:only-of-type {\n",
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" vertical-align: middle;\n",
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" }\n",
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"\n",
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" .dataframe tbody tr th {\n",
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" }\n",
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"\n",
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" .dataframe thead th {\n",
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" }\n",
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"</style>\n",
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"<table border=\"1\" class=\"dataframe\">\n",
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" <thead>\n",
|
| 98 |
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" <tr style=\"text-align: right;\">\n",
|
| 99 |
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" <th></th>\n",
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| 100 |
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" <th>geohash6</th>\n",
|
| 101 |
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" <th>day</th>\n",
|
| 102 |
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" <th>timestamp</th>\n",
|
| 103 |
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" <th>demand</th>\n",
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" </tr>\n",
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" </thead>\n",
|
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" <tbody>\n",
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" <tr>\n",
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" <th>0</th>\n",
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" <td>qp03wc</td>\n",
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" <td>18</td>\n",
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" <td>20:0</td>\n",
|
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" <td>0.020072</td>\n",
|
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" </tr>\n",
|
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" <tr>\n",
|
| 115 |
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" <th>1</th>\n",
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" <td>qp03pn</td>\n",
|
| 117 |
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" <td>10</td>\n",
|
| 118 |
-
" <td>14:30</td>\n",
|
| 119 |
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" <td>0.024721</td>\n",
|
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" </tr>\n",
|
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" <tr>\n",
|
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" <th>2</th>\n",
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" <td>9</td>\n",
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" <td>6:15</td>\n",
|
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" <td>0.102821</td>\n",
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" </tr>\n",
|
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" <tr>\n",
|
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" <th>3</th>\n",
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" <td>32</td>\n",
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|
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" </tr>\n",
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" <tr>\n",
|
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" <th>4</th>\n",
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" <td>15</td>\n",
|
| 139 |
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" <td>4:0</td>\n",
|
| 140 |
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" <td>0.074468</td>\n",
|
| 141 |
-
" </tr>\n",
|
| 142 |
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" </tbody>\n",
|
| 143 |
-
"</table>\n",
|
| 144 |
-
"</div>"
|
| 145 |
-
],
|
| 146 |
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"text/plain": [
|
| 147 |
-
" geohash6 day timestamp demand\n",
|
| 148 |
-
"0 qp03wc 18 20:0 0.020072\n",
|
| 149 |
-
"1 qp03pn 10 14:30 0.024721\n",
|
| 150 |
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"2 qp09sw 9 6:15 0.102821\n",
|
| 151 |
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"3 qp0991 32 5:0 0.088755\n",
|
| 152 |
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"4 qp090q 15 4:0 0.074468"
|
| 153 |
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]
|
| 154 |
-
},
|
| 155 |
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"execution_count": 2,
|
| 156 |
-
"metadata": {},
|
| 157 |
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"output_type": "execute_result"
|
| 158 |
-
}
|
| 159 |
-
],
|
| 160 |
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"source": [
|
| 161 |
-
"import matplotlib.pyplot as plt\n",
|
| 162 |
-
"%matplotlib inline\n",
|
| 163 |
-
"import seaborn as sns\n",
|
| 164 |
-
"\n",
|
| 165 |
-
"df_train = pd.read_csv('../input/training.csv')\n",
|
| 166 |
-
"df_train.head()"
|
| 167 |
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]
|
| 168 |
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},
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{
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"cell_type": "markdown",
|
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"metadata": {},
|
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"source": [
|
| 173 |
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"Size of training data:"
|
| 174 |
-
]
|
| 175 |
-
},
|
| 176 |
-
{
|
| 177 |
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"cell_type": "code",
|
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"execution_count": 3,
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"metadata": {},
|
| 180 |
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"outputs": [
|
| 181 |
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{
|
| 182 |
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"data": {
|
| 183 |
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"text/plain": [
|
| 184 |
-
"(4206321, 4)"
|
| 185 |
-
]
|
| 186 |
-
},
|
| 187 |
-
"execution_count": 3,
|
| 188 |
-
"metadata": {},
|
| 189 |
-
"output_type": "execute_result"
|
| 190 |
-
}
|
| 191 |
-
],
|
| 192 |
-
"source": [
|
| 193 |
-
"df_train.shape"
|
| 194 |
-
]
|
| 195 |
-
},
|
| 196 |
-
{
|
| 197 |
-
"cell_type": "markdown",
|
| 198 |
-
"metadata": {},
|
| 199 |
-
"source": [
|
| 200 |
-
"1329 unique locations in the data"
|
| 201 |
-
]
|
| 202 |
-
},
|
| 203 |
-
{
|
| 204 |
-
"cell_type": "code",
|
| 205 |
-
"execution_count": 4,
|
| 206 |
-
"metadata": {},
|
| 207 |
-
"outputs": [
|
| 208 |
-
{
|
| 209 |
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"data": {
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| 210 |
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"text/plain": [
|
| 211 |
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"1329"
|
| 212 |
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|
| 213 |
-
},
|
| 214 |
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"execution_count": 4,
|
| 215 |
-
"metadata": {},
|
| 216 |
-
"output_type": "execute_result"
|
| 217 |
-
}
|
| 218 |
-
],
|
| 219 |
-
"source": [
|
| 220 |
-
"len(df_train.geohash6.unique())"
|
| 221 |
-
]
|
| 222 |
-
},
|
| 223 |
-
{
|
| 224 |
-
"cell_type": "markdown",
|
| 225 |
-
"metadata": {},
|
| 226 |
-
"source": [
|
| 227 |
-
"Convert timestamp into hours and mininutes:"
|
| 228 |
-
]
|
| 229 |
-
},
|
| 230 |
-
{
|
| 231 |
-
"cell_type": "code",
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"execution_count": 5,
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"metadata": {},
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"data": {
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" vertical-align: middle;\n",
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" }\n",
|
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"\n",
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| 254 |
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" <tr style=\"text-align: right;\">\n",
|
| 255 |
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" <th></th>\n",
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| 256 |
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" <th>geohash6</th>\n",
|
| 257 |
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" <th>day</th>\n",
|
| 258 |
-
" <th>timestamp</th>\n",
|
| 259 |
-
" <th>demand</th>\n",
|
| 260 |
-
" <th>hours</th>\n",
|
| 261 |
-
" <th>mins</th>\n",
|
| 262 |
-
" </tr>\n",
|
| 263 |
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" </thead>\n",
|
| 264 |
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" <tbody>\n",
|
| 265 |
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" <tr>\n",
|
| 266 |
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" <th>0</th>\n",
|
| 267 |
-
" <td>qp03wc</td>\n",
|
| 268 |
-
" <td>18</td>\n",
|
| 269 |
-
" <td>20:0</td>\n",
|
| 270 |
-
" <td>0.020072</td>\n",
|
| 271 |
-
" <td>20</td>\n",
|
| 272 |
-
" <td>0</td>\n",
|
| 273 |
-
" </tr>\n",
|
| 274 |
-
" <tr>\n",
|
| 275 |
-
" <th>1</th>\n",
|
| 276 |
-
" <td>qp03pn</td>\n",
|
| 277 |
-
" <td>10</td>\n",
|
| 278 |
-
" <td>14:30</td>\n",
|
| 279 |
-
" <td>0.024721</td>\n",
|
| 280 |
-
" <td>14</td>\n",
|
| 281 |
-
" <td>30</td>\n",
|
| 282 |
-
" </tr>\n",
|
| 283 |
-
" <tr>\n",
|
| 284 |
-
" <th>2</th>\n",
|
| 285 |
-
" <td>qp09sw</td>\n",
|
| 286 |
-
" <td>9</td>\n",
|
| 287 |
-
" <td>6:15</td>\n",
|
| 288 |
-
" <td>0.102821</td>\n",
|
| 289 |
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" <td>6</td>\n",
|
| 290 |
-
" <td>15</td>\n",
|
| 291 |
-
" </tr>\n",
|
| 292 |
-
" <tr>\n",
|
| 293 |
-
" <th>3</th>\n",
|
| 294 |
-
" <td>qp0991</td>\n",
|
| 295 |
-
" <td>32</td>\n",
|
| 296 |
-
" <td>5:0</td>\n",
|
| 297 |
-
" <td>0.088755</td>\n",
|
| 298 |
-
" <td>5</td>\n",
|
| 299 |
-
" <td>0</td>\n",
|
| 300 |
-
" </tr>\n",
|
| 301 |
-
" <tr>\n",
|
| 302 |
-
" <th>4</th>\n",
|
| 303 |
-
" <td>qp090q</td>\n",
|
| 304 |
-
" <td>15</td>\n",
|
| 305 |
-
" <td>4:0</td>\n",
|
| 306 |
-
" <td>0.074468</td>\n",
|
| 307 |
-
" <td>4</td>\n",
|
| 308 |
-
" <td>0</td>\n",
|
| 309 |
-
" </tr>\n",
|
| 310 |
-
" </tbody>\n",
|
| 311 |
-
"</table>\n",
|
| 312 |
-
"</div>"
|
| 313 |
-
],
|
| 314 |
-
"text/plain": [
|
| 315 |
-
" geohash6 day timestamp demand hours mins\n",
|
| 316 |
-
"0 qp03wc 18 20:0 0.020072 20 0\n",
|
| 317 |
-
"1 qp03pn 10 14:30 0.024721 14 30\n",
|
| 318 |
-
"2 qp09sw 9 6:15 0.102821 6 15\n",
|
| 319 |
-
"3 qp0991 32 5:0 0.088755 5 0\n",
|
| 320 |
-
"4 qp090q 15 4:0 0.074468 4 0"
|
| 321 |
-
]
|
| 322 |
-
},
|
| 323 |
-
"execution_count": 5,
|
| 324 |
-
"metadata": {},
|
| 325 |
-
"output_type": "execute_result"
|
| 326 |
-
}
|
| 327 |
-
],
|
| 328 |
-
"source": [
|
| 329 |
-
"df_train['hours'] = df_train['timestamp'].map(lambda x: int(x.split(':')[0]))\n",
|
| 330 |
-
"df_train['mins'] = df_train['timestamp'].map(lambda x: int(x.split(':')[1]))\n",
|
| 331 |
-
"df_train.head()"
|
| 332 |
-
]
|
| 333 |
-
},
|
| 334 |
-
{
|
| 335 |
-
"cell_type": "markdown",
|
| 336 |
-
"metadata": {},
|
| 337 |
-
"source": [
|
| 338 |
-
"Convert day, hours, mins into a single feature **\"time\"**:"
|
| 339 |
-
]
|
| 340 |
-
},
|
| 341 |
-
{
|
| 342 |
-
"cell_type": "code",
|
| 343 |
-
"execution_count": 6,
|
| 344 |
-
"metadata": {},
|
| 345 |
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"outputs": [
|
| 346 |
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{
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"data": {
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"text/html": [
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"<div>\n",
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| 361 |
-
" }\n",
|
| 362 |
-
"</style>\n",
|
| 363 |
-
"<table border=\"1\" class=\"dataframe\">\n",
|
| 364 |
-
" <thead>\n",
|
| 365 |
-
" <tr style=\"text-align: right;\">\n",
|
| 366 |
-
" <th></th>\n",
|
| 367 |
-
" <th>geohash6</th>\n",
|
| 368 |
-
" <th>day</th>\n",
|
| 369 |
-
" <th>timestamp</th>\n",
|
| 370 |
-
" <th>demand</th>\n",
|
| 371 |
-
" <th>hours</th>\n",
|
| 372 |
-
" <th>mins</th>\n",
|
| 373 |
-
" <th>time</th>\n",
|
| 374 |
-
" </tr>\n",
|
| 375 |
-
" </thead>\n",
|
| 376 |
-
" <tbody>\n",
|
| 377 |
-
" <tr>\n",
|
| 378 |
-
" <th>0</th>\n",
|
| 379 |
-
" <td>qp03wc</td>\n",
|
| 380 |
-
" <td>18</td>\n",
|
| 381 |
-
" <td>20:0</td>\n",
|
| 382 |
-
" <td>0.020072</td>\n",
|
| 383 |
-
" <td>20</td>\n",
|
| 384 |
-
" <td>0</td>\n",
|
| 385 |
-
" <td>25680</td>\n",
|
| 386 |
-
" </tr>\n",
|
| 387 |
-
" <tr>\n",
|
| 388 |
-
" <th>1</th>\n",
|
| 389 |
-
" <td>qp03pn</td>\n",
|
| 390 |
-
" <td>10</td>\n",
|
| 391 |
-
" <td>14:30</td>\n",
|
| 392 |
-
" <td>0.024721</td>\n",
|
| 393 |
-
" <td>14</td>\n",
|
| 394 |
-
" <td>30</td>\n",
|
| 395 |
-
" <td>13830</td>\n",
|
| 396 |
-
" </tr>\n",
|
| 397 |
-
" <tr>\n",
|
| 398 |
-
" <th>2</th>\n",
|
| 399 |
-
" <td>qp09sw</td>\n",
|
| 400 |
-
" <td>9</td>\n",
|
| 401 |
-
" <td>6:15</td>\n",
|
| 402 |
-
" <td>0.102821</td>\n",
|
| 403 |
-
" <td>6</td>\n",
|
| 404 |
-
" <td>15</td>\n",
|
| 405 |
-
" <td>11895</td>\n",
|
| 406 |
-
" </tr>\n",
|
| 407 |
-
" <tr>\n",
|
| 408 |
-
" <th>3</th>\n",
|
| 409 |
-
" <td>qp0991</td>\n",
|
| 410 |
-
" <td>32</td>\n",
|
| 411 |
-
" <td>5:0</td>\n",
|
| 412 |
-
" <td>0.088755</td>\n",
|
| 413 |
-
" <td>5</td>\n",
|
| 414 |
-
" <td>0</td>\n",
|
| 415 |
-
" <td>44940</td>\n",
|
| 416 |
-
" </tr>\n",
|
| 417 |
-
" <tr>\n",
|
| 418 |
-
" <th>4</th>\n",
|
| 419 |
-
" <td>qp090q</td>\n",
|
| 420 |
-
" <td>15</td>\n",
|
| 421 |
-
" <td>4:0</td>\n",
|
| 422 |
-
" <td>0.074468</td>\n",
|
| 423 |
-
" <td>4</td>\n",
|
| 424 |
-
" <td>0</td>\n",
|
| 425 |
-
" <td>20400</td>\n",
|
| 426 |
-
" </tr>\n",
|
| 427 |
-
" </tbody>\n",
|
| 428 |
-
"</table>\n",
|
| 429 |
-
"</div>"
|
| 430 |
-
],
|
| 431 |
-
"text/plain": [
|
| 432 |
-
" geohash6 day timestamp demand hours mins time\n",
|
| 433 |
-
"0 qp03wc 18 20:0 0.020072 20 0 25680\n",
|
| 434 |
-
"1 qp03pn 10 14:30 0.024721 14 30 13830\n",
|
| 435 |
-
"2 qp09sw 9 6:15 0.102821 6 15 11895\n",
|
| 436 |
-
"3 qp0991 32 5:0 0.088755 5 0 44940\n",
|
| 437 |
-
"4 qp090q 15 4:0 0.074468 4 0 20400"
|
| 438 |
-
]
|
| 439 |
-
},
|
| 440 |
-
"execution_count": 6,
|
| 441 |
-
"metadata": {},
|
| 442 |
-
"output_type": "execute_result"
|
| 443 |
-
}
|
| 444 |
-
],
|
| 445 |
-
"source": [
|
| 446 |
-
"df_train['time'] = 24*60*(df_train['day']-1) + 60*df_train['hours'] + df_train['mins']\n",
|
| 447 |
-
"df_train.head()"
|
| 448 |
-
]
|
| 449 |
-
},
|
| 450 |
-
{
|
| 451 |
-
"cell_type": "markdown",
|
| 452 |
-
"metadata": {},
|
| 453 |
-
"source": [
|
| 454 |
-
"Convert geohash6 into latitude and longtitude:"
|
| 455 |
-
]
|
| 456 |
-
},
|
| 457 |
-
{
|
| 458 |
-
"cell_type": "code",
|
| 459 |
-
"execution_count": 7,
|
| 460 |
-
"metadata": {},
|
| 461 |
-
"outputs": [
|
| 462 |
-
{
|
| 463 |
-
"data": {
|
| 464 |
-
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|
| 465 |
-
"<div>\n",
|
| 466 |
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| 467 |
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|
| 468 |
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|
| 469 |
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| 470 |
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| 471 |
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| 472 |
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|
| 473 |
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| 474 |
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| 475 |
-
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|
| 476 |
-
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|
| 477 |
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|
| 478 |
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|
| 479 |
-
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|
| 480 |
-
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|
| 481 |
-
" <tr style=\"text-align: right;\">\n",
|
| 482 |
-
" <th></th>\n",
|
| 483 |
-
" <th>geohash6</th>\n",
|
| 484 |
-
" <th>day</th>\n",
|
| 485 |
-
" <th>timestamp</th>\n",
|
| 486 |
-
" <th>demand</th>\n",
|
| 487 |
-
" <th>hours</th>\n",
|
| 488 |
-
" <th>mins</th>\n",
|
| 489 |
-
" <th>time</th>\n",
|
| 490 |
-
" <th>Latitude</th>\n",
|
| 491 |
-
" <th>Longitude</th>\n",
|
| 492 |
-
" </tr>\n",
|
| 493 |
-
" </thead>\n",
|
| 494 |
-
" <tbody>\n",
|
| 495 |
-
" <tr>\n",
|
| 496 |
-
" <th>0</th>\n",
|
| 497 |
-
" <td>qp02zd</td>\n",
|
| 498 |
-
" <td>1</td>\n",
|
| 499 |
-
" <td>0:0</td>\n",
|
| 500 |
-
" <td>0.022396</td>\n",
|
| 501 |
-
" <td>0</td>\n",
|
| 502 |
-
" <td>0</td>\n",
|
| 503 |
-
" <td>0</td>\n",
|
| 504 |
-
" <td>-5.479431</td>\n",
|
| 505 |
-
" <td>90.686646</td>\n",
|
| 506 |
-
" </tr>\n",
|
| 507 |
-
" <tr>\n",
|
| 508 |
-
" <th>1</th>\n",
|
| 509 |
-
" <td>qp02zu</td>\n",
|
| 510 |
-
" <td>1</td>\n",
|
| 511 |
-
" <td>0:0</td>\n",
|
| 512 |
-
" <td>0.001831</td>\n",
|
| 513 |
-
" <td>0</td>\n",
|
| 514 |
-
" <td>0</td>\n",
|
| 515 |
-
" <td>0</td>\n",
|
| 516 |
-
" <td>-5.468445</td>\n",
|
| 517 |
-
" <td>90.697632</td>\n",
|
| 518 |
-
" </tr>\n",
|
| 519 |
-
" <tr>\n",
|
| 520 |
-
" <th>2</th>\n",
|
| 521 |
-
" <td>qp02zt</td>\n",
|
| 522 |
-
" <td>1</td>\n",
|
| 523 |
-
" <td>0:0</td>\n",
|
| 524 |
-
" <td>0.001112</td>\n",
|
| 525 |
-
" <td>0</td>\n",
|
| 526 |
-
" <td>0</td>\n",
|
| 527 |
-
" <td>0</td>\n",
|
| 528 |
-
" <td>-5.462952</td>\n",
|
| 529 |
-
" <td>90.686646</td>\n",
|
| 530 |
-
" </tr>\n",
|
| 531 |
-
" <tr>\n",
|
| 532 |
-
" <th>3</th>\n",
|
| 533 |
-
" <td>qp02zv</td>\n",
|
| 534 |
-
" <td>1</td>\n",
|
| 535 |
-
" <td>0:0</td>\n",
|
| 536 |
-
" <td>0.006886</td>\n",
|
| 537 |
-
" <td>0</td>\n",
|
| 538 |
-
" <td>0</td>\n",
|
| 539 |
-
" <td>0</td>\n",
|
| 540 |
-
" <td>-5.462952</td>\n",
|
| 541 |
-
" <td>90.697632</td>\n",
|
| 542 |
-
" </tr>\n",
|
| 543 |
-
" <tr>\n",
|
| 544 |
-
" <th>4</th>\n",
|
| 545 |
-
" <td>qp08bj</td>\n",
|
| 546 |
-
" <td>1</td>\n",
|
| 547 |
-
" <td>0:0</td>\n",
|
| 548 |
-
" <td>0.066376</td>\n",
|
| 549 |
-
" <td>0</td>\n",
|
| 550 |
-
" <td>0</td>\n",
|
| 551 |
-
" <td>0</td>\n",
|
| 552 |
-
" <td>-5.462952</td>\n",
|
| 553 |
-
" <td>90.708618</td>\n",
|
| 554 |
-
" </tr>\n",
|
| 555 |
-
" </tbody>\n",
|
| 556 |
-
"</table>\n",
|
| 557 |
-
"</div>"
|
| 558 |
-
],
|
| 559 |
-
"text/plain": [
|
| 560 |
-
" geohash6 day timestamp demand ... mins time Latitude Longitude\n",
|
| 561 |
-
"0 qp02zd 1 0:0 0.022396 ... 0 0 -5.479431 90.686646\n",
|
| 562 |
-
"1 qp02zu 1 0:0 0.001831 ... 0 0 -5.468445 90.697632\n",
|
| 563 |
-
"2 qp02zt 1 0:0 0.001112 ... 0 0 -5.462952 90.686646\n",
|
| 564 |
-
"3 qp02zv 1 0:0 0.006886 ... 0 0 -5.462952 90.697632\n",
|
| 565 |
-
"4 qp08bj 1 0:0 0.066376 ... 0 0 -5.462952 90.708618\n",
|
| 566 |
-
"\n",
|
| 567 |
-
"[5 rows x 9 columns]"
|
| 568 |
-
]
|
| 569 |
-
},
|
| 570 |
-
"execution_count": 7,
|
| 571 |
-
"metadata": {},
|
| 572 |
-
"output_type": "execute_result"
|
| 573 |
-
}
|
| 574 |
-
],
|
| 575 |
-
"source": [
|
| 576 |
-
"import Geohash\n",
|
| 577 |
-
"df_train['Latitude'] = df_train.geohash6.map(lambda x: float(Geohash.decode_exactly(x)[0]))\n",
|
| 578 |
-
"df_train['Longitude'] = df_train.geohash6.map(lambda x: float(Geohash.decode_exactly(x)[1]))\n",
|
| 579 |
-
"df_train = df_train.sort_values(by=['time','Latitude','Longitude'], ascending=True)\n",
|
| 580 |
-
"df_train = df_train.reset_index().drop('index',axis=1)\n",
|
| 581 |
-
"df_train.head()"
|
| 582 |
-
]
|
| 583 |
-
},
|
| 584 |
-
{
|
| 585 |
-
"cell_type": "markdown",
|
| 586 |
-
"metadata": {},
|
| 587 |
-
"source": [
|
| 588 |
-
"Not all locations appear in all time slots"
|
| 589 |
-
]
|
| 590 |
-
},
|
| 591 |
-
{
|
| 592 |
-
"cell_type": "code",
|
| 593 |
-
"execution_count": 8,
|
| 594 |
-
"metadata": {},
|
| 595 |
-
"outputs": [
|
| 596 |
-
{
|
| 597 |
-
"data": {
|
| 598 |
-
"text/html": [
|
| 599 |
-
"<div>\n",
|
| 600 |
-
"<style scoped>\n",
|
| 601 |
-
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|
| 602 |
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|
| 603 |
-
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|
| 604 |
-
"\n",
|
| 605 |
-
" .dataframe tbody tr th {\n",
|
| 606 |
-
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|
| 607 |
-
" }\n",
|
| 608 |
-
"\n",
|
| 609 |
-
" .dataframe thead th {\n",
|
| 610 |
-
" text-align: right;\n",
|
| 611 |
-
" }\n",
|
| 612 |
-
"</style>\n",
|
| 613 |
-
"<table border=\"1\" class=\"dataframe\">\n",
|
| 614 |
-
" <thead>\n",
|
| 615 |
-
" <tr style=\"text-align: right;\">\n",
|
| 616 |
-
" <th></th>\n",
|
| 617 |
-
" <th>demand</th>\n",
|
| 618 |
-
" </tr>\n",
|
| 619 |
-
" <tr>\n",
|
| 620 |
-
" <th>geohash6</th>\n",
|
| 621 |
-
" <th></th>\n",
|
| 622 |
-
" </tr>\n",
|
| 623 |
-
" </thead>\n",
|
| 624 |
-
" <tbody>\n",
|
| 625 |
-
" <tr>\n",
|
| 626 |
-
" <th>qp02yc</th>\n",
|
| 627 |
-
" <td>577</td>\n",
|
| 628 |
-
" </tr>\n",
|
| 629 |
-
" <tr>\n",
|
| 630 |
-
" <th>qp02yf</th>\n",
|
| 631 |
-
" <td>89</td>\n",
|
| 632 |
-
" </tr>\n",
|
| 633 |
-
" <tr>\n",
|
| 634 |
-
" <th>qp02yu</th>\n",
|
| 635 |
-
" <td>2</td>\n",
|
| 636 |
-
" </tr>\n",
|
| 637 |
-
" <tr>\n",
|
| 638 |
-
" <th>qp02yv</th>\n",
|
| 639 |
-
" <td>7</td>\n",
|
| 640 |
-
" </tr>\n",
|
| 641 |
-
" <tr>\n",
|
| 642 |
-
" <th>qp02yy</th>\n",
|
| 643 |
-
" <td>106</td>\n",
|
| 644 |
-
" </tr>\n",
|
| 645 |
-
" <tr>\n",
|
| 646 |
-
" <th>qp02yz</th>\n",
|
| 647 |
-
" <td>879</td>\n",
|
| 648 |
-
" </tr>\n",
|
| 649 |
-
" <tr>\n",
|
| 650 |
-
" <th>qp02z1</th>\n",
|
| 651 |
-
" <td>1153</td>\n",
|
| 652 |
-
" </tr>\n",
|
| 653 |
-
" <tr>\n",
|
| 654 |
-
" <th>qp02z3</th>\n",
|
| 655 |
-
" <td>567</td>\n",
|
| 656 |
-
" </tr>\n",
|
| 657 |
-
" <tr>\n",
|
| 658 |
-
" <th>qp02z4</th>\n",
|
| 659 |
-
" <td>448</td>\n",
|
| 660 |
-
" </tr>\n",
|
| 661 |
-
" <tr>\n",
|
| 662 |
-
" <th>qp02z5</th>\n",
|
| 663 |
-
" <td>1491</td>\n",
|
| 664 |
-
" </tr>\n",
|
| 665 |
-
" </tbody>\n",
|
| 666 |
-
"</table>\n",
|
| 667 |
-
"</div>"
|
| 668 |
-
],
|
| 669 |
-
"text/plain": [
|
| 670 |
-
" demand\n",
|
| 671 |
-
"geohash6 \n",
|
| 672 |
-
"qp02yc 577\n",
|
| 673 |
-
"qp02yf 89\n",
|
| 674 |
-
"qp02yu 2\n",
|
| 675 |
-
"qp02yv 7\n",
|
| 676 |
-
"qp02yy 106\n",
|
| 677 |
-
"qp02yz 879\n",
|
| 678 |
-
"qp02z1 1153\n",
|
| 679 |
-
"qp02z3 567\n",
|
| 680 |
-
"qp02z4 448\n",
|
| 681 |
-
"qp02z5 1491"
|
| 682 |
-
]
|
| 683 |
-
},
|
| 684 |
-
"execution_count": 8,
|
| 685 |
-
"metadata": {},
|
| 686 |
-
"output_type": "execute_result"
|
| 687 |
-
}
|
| 688 |
-
],
|
| 689 |
-
"source": [
|
| 690 |
-
"df_train[['geohash6','demand']].groupby('geohash6').count().head(10)"
|
| 691 |
-
]
|
| 692 |
-
},
|
| 693 |
-
{
|
| 694 |
-
"cell_type": "markdown",
|
| 695 |
-
"metadata": {},
|
| 696 |
-
"source": [
|
| 697 |
-
"As the training set is a huge dataset with more than 4 million data, I will only use the last 14 days' data, out of which the last five timestamps are used for testing purpose and the rest is for training purpose."
|
| 698 |
-
]
|
| 699 |
-
},
|
| 700 |
-
{
|
| 701 |
-
"cell_type": "code",
|
| 702 |
-
"execution_count": 9,
|
| 703 |
-
"metadata": {},
|
| 704 |
-
"outputs": [],
|
| 705 |
-
"source": [
|
| 706 |
-
"max_day = df_train.day.max()\n",
|
| 707 |
-
"max_time = df_train.time.max()\n",
|
| 708 |
-
"train_start = df_train[df_train.day==61-13].index[0]\n",
|
| 709 |
-
"test_start = df_train[df_train.time==max_time-15*4].index[0]\n",
|
| 710 |
-
"\n",
|
| 711 |
-
"Xtrain = df_train[['time', 'Latitude','Longitude']].iloc[train_start:test_start,:]\n",
|
| 712 |
-
"Xtest = df_train[['time', 'Latitude','Longitude']].iloc[test_start:,:]\n",
|
| 713 |
-
"\n",
|
| 714 |
-
"ytrain = df_train.demand.iloc[train_start:test_start]\n",
|
| 715 |
-
"ytest = df_train.demand.iloc[test_start:]"
|
| 716 |
-
]
|
| 717 |
-
},
|
| 718 |
-
{
|
| 719 |
-
"cell_type": "code",
|
| 720 |
-
"execution_count": 10,
|
| 721 |
-
"metadata": {},
|
| 722 |
-
"outputs": [
|
| 723 |
-
{
|
| 724 |
-
"data": {
|
| 725 |
-
"text/plain": [
|
| 726 |
-
"((990189, 3), (2640, 3), (990189,), (2640,))"
|
| 727 |
-
]
|
| 728 |
-
},
|
| 729 |
-
"execution_count": 10,
|
| 730 |
-
"metadata": {},
|
| 731 |
-
"output_type": "execute_result"
|
| 732 |
-
}
|
| 733 |
-
],
|
| 734 |
-
"source": [
|
| 735 |
-
"Xtrain.shape, Xtest.shape, ytrain.shape, ytest.shape"
|
| 736 |
-
]
|
| 737 |
-
},
|
| 738 |
-
{
|
| 739 |
-
"cell_type": "markdown",
|
| 740 |
-
"metadata": {},
|
| 741 |
-
"source": [
|
| 742 |
-
"## Part 2 - Model Selection"
|
| 743 |
-
]
|
| 744 |
-
},
|
| 745 |
-
{
|
| 746 |
-
"cell_type": "markdown",
|
| 747 |
-
"metadata": {},
|
| 748 |
-
"source": [
|
| 749 |
-
"### Part 2.1 - RandomForestRegressor"
|
| 750 |
-
]
|
| 751 |
-
},
|
| 752 |
-
{
|
| 753 |
-
"cell_type": "code",
|
| 754 |
-
"execution_count": 11,
|
| 755 |
-
"metadata": {},
|
| 756 |
-
"outputs": [
|
| 757 |
-
{
|
| 758 |
-
"name": "stdout",
|
| 759 |
-
"output_type": "stream",
|
| 760 |
-
"text": [
|
| 761 |
-
"RMSE: 0.03347819383369924\n"
|
| 762 |
-
]
|
| 763 |
-
}
|
| 764 |
-
],
|
| 765 |
-
"source": [
|
| 766 |
-
"from sklearn.ensemble import RandomForestRegressor\n",
|
| 767 |
-
"from sklearn.metrics import mean_squared_error\n",
|
| 768 |
-
"\n",
|
| 769 |
-
"model = RandomForestRegressor(n_estimators=30, max_depth=40)\n",
|
| 770 |
-
"model.fit(Xtrain, ytrain)\n",
|
| 771 |
-
"ytest_pred = model.predict(Xtest)\n",
|
| 772 |
-
"rmse = np.sqrt(mean_squared_error(ytest, ytest_pred))\n",
|
| 773 |
-
"print('RMSE:',rmse)"
|
| 774 |
-
]
|
| 775 |
-
},
|
| 776 |
-
{
|
| 777 |
-
"cell_type": "markdown",
|
| 778 |
-
"metadata": {},
|
| 779 |
-
"source": [
|
| 780 |
-
"### Part 2.2 - XGBRegressor"
|
| 781 |
-
]
|
| 782 |
-
},
|
| 783 |
-
{
|
| 784 |
-
"cell_type": "code",
|
| 785 |
-
"execution_count": 12,
|
| 786 |
-
"metadata": {},
|
| 787 |
-
"outputs": [
|
| 788 |
-
{
|
| 789 |
-
"name": "stderr",
|
| 790 |
-
"output_type": "stream",
|
| 791 |
-
"text": [
|
| 792 |
-
"/opt/conda/lib/python3.6/site-packages/xgboost/core.py:587: FutureWarning: Series.base is deprecated and will be removed in a future version\n",
|
| 793 |
-
" if getattr(data, 'base', None) is not None and \\\n",
|
| 794 |
-
"/opt/conda/lib/python3.6/site-packages/xgboost/core.py:588: FutureWarning: Series.base is deprecated and will be removed in a future version\n",
|
| 795 |
-
" data.base is not None and isinstance(data, np.ndarray) \\\n"
|
| 796 |
-
]
|
| 797 |
-
},
|
| 798 |
-
{
|
| 799 |
-
"name": "stdout",
|
| 800 |
-
"output_type": "stream",
|
| 801 |
-
"text": [
|
| 802 |
-
"RMSE: 0.032064894772248616\n"
|
| 803 |
-
]
|
| 804 |
-
}
|
| 805 |
-
],
|
| 806 |
-
"source": [
|
| 807 |
-
"from xgboost import XGBRegressor\n",
|
| 808 |
-
"\n",
|
| 809 |
-
"model = XGBRegressor(n_estimators=500, learning_rate=0.05, max_depth=35)\n",
|
| 810 |
-
"model.fit(Xtrain, ytrain)\n",
|
| 811 |
-
"ytest_pred = model.predict(Xtest)\n",
|
| 812 |
-
"rmse = np.sqrt(mean_squared_error(ytest, ytest_pred))\n",
|
| 813 |
-
"print('RMSE:',rmse)"
|
| 814 |
-
]
|
| 815 |
-
},
|
| 816 |
-
{
|
| 817 |
-
"cell_type": "markdown",
|
| 818 |
-
"metadata": {},
|
| 819 |
-
"source": [
|
| 820 |
-
"#### From above output, XGBRegressor produces a smaller RMSE than RandomForestRegressor. Hence XGBRegressor will be used. \n",
|
| 821 |
-
"#### All the hyperparameters above have been refined.[](http://)"
|
| 822 |
-
]
|
| 823 |
-
},
|
| 824 |
-
{
|
| 825 |
-
"cell_type": "markdown",
|
| 826 |
-
"metadata": {},
|
| 827 |
-
"source": [
|
| 828 |
-
"Define a function to convert time into day, hour, minute and timestamp:"
|
| 829 |
-
]
|
| 830 |
-
},
|
| 831 |
-
{
|
| 832 |
-
"cell_type": "code",
|
| 833 |
-
"execution_count": 13,
|
| 834 |
-
"metadata": {},
|
| 835 |
-
"outputs": [],
|
| 836 |
-
"source": [
|
| 837 |
-
"def convert_time(time):\n",
|
| 838 |
-
" day = int(time/(24*60)) + 1\n",
|
| 839 |
-
" hour = int((time-(day-1)*24*60)/60)\n",
|
| 840 |
-
" minute = time-(day-1)*24*60-hour*60\n",
|
| 841 |
-
" timestamp = ':'.join((str(hour),str(minute)))\n",
|
| 842 |
-
" return (day, hour, minute, timestamp)"
|
| 843 |
-
]
|
| 844 |
-
},
|
| 845 |
-
{
|
| 846 |
-
"cell_type": "markdown",
|
| 847 |
-
"metadata": {},
|
| 848 |
-
"source": [
|
| 849 |
-
"## Part 3 - Define a function to predict demands of T+1, ..., T+5 using known data till T "
|
| 850 |
-
]
|
| 851 |
-
},
|
| 852 |
-
{
|
| 853 |
-
"cell_type": "code",
|
| 854 |
-
"execution_count": 14,
|
| 855 |
-
"metadata": {},
|
| 856 |
-
"outputs": [],
|
| 857 |
-
"source": [
|
| 858 |
-
"def predict5ts(link, n_estimators=500, learning_rate=0.05, max_depth=35):\n",
|
| 859 |
-
" df = pd.read_csv(link)\n",
|
| 860 |
-
" df['hours'] = df['timestamp'].map(lambda x: int(x.split(':')[0]))\n",
|
| 861 |
-
" df['mins'] = df['timestamp'].map(lambda x: int(x.split(':')[1]))\n",
|
| 862 |
-
" df['time'] = 24*60*(df['day']-1) + 60*df['hours'] + df['mins']\n",
|
| 863 |
-
" \n",
|
| 864 |
-
" import Geohash\n",
|
| 865 |
-
" df['Latitude'] = df.geohash6.map(lambda x: float(Geohash.decode_exactly(x)[0]))\n",
|
| 866 |
-
" df['Longitude'] = df.geohash6.map(lambda x: float(Geohash.decode_exactly(x)[1]))\n",
|
| 867 |
-
"\n",
|
| 868 |
-
" df = df.sort_values(by=['time','Latitude','Longitude'], ascending=True)\n",
|
| 869 |
-
" df = df.reset_index().drop('index',axis=1)\n",
|
| 870 |
-
" \n",
|
| 871 |
-
" X = df[['time', 'Latitude','Longitude']]\n",
|
| 872 |
-
" y = df.demand\n",
|
| 873 |
-
" \n",
|
| 874 |
-
" from xgboost import XGBRegressor\n",
|
| 875 |
-
" model = XGBRegressor(n_estimators=n_estimators, learning_rate=learning_rate, max_depth=max_depth)\n",
|
| 876 |
-
" model.fit(X, y)\n",
|
| 877 |
-
" \n",
|
| 878 |
-
" T = df.time.max()\n",
|
| 879 |
-
" T1 = T+15\n",
|
| 880 |
-
" T2 = T+15*2\n",
|
| 881 |
-
" T3 = T+15*3\n",
|
| 882 |
-
" T4 = T+15*4\n",
|
| 883 |
-
" T5 = T+15*5\n",
|
| 884 |
-
" \n",
|
| 885 |
-
" geohashes = df_train.geohash6.unique()\n",
|
| 886 |
-
" geohashes2 = []\n",
|
| 887 |
-
" latitudes = []\n",
|
| 888 |
-
" longitudes = []\n",
|
| 889 |
-
" times = []\n",
|
| 890 |
-
" days = []\n",
|
| 891 |
-
" timestamps = []\n",
|
| 892 |
-
"\n",
|
| 893 |
-
" for t in (T1,T2,T3,T4,T5):\n",
|
| 894 |
-
" for gh in geohashes:\n",
|
| 895 |
-
" geohashes2.append(gh)\n",
|
| 896 |
-
" latitudes.append(float(Geohash.decode_exactly(gh)[0]))\n",
|
| 897 |
-
" longitudes.append(float(Geohash.decode_exactly(gh)[1]))\n",
|
| 898 |
-
" times.append(t)\n",
|
| 899 |
-
" days.append(convert_time(t)[0])\n",
|
| 900 |
-
" timestamps.append(convert_time(t)[-1])\n",
|
| 901 |
-
"\n",
|
| 902 |
-
" df_pred = pd.DataFrame({'geohash6': geohashes2, 'day': days, 'timestamp': timestamps,\n",
|
| 903 |
-
" 'time': times, 'Latitude': latitudes, 'Longitude': longitudes})\n",
|
| 904 |
-
" Xtest = df_pred[['time', 'Latitude','Longitude']]\n",
|
| 905 |
-
" ypred = model.predict(Xtest)\n",
|
| 906 |
-
"\n",
|
| 907 |
-
" df_pred['demand'] = ypred\n",
|
| 908 |
-
" output = df_pred[['geohash6', 'day', 'timestamp', 'demand']]\n",
|
| 909 |
-
" output.to_csv('output.csv', index=False)"
|
| 910 |
-
]
|
| 911 |
-
},
|
| 912 |
-
{
|
| 913 |
-
"cell_type": "markdown",
|
| 914 |
-
"metadata": {},
|
| 915 |
-
"source": [
|
| 916 |
-
"Check if the above function works by testing a small portion of data from the training set."
|
| 917 |
-
]
|
| 918 |
-
},
|
| 919 |
-
{
|
| 920 |
-
"cell_type": "code",
|
| 921 |
-
"execution_count": 15,
|
| 922 |
-
"metadata": {},
|
| 923 |
-
"outputs": [
|
| 924 |
-
{
|
| 925 |
-
"name": "stderr",
|
| 926 |
-
"output_type": "stream",
|
| 927 |
-
"text": [
|
| 928 |
-
"/opt/conda/lib/python3.6/site-packages/xgboost/core.py:587: FutureWarning: Series.base is deprecated and will be removed in a future version\n",
|
| 929 |
-
" if getattr(data, 'base', None) is not None and \\\n",
|
| 930 |
-
"/opt/conda/lib/python3.6/site-packages/xgboost/core.py:588: FutureWarning: Series.base is deprecated and will be removed in a future version\n",
|
| 931 |
-
" data.base is not None and isinstance(data, np.ndarray) \\\n"
|
| 932 |
-
]
|
| 933 |
-
},
|
| 934 |
-
{
|
| 935 |
-
"name": "stdout",
|
| 936 |
-
"output_type": "stream",
|
| 937 |
-
"text": [
|
| 938 |
-
"(6645, 4)\n"
|
| 939 |
-
]
|
| 940 |
-
},
|
| 941 |
-
{
|
| 942 |
-
"data": {
|
| 943 |
-
"text/html": [
|
| 944 |
-
"<div>\n",
|
| 945 |
-
"<style scoped>\n",
|
| 946 |
-
" .dataframe tbody tr th:only-of-type {\n",
|
| 947 |
-
" vertical-align: middle;\n",
|
| 948 |
-
" }\n",
|
| 949 |
-
"\n",
|
| 950 |
-
" .dataframe tbody tr th {\n",
|
| 951 |
-
" vertical-align: top;\n",
|
| 952 |
-
" }\n",
|
| 953 |
-
"\n",
|
| 954 |
-
" .dataframe thead th {\n",
|
| 955 |
-
" text-align: right;\n",
|
| 956 |
-
" }\n",
|
| 957 |
-
"</style>\n",
|
| 958 |
-
"<table border=\"1\" class=\"dataframe\">\n",
|
| 959 |
-
" <thead>\n",
|
| 960 |
-
" <tr style=\"text-align: right;\">\n",
|
| 961 |
-
" <th></th>\n",
|
| 962 |
-
" <th>geohash6</th>\n",
|
| 963 |
-
" <th>day</th>\n",
|
| 964 |
-
" <th>timestamp</th>\n",
|
| 965 |
-
" <th>demand</th>\n",
|
| 966 |
-
" </tr>\n",
|
| 967 |
-
" </thead>\n",
|
| 968 |
-
" <tbody>\n",
|
| 969 |
-
" <tr>\n",
|
| 970 |
-
" <th>0</th>\n",
|
| 971 |
-
" <td>qp02zd</td>\n",
|
| 972 |
-
" <td>62</td>\n",
|
| 973 |
-
" <td>0:0</td>\n",
|
| 974 |
-
" <td>0.014072</td>\n",
|
| 975 |
-
" </tr>\n",
|
| 976 |
-
" <tr>\n",
|
| 977 |
-
" <th>1</th>\n",
|
| 978 |
-
" <td>qp02zu</td>\n",
|
| 979 |
-
" <td>62</td>\n",
|
| 980 |
-
" <td>0:0</td>\n",
|
| 981 |
-
" <td>0.039789</td>\n",
|
| 982 |
-
" </tr>\n",
|
| 983 |
-
" <tr>\n",
|
| 984 |
-
" <th>2</th>\n",
|
| 985 |
-
" <td>qp02zt</td>\n",
|
| 986 |
-
" <td>62</td>\n",
|
| 987 |
-
" <td>0:0</td>\n",
|
| 988 |
-
" <td>0.137830</td>\n",
|
| 989 |
-
" </tr>\n",
|
| 990 |
-
" <tr>\n",
|
| 991 |
-
" <th>3</th>\n",
|
| 992 |
-
" <td>qp02zv</td>\n",
|
| 993 |
-
" <td>62</td>\n",
|
| 994 |
-
" <td>0:0</td>\n",
|
| 995 |
-
" <td>0.042405</td>\n",
|
| 996 |
-
" </tr>\n",
|
| 997 |
-
" <tr>\n",
|
| 998 |
-
" <th>4</th>\n",
|
| 999 |
-
" <td>qp08bj</td>\n",
|
| 1000 |
-
" <td>62</td>\n",
|
| 1001 |
-
" <td>0:0</td>\n",
|
| 1002 |
-
" <td>0.054124</td>\n",
|
| 1003 |
-
" </tr>\n",
|
| 1004 |
-
" </tbody>\n",
|
| 1005 |
-
"</table>\n",
|
| 1006 |
-
"</div>"
|
| 1007 |
-
],
|
| 1008 |
-
"text/plain": [
|
| 1009 |
-
" geohash6 day timestamp demand\n",
|
| 1010 |
-
"0 qp02zd 62 0:0 0.014072\n",
|
| 1011 |
-
"1 qp02zu 62 0:0 0.039789\n",
|
| 1012 |
-
"2 qp02zt 62 0:0 0.137830\n",
|
| 1013 |
-
"3 qp02zv 62 0:0 0.042405\n",
|
| 1014 |
-
"4 qp08bj 62 0:0 0.054124"
|
| 1015 |
-
]
|
| 1016 |
-
},
|
| 1017 |
-
"execution_count": 15,
|
| 1018 |
-
"metadata": {},
|
| 1019 |
-
"output_type": "execute_result"
|
| 1020 |
-
}
|
| 1021 |
-
],
|
| 1022 |
-
"source": [
|
| 1023 |
-
"df_trial = df_train[['geohash6','day','timestamp','demand']].iloc[-20000:,:]\n",
|
| 1024 |
-
"df_trial.to_csv('df_trial.csv', index=False)\n",
|
| 1025 |
-
"\n",
|
| 1026 |
-
"trial_link = 'df_trial.csv'\n",
|
| 1027 |
-
"predict5ts(link=trial_link)\n",
|
| 1028 |
-
"\n",
|
| 1029 |
-
"output = pd.read_csv('output.csv')\n",
|
| 1030 |
-
"print(output.shape)\n",
|
| 1031 |
-
"output.head()"
|
| 1032 |
-
]
|
| 1033 |
-
},
|
| 1034 |
-
{
|
| 1035 |
-
"cell_type": "code",
|
| 1036 |
-
"execution_count": 16,
|
| 1037 |
-
"metadata": {},
|
| 1038 |
-
"outputs": [],
|
| 1039 |
-
"source": [
|
| 1040 |
-
"os.remove(\"df_trial.csv\")\n",
|
| 1041 |
-
"os.remove(\"output.csv\")"
|
| 1042 |
-
]
|
| 1043 |
-
},
|
| 1044 |
-
{
|
| 1045 |
-
"cell_type": "markdown",
|
| 1046 |
-
"metadata": {},
|
| 1047 |
-
"source": [
|
| 1048 |
-
"## Part 4 - Predict demands of T+1, ..., T+5 using test data\n",
|
| 1049 |
-
"* Please uncomment below code and enter the link of test data.\n",
|
| 1050 |
-
"* Below code will produce an output file **output.csv** which is the demand forecast of T+1,...,T+5 for all the geo-locations, where T is the last time stamp in the test data."
|
| 1051 |
-
]
|
| 1052 |
-
},
|
| 1053 |
-
{
|
| 1054 |
-
"cell_type": "code",
|
| 1055 |
-
"execution_count": 17,
|
| 1056 |
-
"metadata": {},
|
| 1057 |
-
"outputs": [],
|
| 1058 |
-
"source": [
|
| 1059 |
-
"#test_link = '...'\n",
|
| 1060 |
-
"#predict5ts(link=test_link)"
|
| 1061 |
-
]
|
| 1062 |
-
}
|
| 1063 |
-
],
|
| 1064 |
-
"metadata": {
|
| 1065 |
-
"kernelspec": {
|
| 1066 |
-
"display_name": "Python 3",
|
| 1067 |
-
"language": "python",
|
| 1068 |
-
"name": "python3"
|
| 1069 |
-
},
|
| 1070 |
-
"language_info": {
|
| 1071 |
-
"codemirror_mode": {
|
| 1072 |
-
"name": "ipython",
|
| 1073 |
-
"version": 3
|
| 1074 |
-
},
|
| 1075 |
-
"file_extension": ".py",
|
| 1076 |
-
"mimetype": "text/x-python",
|
| 1077 |
-
"name": "python",
|
| 1078 |
-
"nbconvert_exporter": "python",
|
| 1079 |
-
"pygments_lexer": "ipython3",
|
| 1080 |
-
"version": "3.6.4"
|
| 1081 |
-
}
|
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version https://git-lfs.github.com/spec/v1
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