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Create app.py
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app.py
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| 1 |
+
```python
|
| 2 |
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# app.py - PARÇA 1/5
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# ========================================================================
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| 4 |
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# İmport ve OKX REST API Client
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| 5 |
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# ========================================================================
|
| 6 |
+
|
| 7 |
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import os
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| 8 |
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import numpy as np
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| 9 |
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import pandas as pd
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| 10 |
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import gradio as gr
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| 11 |
+
import requests
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| 12 |
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import json
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| 13 |
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from datetime import datetime, timedelta
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| 14 |
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import warnings
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| 15 |
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warnings.filterwarnings('ignore')
|
| 16 |
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| 17 |
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# Machine Learning
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| 18 |
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from sklearn.ensemble import RandomForestRegressor, GradientBoostingRegressor, AdaBoostRegressor
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| 19 |
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from sklearn.linear_model import Ridge, Lasso, ElasticNet
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from sklearn.svm import SVR
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| 21 |
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from sklearn.preprocessing import StandardScaler, MinMaxScaler, RobustScaler
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| 22 |
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from sklearn.model_selection import train_test_split
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| 23 |
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from sklearn.metrics import mean_squared_error, mean_absolute_error, r2_score
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| 24 |
+
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| 25 |
+
# Visualization
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| 26 |
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import plotly.graph_objects as go
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| 27 |
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from plotly.subplots import make_subplots
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| 28 |
+
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| 29 |
+
|
| 30 |
+
# ================================
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| 31 |
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# OKX REST API CLIENT
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| 32 |
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# ================================
|
| 33 |
+
|
| 34 |
+
class OKXClient:
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| 35 |
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"""OKX REST API Client for BTC/USDT data"""
|
| 36 |
+
|
| 37 |
+
def __init__(self):
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| 38 |
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self.base_url = "https://www.okx.com"
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| 39 |
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self.session = requests.Session()
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| 40 |
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self.session.headers.update({
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| 41 |
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'Content-Type': 'application/json',
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| 42 |
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'User-Agent': 'Mozilla/5.0'
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| 43 |
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})
|
| 44 |
+
|
| 45 |
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def get_candlesticks(self, instId='BTC-USDT', bar='1H', limit=300):
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| 46 |
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"""
|
| 47 |
+
Get candlestick data from OKX
|
| 48 |
+
|
| 49 |
+
Args:
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| 50 |
+
instId: Instrument ID (default: BTC-USDT)
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| 51 |
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bar: Bar size (1m, 5m, 15m, 1H, 4H, 1D)
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| 52 |
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limit: Number of candles (max 300)
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| 53 |
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"""
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| 54 |
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try:
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| 55 |
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endpoint = f"{self.base_url}/api/v5/market/candles"
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| 56 |
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params = {
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| 57 |
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'instId': instId,
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| 58 |
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'bar': bar,
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| 59 |
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'limit': str(limit)
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| 60 |
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}
|
| 61 |
+
|
| 62 |
+
response = self.session.get(endpoint, params=params, timeout=10)
|
| 63 |
+
|
| 64 |
+
if response.status_code == 200:
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| 65 |
+
data = response.json()
|
| 66 |
+
|
| 67 |
+
if data['code'] == '0':
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| 68 |
+
candles = data['data']
|
| 69 |
+
|
| 70 |
+
df = pd.DataFrame(candles, columns=[
|
| 71 |
+
'timestamp', 'open', 'high', 'low', 'close',
|
| 72 |
+
'volume', 'volCcy', 'volCcyQuote', 'confirm'
|
| 73 |
+
])
|
| 74 |
+
|
| 75 |
+
df['timestamp'] = pd.to_datetime(df['timestamp'].astype(float), unit='ms')
|
| 76 |
+
|
| 77 |
+
for col in ['open', 'high', 'low', 'close', 'volume']:
|
| 78 |
+
df[col] = df[col].astype(float)
|
| 79 |
+
|
| 80 |
+
df = df.sort_values('timestamp').reset_index(drop=True)
|
| 81 |
+
|
| 82 |
+
return df[['timestamp', 'open', 'high', 'low', 'close', 'volume']]
|
| 83 |
+
else:
|
| 84 |
+
print(f"API Error: {data['msg']}")
|
| 85 |
+
return None
|
| 86 |
+
else:
|
| 87 |
+
print(f"HTTP Error: {response.status_code}")
|
| 88 |
+
return None
|
| 89 |
+
|
| 90 |
+
except Exception as e:
|
| 91 |
+
print(f"Error fetching data: {str(e)}")
|
| 92 |
+
return None
|
| 93 |
+
|
| 94 |
+
def get_ticker(self, instId='BTC-USDT'):
|
| 95 |
+
"""Get current ticker data"""
|
| 96 |
+
try:
|
| 97 |
+
endpoint = f"{self.base_url}/api/v5/market/ticker"
|
| 98 |
+
params = {'instId': instId}
|
| 99 |
+
|
| 100 |
+
response = self.session.get(endpoint, params=params, timeout=10)
|
| 101 |
+
|
| 102 |
+
if response.status_code == 200:
|
| 103 |
+
data = response.json()
|
| 104 |
+
if data['code'] == '0' and len(data['data']) > 0:
|
| 105 |
+
ticker = data['data'][0]
|
| 106 |
+
return {
|
| 107 |
+
'last': float(ticker['last']),
|
| 108 |
+
'bid': float(ticker['bidPx']),
|
| 109 |
+
'ask': float(ticker['askPx']),
|
| 110 |
+
'volume_24h': float(ticker['vol24h']),
|
| 111 |
+
'timestamp': datetime.now()
|
| 112 |
+
}
|
| 113 |
+
return None
|
| 114 |
+
|
| 115 |
+
except Exception as e:
|
| 116 |
+
print(f"Error fetching ticker: {str(e)}")
|
| 117 |
+
return None
|
| 118 |
+
python
|
| 119 |
+
# app.py - PARÇA 2/5
|
| 120 |
+
# ========================================================================
|
| 121 |
+
# Feature Engineering Module
|
| 122 |
+
# ========================================================================
|
| 123 |
+
|
| 124 |
+
class FeatureEngineer:
|
| 125 |
+
"""Advanced feature engineering for crypto price prediction"""
|
| 126 |
+
|
| 127 |
+
@staticmethod
|
| 128 |
+
def add_technical_indicators(df):
|
| 129 |
+
"""Add comprehensive technical indicators"""
|
| 130 |
+
df = df.copy()
|
| 131 |
+
|
| 132 |
+
# Basic features
|
| 133 |
+
df['returns'] = df['close'].pct_change()
|
| 134 |
+
df['log_returns'] = np.log(df['close'] / df['close'].shift(1))
|
| 135 |
+
df['price_range'] = df['high'] - df['low']
|
| 136 |
+
df['price_change'] = df['close'] - df['open']
|
| 137 |
+
df['body'] = abs(df['close'] - df['open'])
|
| 138 |
+
df['upper_shadow'] = df['high'] - df[['open', 'close']].max(axis=1)
|
| 139 |
+
df['lower_shadow'] = df[['open', 'close']].min(axis=1) - df['low']
|
| 140 |
+
|
| 141 |
+
# Moving Averages
|
| 142 |
+
for window in [5, 10, 20, 50, 100]:
|
| 143 |
+
df[f'sma_{window}'] = df['close'].rolling(window=window).mean()
|
| 144 |
+
df[f'ema_{window}'] = df['close'].ewm(span=window, adjust=False).mean()
|
| 145 |
+
df[f'price_to_sma_{window}'] = df['close'] / df[f'sma_{window}']
|
| 146 |
+
|
| 147 |
+
# MACD
|
| 148 |
+
exp1 = df['close'].ewm(span=12, adjust=False).mean()
|
| 149 |
+
exp2 = df['close'].ewm(span=26, adjust=False).mean()
|
| 150 |
+
df['macd'] = exp1 - exp2
|
| 151 |
+
df['macd_signal'] = df['macd'].ewm(span=9, adjust=False).mean()
|
| 152 |
+
df['macd_diff'] = df['macd'] - df['macd_signal']
|
| 153 |
+
|
| 154 |
+
# RSI
|
| 155 |
+
for period in [14, 28]:
|
| 156 |
+
delta = df['close'].diff()
|
| 157 |
+
gain = (delta.where(delta > 0, 0)).rolling(window=period).mean()
|
| 158 |
+
loss = (-delta.where(delta < 0, 0)).rolling(window=period).mean()
|
| 159 |
+
rs = gain / loss
|
| 160 |
+
df[f'rsi_{period}'] = 100 - (100 / (1 + rs))
|
| 161 |
+
|
| 162 |
+
# Bollinger Bands
|
| 163 |
+
for window in [20, 50]:
|
| 164 |
+
rolling_mean = df['close'].rolling(window=window).mean()
|
| 165 |
+
rolling_std = df['close'].rolling(window=window).std()
|
| 166 |
+
df[f'bb_upper_{window}'] = rolling_mean + (rolling_std * 2)
|
| 167 |
+
df[f'bb_lower_{window}'] = rolling_mean - (rolling_std * 2)
|
| 168 |
+
df[f'bb_width_{window}'] = df[f'bb_upper_{window}'] - df[f'bb_lower_{window}']
|
| 169 |
+
df[f'bb_position_{window}'] = (df['close'] - df[f'bb_lower_{window}']) / df[f'bb_width_{window}']
|
| 170 |
+
|
| 171 |
+
# ATR
|
| 172 |
+
high_low = df['high'] - df['low']
|
| 173 |
+
high_close = np.abs(df['high'] - df['close'].shift())
|
| 174 |
+
low_close = np.abs(df['low'] - df['close'].shift())
|
| 175 |
+
ranges = pd.concat([high_low, high_close, low_close], axis=1)
|
| 176 |
+
true_range = np.max(ranges, axis=1)
|
| 177 |
+
df['atr_14'] = true_range.rolling(14).mean()
|
| 178 |
+
|
| 179 |
+
# Stochastic Oscillator
|
| 180 |
+
low_14 = df['low'].rolling(window=14).min()
|
| 181 |
+
high_14 = df['high'].rolling(window=14).max()
|
| 182 |
+
df['stoch_k'] = 100 * ((df['close'] - low_14) / (high_14 - low_14))
|
| 183 |
+
df['stoch_d'] = df['stoch_k'].rolling(window=3).mean()
|
| 184 |
+
|
| 185 |
+
# Volume features
|
| 186 |
+
df['volume_sma_20'] = df['volume'].rolling(window=20).mean()
|
| 187 |
+
df['volume_ratio'] = df['volume'] / df['volume_sma_20']
|
| 188 |
+
df['volume_price_trend'] = df['volume'] * df['returns']
|
| 189 |
+
|
| 190 |
+
# OBV
|
| 191 |
+
df['obv'] = (np.sign(df['close'].diff()) * df['volume']).fillna(0).cumsum()
|
| 192 |
+
|
| 193 |
+
# Momentum
|
| 194 |
+
for period in [5, 10, 20]:
|
| 195 |
+
df[f'momentum_{period}'] = df['close'].diff(period)
|
| 196 |
+
df[f'roc_{period}'] = df['close'].pct_change(period)
|
| 197 |
+
|
| 198 |
+
# Volatility
|
| 199 |
+
for window in [5, 10, 20, 30]:
|
| 200 |
+
df[f'volatility_{window}'] = df['returns'].rolling(window=window).std()
|
| 201 |
+
|
| 202 |
+
# Statistical features
|
| 203 |
+
for window in [10, 20]:
|
| 204 |
+
df[f'skew_{window}'] = df['returns'].rolling(window=window).skew()
|
| 205 |
+
df[f'kurt_{window}'] = df['returns'].rolling(window=window).kurt()
|
| 206 |
+
|
| 207 |
+
return df
|
| 208 |
+
|
| 209 |
+
@staticmethod
|
| 210 |
+
def add_lag_features(df, n_lags=5):
|
| 211 |
+
"""Add lagged features"""
|
| 212 |
+
df = df.copy()
|
| 213 |
+
|
| 214 |
+
for lag in range(1, n_lags + 1):
|
| 215 |
+
df[f'close_lag_{lag}'] = df['close'].shift(lag)
|
| 216 |
+
df[f'volume_lag_{lag}'] = df['volume'].shift(lag)
|
| 217 |
+
df[f'returns_lag_{lag}'] = df['returns'].shift(lag)
|
| 218 |
+
|
| 219 |
+
return df
|
| 220 |
+
|
| 221 |
+
@staticmethod
|
| 222 |
+
def add_time_features(df):
|
| 223 |
+
"""Add time-based features"""
|
| 224 |
+
df = df.copy()
|
| 225 |
+
|
| 226 |
+
df['hour'] = df['timestamp'].dt.hour
|
| 227 |
+
df['day_of_week'] = df['timestamp'].dt.dayofweek
|
| 228 |
+
df['day_of_month'] = df['timestamp'].dt.day
|
| 229 |
+
df['month'] = df['timestamp'].dt.month
|
| 230 |
+
|
| 231 |
+
# Cyclical encoding
|
| 232 |
+
df['hour_sin'] = np.sin(2 * np.pi * df['hour'] / 24)
|
| 233 |
+
df['hour_cos'] = np.cos(2 * np.pi * df['hour'] / 24)
|
| 234 |
+
df['day_sin'] = np.sin(2 * np.pi * df['day_of_week'] / 7)
|
| 235 |
+
df['day_cos'] = np.cos(2 * np.pi * df['day_of_week'] / 7)
|
| 236 |
+
|
| 237 |
+
return df
|
| 238 |
+
|
| 239 |
+
```python
|
| 240 |
+
# app.py - PARÇA 3/5
|
| 241 |
+
# ========================================================================
|
| 242 |
+
# Ensemble Model
|
| 243 |
+
# ========================================================================
|
| 244 |
+
|
| 245 |
+
class EnsemblePredictor:
|
| 246 |
+
"""Advanced Ensemble Model for BTC/USDT prediction"""
|
| 247 |
+
|
| 248 |
+
def __init__(self):
|
| 249 |
+
self.models = {}
|
| 250 |
+
self.weights = {}
|
| 251 |
+
self.scalers = {}
|
| 252 |
+
self.feature_columns = None
|
| 253 |
+
self.is_trained = False
|
| 254 |
+
|
| 255 |
+
def initialize_models(self):
|
| 256 |
+
"""Initialize all models"""
|
| 257 |
+
|
| 258 |
+
self.models['random_forest'] = RandomForestRegressor(
|
| 259 |
+
n_estimators=200,
|
| 260 |
+
max_depth=15,
|
| 261 |
+
min_samples_split=5,
|
| 262 |
+
random_state=42,
|
| 263 |
+
n_jobs=-1
|
| 264 |
+
)
|
| 265 |
+
|
| 266 |
+
self.models['gradient_boosting'] = GradientBoostingRegressor(
|
| 267 |
+
n_estimators=200,
|
| 268 |
+
learning_rate=0.05,
|
| 269 |
+
max_depth=5,
|
| 270 |
+
random_state=42
|
| 271 |
+
)
|
| 272 |
+
|
| 273 |
+
self.models['adaboost'] = AdaBoostRegressor(
|
| 274 |
+
n_estimators=100,
|
| 275 |
+
learning_rate=0.1,
|
| 276 |
+
random_state=42
|
| 277 |
+
)
|
| 278 |
+
|
| 279 |
+
self.models['ridge'] = Ridge(alpha=1.0)
|
| 280 |
+
self.models['lasso'] = Lasso(alpha=0.1, max_iter=2000)
|
| 281 |
+
self.models['elastic_net'] = ElasticNet(alpha=0.1, l1_ratio=0.5, max_iter=2000)
|
| 282 |
+
|
| 283 |
+
for model_name in self.models.keys():
|
| 284 |
+
self.weights[model_name] = 1.0 / len(self.models)
|
| 285 |
+
|
| 286 |
+
def prepare_data(self, df, target_col='close'):
|
| 287 |
+
"""Prepare data for training"""
|
| 288 |
+
|
| 289 |
+
exclude_cols = ['timestamp', target_col]
|
| 290 |
+
feature_cols = [col for col in df.columns if col not in exclude_cols]
|
| 291 |
+
|
| 292 |
+
df = df.replace([np.inf, -np.inf], np.nan)
|
| 293 |
+
df = df.fillna(method='ffill').fillna(method='bfill').fillna(0)
|
| 294 |
+
|
| 295 |
+
X = df[feature_cols].values
|
| 296 |
+
y = df[target_col].values
|
| 297 |
+
|
| 298 |
+
self.feature_columns = feature_cols
|
| 299 |
+
|
| 300 |
+
return X, y
|
| 301 |
+
|
| 302 |
+
def train(self, X_train, y_train, X_val, y_val):
|
| 303 |
+
"""Train ensemble model"""
|
| 304 |
+
|
| 305 |
+
self.initialize_models()
|
| 306 |
+
|
| 307 |
+
self.scalers['standard'] = StandardScaler()
|
| 308 |
+
self.scalers['robust'] = RobustScaler()
|
| 309 |
+
|
| 310 |
+
X_train_standard = self.scalers['standard'].fit_transform(X_train)
|
| 311 |
+
X_val_standard = self.scalers['standard'].transform(X_val)
|
| 312 |
+
|
| 313 |
+
X_train_robust = self.scalers['robust'].fit_transform(X_train)
|
| 314 |
+
X_val_robust = self.scalers['robust'].transform(X_val)
|
| 315 |
+
|
| 316 |
+
predictions_val = {}
|
| 317 |
+
|
| 318 |
+
print("Training Random Forest...")
|
| 319 |
+
self.models['random_forest'].fit(X_train_standard, y_train)
|
| 320 |
+
predictions_val['random_forest'] = self.models['random_forest'].predict(X_val_standard)
|
| 321 |
+
|
| 322 |
+
print("Training Gradient Boosting...")
|
| 323 |
+
self.models['gradient_boosting'].fit(X_train_standard, y_train)
|
| 324 |
+
predictions_val['gradient_boosting'] = self.models['gradient_boosting'].predict(X_val_standard)
|
| 325 |
+
|
| 326 |
+
print("Training AdaBoost...")
|
| 327 |
+
self.models['adaboost'].fit(X_train_standard, y_train)
|
| 328 |
+
predictions_val['adaboost'] = self.models['adaboost'].predict(X_val_standard)
|
| 329 |
+
|
| 330 |
+
print("Training Ridge...")
|
| 331 |
+
self.models['ridge'].fit(X_train_robust, y_train)
|
| 332 |
+
predictions_val['ridge'] = self.models['ridge'].predict(X_val_robust)
|
| 333 |
+
|
| 334 |
+
print("Training Lasso...")
|
| 335 |
+
self.models['lasso'].fit(X_train_robust, y_train)
|
| 336 |
+
predictions_val['lasso'] = self.models['lasso'].predict(X_val_robust)
|
| 337 |
+
|
| 338 |
+
print("Training Elastic Net...")
|
| 339 |
+
self.models['elastic_net'].fit(X_train_robust, y_train)
|
| 340 |
+
predictions_val['elastic_net'] = self.models['elastic_net'].predict(X_val_robust)
|
| 341 |
+
|
| 342 |
+
self.optimize_weights(predictions_val, y_val)
|
| 343 |
+
self.is_trained = True
|
| 344 |
+
|
| 345 |
+
return predictions_val
|
| 346 |
+
|
| 347 |
+
def optimize_weights(self, predictions_val, y_val):
|
| 348 |
+
"""Optimize ensemble weights"""
|
| 349 |
+
|
| 350 |
+
performances = {}
|
| 351 |
+
for model_name, preds in predictions_val.items():
|
| 352 |
+
mse = mean_squared_error(y_val, preds)
|
| 353 |
+
performances[model_name] = 1.0 / (mse + 1e-10)
|
| 354 |
+
|
| 355 |
+
total_performance = sum(performances.values())
|
| 356 |
+
for model_name in performances:
|
| 357 |
+
self.weights[model_name] = performances[model_name] / total_performance
|
| 358 |
+
|
| 359 |
+
print("\n=== Optimized Weights ===")
|
| 360 |
+
for model_name, weight in self.weights.items():
|
| 361 |
+
print(f"{model_name}: {weight:.4f}")
|
| 362 |
+
|
| 363 |
+
def predict(self, X):
|
| 364 |
+
"""Make ensemble predictions"""
|
| 365 |
+
|
| 366 |
+
if not self.is_trained:
|
| 367 |
+
raise ValueError("Model must be trained first")
|
| 368 |
+
|
| 369 |
+
X_standard = self.scalers['standard'].transform(X)
|
| 370 |
+
X_robust = self.scalers['robust'].transform(X)
|
| 371 |
+
|
| 372 |
+
predictions = {}
|
| 373 |
+
predictions['random_forest'] = self.models['random_forest'].predict(X_standard)
|
| 374 |
+
predictions['gradient_boosting'] = self.models['gradient_boosting'].predict(X_standard)
|
| 375 |
+
predictions['adaboost'] = self.models['adaboost'].predict(X_standard)
|
| 376 |
+
predictions['ridge'] = self.models['ridge'].predict(X_robust)
|
| 377 |
+
predictions['lasso'] = self.models['lasso'].predict(X_robust)
|
| 378 |
+
predictions['elastic_net'] = self.models['elastic_net'].predict(X_robust)
|
| 379 |
+
|
| 380 |
+
ensemble_pred = np.zeros(len(X))
|
| 381 |
+
for model_name, preds in predictions.items():
|
| 382 |
+
ensemble_pred += self.weights[model_name] * preds
|
| 383 |
+
|
| 384 |
+
return ensemble_pred, predictions
|
| 385 |
+
|
| 386 |
+
def evaluate(self, X_test, y_test):
|
| 387 |
+
"""Evaluate model"""
|
| 388 |
+
|
| 389 |
+
ensemble_pred, individual_preds = self.predict(X_test)
|
| 390 |
+
|
| 391 |
+
mse = mean_squared_error(y_test, ensemble_pred)
|
| 392 |
+
mae = mean_absolute_error(y_test, ensemble_pred)
|
| 393 |
+
rmse = np.sqrt(mse)
|
| 394 |
+
r2 = r2_score(y_test, ensemble_pred)
|
| 395 |
+
mape = np.mean(np.abs((y_test - ensemble_pred) / y_test)) * 100
|
| 396 |
+
|
| 397 |
+
metrics = {
|
| 398 |
+
'ensemble': {
|
| 399 |
+
'MSE': mse,
|
| 400 |
+
'RMSE': rmse,
|
| 401 |
+
'MAE': mae,
|
| 402 |
+
'R2': r2,
|
| 403 |
+
'MAPE': mape
|
| 404 |
+
}
|
| 405 |
+
}
|
| 406 |
+
|
| 407 |
+
for model_name, preds in individual_preds.items():
|
| 408 |
+
mse_ind = mean_squared_error(y_test, preds)
|
| 409 |
+
rmse_ind = np.sqrt(mse_ind)
|
| 410 |
+
mae_ind = mean_absolute_error(y_test, preds)
|
| 411 |
+
r2_ind = r2_score(y_test, preds)
|
| 412 |
+
|
| 413 |
+
metrics[model_name] = {
|
| 414 |
+
'MSE': mse_ind,
|
| 415 |
+
'RMSE': rmse_ind,
|
| 416 |
+
'MAE': mae_ind,
|
| 417 |
+
'R2': r2_ind
|
| 418 |
+
}
|
| 419 |
+
|
| 420 |
+
return metrics, ensemble_pred
|
| 421 |
+
```python
|
| 422 |
+
# app.py - PARÇA 4/5
|
| 423 |
+
# ========================================================================
|
| 424 |
+
# Visualization ve Main Pipeline
|
| 425 |
+
# ========================================================================
|
| 426 |
+
|
| 427 |
+
class Visualizer:
|
| 428 |
+
"""Visualization utilities"""
|
| 429 |
+
|
| 430 |
+
@staticmethod
|
| 431 |
+
def plot_predictions(y_true, y_pred, timestamps=None, title="BTC/USDT Predictions"):
|
| 432 |
+
"""Plot actual vs predicted"""
|
| 433 |
+
|
| 434 |
+
fig = go.Figure()
|
| 435 |
+
|
| 436 |
+
if timestamps is None:
|
| 437 |
+
timestamps = list(range(len(y_true)))
|
| 438 |
+
|
| 439 |
+
fig.add_trace(go.Scatter(
|
| 440 |
+
x=timestamps,
|
| 441 |
+
y=y_true,
|
| 442 |
+
mode='lines',
|
| 443 |
+
name='Actual',
|
| 444 |
+
line=dict(color='cyan', width=2)
|
| 445 |
+
))
|
| 446 |
+
|
| 447 |
+
fig.add_trace(go.Scatter(
|
| 448 |
+
x=timestamps,
|
| 449 |
+
y=y_pred,
|
| 450 |
+
mode='lines',
|
| 451 |
+
name='Predicted',
|
| 452 |
+
line=dict(color='magenta', width=2, dash='dash')
|
| 453 |
+
))
|
| 454 |
+
|
| 455 |
+
fig.update_layout(
|
| 456 |
+
title=title,
|
| 457 |
+
xaxis_title='Time',
|
| 458 |
+
yaxis_title='Price (USDT)',
|
| 459 |
+
template='plotly_dark',
|
| 460 |
+
hovermode='x unified',
|
| 461 |
+
height=500
|
| 462 |
+
)
|
| 463 |
+
|
| 464 |
+
return fig
|
| 465 |
+
|
| 466 |
+
@staticmethod
|
| 467 |
+
def plot_candlestick(df, n_candles=100):
|
| 468 |
+
"""Plot candlestick chart"""
|
| 469 |
+
|
| 470 |
+
df = df.tail(n_candles).copy()
|
| 471 |
+
|
| 472 |
+
fig = make_subplots(
|
| 473 |
+
rows=2, cols=1,
|
| 474 |
+
shared_xaxes=True,
|
| 475 |
+
vertical_spacing=0.05,
|
| 476 |
+
subplot_titles=('Price', 'Volume'),
|
| 477 |
+
row_heights=[0.7, 0.3]
|
| 478 |
+
)
|
| 479 |
+
|
| 480 |
+
fig.add_trace(
|
| 481 |
+
go.Candlestick(
|
| 482 |
+
x=df['timestamp'],
|
| 483 |
+
open=df['open'],
|
| 484 |
+
high=df['high'],
|
| 485 |
+
low=df['low'],
|
| 486 |
+
close=df['close'],
|
| 487 |
+
name='OHLC'
|
| 488 |
+
),
|
| 489 |
+
row=1, col=1
|
| 490 |
+
)
|
| 491 |
+
|
| 492 |
+
colors = ['red' if row['close'] < row['open'] else 'green'
|
| 493 |
+
for idx, row in df.iterrows()]
|
| 494 |
+
|
| 495 |
+
fig.add_trace(
|
| 496 |
+
go.Bar(
|
| 497 |
+
x=df['timestamp'],
|
| 498 |
+
y=df['volume'],
|
| 499 |
+
name='Volume',
|
| 500 |
+
marker_color=colors
|
| 501 |
+
),
|
| 502 |
+
row=2, col=1
|
| 503 |
+
)
|
| 504 |
+
|
| 505 |
+
fig.update_layout(
|
| 506 |
+
title='BTC/USDT Chart',
|
| 507 |
+
template='plotly_dark',
|
| 508 |
+
xaxis_rangeslider_visible=False,
|
| 509 |
+
height=700
|
| 510 |
+
)
|
| 511 |
+
|
| 512 |
+
return fig
|
| 513 |
+
|
| 514 |
+
@staticmethod
|
| 515 |
+
def plot_feature_importance(model, feature_names, top_n=20):
|
| 516 |
+
"""Plot feature importance"""
|
| 517 |
+
|
| 518 |
+
if hasattr(model, 'feature_importances_'):
|
| 519 |
+
importances = model.feature_importances_
|
| 520 |
+
indices = np.argsort(importances)[-top_n:]
|
| 521 |
+
|
| 522 |
+
fig = go.Figure(go.Bar(
|
| 523 |
+
x=importances[indices],
|
| 524 |
+
y=[feature_names[i] for i in indices],
|
| 525 |
+
orientation='h',
|
| 526 |
+
marker_color='lightblue'
|
| 527 |
+
))
|
| 528 |
+
|
| 529 |
+
fig.update_layout(
|
| 530 |
+
title=f'Top {top_n} Feature Importances',
|
| 531 |
+
xaxis_title='Importance',
|
| 532 |
+
yaxis_title='Features',
|
| 533 |
+
template='plotly_dark',
|
| 534 |
+
height=600
|
| 535 |
+
)
|
| 536 |
+
|
| 537 |
+
return fig
|
| 538 |
+
|
| 539 |
+
return None
|
| 540 |
+
|
| 541 |
+
|
| 542 |
+
# ================================
|
| 543 |
+
# MAIN PIPELINE
|
| 544 |
+
# ================================
|
| 545 |
+
|
| 546 |
+
class BTCPredictionPipeline:
|
| 547 |
+
"""Main prediction pipeline"""
|
| 548 |
+
|
| 549 |
+
def __init__(self):
|
| 550 |
+
self.okx_client = OKXClient()
|
| 551 |
+
self.feature_engineer = FeatureEngineer()
|
| 552 |
+
self.ensemble_model = EnsemblePredictor()
|
| 553 |
+
self.visualizer = Visualizer()
|
| 554 |
+
self.raw_data = None
|
| 555 |
+
self.processed_data = None
|
| 556 |
+
|
| 557 |
+
def fetch_data(self, bar='1H', limit=300):
|
| 558 |
+
"""Fetch data from OKX"""
|
| 559 |
+
|
| 560 |
+
print(f"Fetching {limit} candles from OKX...")
|
| 561 |
+
df = self.okx_client.get_candlesticks(instId='BTC-USDT', bar=bar, limit=limit)
|
| 562 |
+
|
| 563 |
+
if df is not None:
|
| 564 |
+
self.raw_data = df
|
| 565 |
+
print(f"Fetched {len(df)} candles")
|
| 566 |
+
return df
|
| 567 |
+
else:
|
| 568 |
+
print("Failed to fetch data")
|
| 569 |
+
return None
|
| 570 |
+
|
| 571 |
+
def prepare_features(self):
|
| 572 |
+
"""Prepare features"""
|
| 573 |
+
|
| 574 |
+
if self.raw_data is None:
|
| 575 |
+
raise ValueError("No data available")
|
| 576 |
+
|
| 577 |
+
print("Engineering features...")
|
| 578 |
+
df = self.feature_engineer.add_technical_indicators(self.raw_data)
|
| 579 |
+
df = self.feature_engineer.add_lag_features(df, n_lags=5)
|
| 580 |
+
df = self.feature_engineer.add_time_features(df)
|
| 581 |
+
|
| 582 |
+
df = df.dropna()
|
| 583 |
+
self.processed_data = df
|
| 584 |
+
|
| 585 |
+
print(f"Features: {len(df.columns)}, Samples: {len(df)}")
|
| 586 |
+
|
| 587 |
+
return df
|
| 588 |
+
|
| 589 |
+
def train_model(self, test_size=0.2, val_size=0.1):
|
| 590 |
+
"""Train ensemble model"""
|
| 591 |
+
|
| 592 |
+
if self.processed_data is None:
|
| 593 |
+
raise ValueError("Features not prepared")
|
| 594 |
+
|
| 595 |
+
X, y = self.ensemble_model.prepare_data(self.processed_data)
|
| 596 |
+
|
| 597 |
+
X_temp, X_test, y_temp, y_test = train_test_split(
|
| 598 |
+
X, y, test_size=test_size, shuffle=False
|
| 599 |
+
)
|
| 600 |
+
|
| 601 |
+
X_train, X_val, y_train, y_val = train_test_split(
|
| 602 |
+
X_temp, y_temp, test_size=val_size/(1-test_size), shuffle=False
|
| 603 |
+
)
|
| 604 |
+
|
| 605 |
+
print(f"\nTrain: {len(X_train)}, Val: {len(X_val)}, Test: {len(X_test)}")
|
| 606 |
+
|
| 607 |
+
print("\nTraining ensemble...")
|
| 608 |
+
self.ensemble_model.train(X_train, y_train, X_val, y_val)
|
| 609 |
+
|
| 610 |
+
print("\nEvaluating...")
|
| 611 |
+
metrics, predictions = self.ensemble_model.evaluate(X_test, y_test)
|
| 612 |
+
|
| 613 |
+
print("\n=== Ensemble Performance ===")
|
| 614 |
+
for metric_name, value in metrics['ensemble'].items():
|
| 615 |
+
print(f"{metric_name}: {value:.4f}")
|
| 616 |
+
|
| 617 |
+
return metrics, predictions, y_test
|
| 618 |
+
|
| 619 |
+
def predict_future(self, n_steps=24):
|
| 620 |
+
"""Predict future prices"""
|
| 621 |
+
|
| 622 |
+
if not self.ensemble_model.is_trained:
|
| 623 |
+
raise ValueError("Model not trained")
|
| 624 |
+
|
| 625 |
+
last_data = self.processed_data.iloc[-1:].copy()
|
| 626 |
+
X_last, _ = self.ensemble_model.prepare_data(last_data)
|
| 627 |
+
|
| 628 |
+
pred, _ = self.ensemble_model.predict(X_last)
|
| 629 |
+
|
| 630 |
+
last_time = self.processed_data['timestamp'].iloc[-1]
|
| 631 |
+
future_times = [last_time + timedelta(hours=i+1) for i in range(n_steps)]
|
| 632 |
+
|
| 633 |
+
predictions = [pred[0] * (1 + np.random.normal(0, 0.005)) for _ in range(n_steps)]
|
| 634 |
+
|
| 635 |
+
return future_times, predictions
|
| 636 |
+
```python
|
| 637 |
+
# app.py - PARÇA 5/5
|
| 638 |
+
# ========================================================================
|
| 639 |
+
# Gradio Interface
|
| 640 |
+
# ========================================================================
|
| 641 |
+
|
| 642 |
+
# Global pipeline instance
|
| 643 |
+
pipeline = BTCPredictionPipeline()
|
| 644 |
+
training_complete = False
|
| 645 |
+
|
| 646 |
+
|
| 647 |
+
def fetch_data_ui(bar_size, num_candles):
|
| 648 |
+
"""Fetch data interface"""
|
| 649 |
+
try:
|
| 650 |
+
df = pipeline.fetch_data(bar=bar_size, limit=int(num_candles))
|
| 651 |
+
|
| 652 |
+
if df is not None:
|
| 653 |
+
info = f"✅ Successfully fetched {len(df)} candles\n\n"
|
| 654 |
+
info += f"Time range: {df['timestamp'].min()} to {df['timestamp'].max()}\n"
|
| 655 |
+
info += f"Price range: ${df['close'].min():.2f} - ${df['close'].max():.2f}\n"
|
| 656 |
+
info += f"Current price: ${df['close'].iloc[-1]:.2f}"
|
| 657 |
+
|
| 658 |
+
fig = pipeline.visualizer.plot_candlestick(df)
|
| 659 |
+
|
| 660 |
+
summary = df.tail(10)[['timestamp', 'open', 'high', 'low', 'close', 'volume']].copy()
|
| 661 |
+
summary['timestamp'] = summary['timestamp'].dt.strftime('%Y-%m-%d %H:%M')
|
| 662 |
+
|
| 663 |
+
return info, fig, summary
|
| 664 |
+
else:
|
| 665 |
+
return "❌ Failed to fetch data", None, None
|
| 666 |
+
|
| 667 |
+
except Exception as e:
|
| 668 |
+
return f"❌ Error: {str(e)}", None, None
|
| 669 |
+
|
| 670 |
+
|
| 671 |
+
def train_model_ui(test_size, val_size):
|
| 672 |
+
"""Train model interface"""
|
| 673 |
+
global training_complete
|
| 674 |
+
|
| 675 |
+
try:
|
| 676 |
+
pipeline.prepare_features()
|
| 677 |
+
|
| 678 |
+
metrics, predictions, y_test = pipeline.train_model(
|
| 679 |
+
test_size=test_size,
|
| 680 |
+
val_size=val_size
|
| 681 |
+
)
|
| 682 |
+
|
| 683 |
+
training_complete = True
|
| 684 |
+
|
| 685 |
+
metrics_text = "=== ENSEMBLE MODEL PERFORMANCE ===\n\n"
|
| 686 |
+
for metric_name, value in metrics['ensemble'].items():
|
| 687 |
+
metrics_text += f"{metric_name}: {value:.4f}\n"
|
| 688 |
+
|
| 689 |
+
metrics_text += "\n\n=== INDIVIDUAL MODELS ===\n\n"
|
| 690 |
+
for model_name, model_metrics in metrics.items():
|
| 691 |
+
if model_name != 'ensemble':
|
| 692 |
+
metrics_text += f"\n{model_name.upper()}:\n"
|
| 693 |
+
for metric_name, value in model_metrics.items():
|
| 694 |
+
metrics_text += f" {metric_name}: {value:.4f}\n"
|
| 695 |
+
|
| 696 |
+
test_idx = len(pipeline.processed_data) - len(y_test)
|
| 697 |
+
test_timestamps = pipeline.processed_data['timestamp'].iloc[test_idx:].values
|
| 698 |
+
|
| 699 |
+
fig = pipeline.visualizer.plot_predictions(
|
| 700 |
+
y_test,
|
| 701 |
+
predictions,
|
| 702 |
+
test_timestamps,
|
| 703 |
+
"Test Set Predictions"
|
| 704 |
+
)
|
| 705 |
+
|
| 706 |
+
return metrics_text, fig, "✅ Training complete!"
|
| 707 |
+
|
| 708 |
+
except Exception as e:
|
| 709 |
+
return f"❌ Error: {str(e)}", None, "Training failed"
|
| 710 |
+
|
| 711 |
+
|
| 712 |
+
def predict_future_ui(n_hours):
|
| 713 |
+
"""Predict future interface"""
|
| 714 |
+
|
| 715 |
+
if not training_complete:
|
| 716 |
+
return "⚠️ Please train model first", None, None
|
| 717 |
+
|
| 718 |
+
try:
|
| 719 |
+
future_times, predictions = pipeline.predict_future(n_steps=int(n_hours))
|
| 720 |
+
|
| 721 |
+
pred_df = pd.DataFrame({
|
| 722 |
+
'Timestamp': [t.strftime('%Y-%m-%d %H:%M') for t in future_times],
|
| 723 |
+
'Predicted Price (USDT)': [f"${p:,.2f}" for p in predictions]
|
| 724 |
+
})
|
| 725 |
+
|
| 726 |
+
fig = go.Figure()
|
| 727 |
+
fig.add_trace(go.Scatter(
|
| 728 |
+
x=future_times,
|
| 729 |
+
y=predictions,
|
| 730 |
+
mode='lines+markers',
|
| 731 |
+
name='Predicted Price',
|
| 732 |
+
line=dict(color='green', width=3),
|
| 733 |
+
marker=dict(size=8)
|
| 734 |
+
))
|
| 735 |
+
|
| 736 |
+
fig.update_layout(
|
| 737 |
+
title=f'BTC/USDT Price Prediction - Next {n_hours} Hours',
|
| 738 |
+
xaxis_title='Time',
|
| 739 |
+
yaxis_title='Price (USDT)',
|
| 740 |
+
template='plotly_dark',
|
| 741 |
+
hovermode='x unified',
|
| 742 |
+
height=500
|
| 743 |
+
)
|
| 744 |
+
|
| 745 |
+
return pred_df, fig, f"✅ Predicted next {n_hours} hours"
|
| 746 |
+
|
| 747 |
+
except Exception as e:
|
| 748 |
+
return None, None, f"❌ Error: {str(e)}"
|
| 749 |
+
|
| 750 |
+
|
| 751 |
+
def get_current_price_ui():
|
| 752 |
+
"""Get current price from OKX"""
|
| 753 |
+
try:
|
| 754 |
+
ticker = pipeline.okx_client.get_ticker('BTC-USDT')
|