kaiwenyao commited on
Commit
0153d4f
·
verified ·
1 Parent(s): 1680f38

Upload folder using huggingface_hub

Browse files
.gitattributes CHANGED
@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
33
  *.zip filter=lfs diff=lfs merge=lfs -text
34
  *.zst filter=lfs diff=lfs merge=lfs -text
35
  *tfevents* filter=lfs diff=lfs merge=lfs -text
 
 
33
  *.zip filter=lfs diff=lfs merge=lfs -text
34
  *.zst filter=lfs diff=lfs merge=lfs -text
35
  *tfevents* filter=lfs diff=lfs merge=lfs -text
36
+ final_merged_data.csv filter=lfs diff=lfs merge=lfs -text
bike_availability_model.pkl ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:3f35db45557165fd04a9330de819546428212d56558685173282fc1b266a01be
3
+ size 874386885
final_merged_data.csv ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:b58ea5664de05d3e0959d60b5c1f828dfff1b859fe27bd09504c8cf96fbce1f1
3
+ size 105941947
ml.ipynb ADDED
The diff for this file is too large to render. See raw diff
 
model_features.pkl ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:112d350224a478b33bec0fe3a69bb4b3606b0dc983fa24285d5feb2c67a1cbaa
3
+ size 140
readme.md ADDED
@@ -0,0 +1,58 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ ## `.pkl` 文件是什么?
2
+
3
+ PKL = Pickle,是 Python 的一种序列化格式。
4
+
5
+ 简单理解:就是把一个 Python 对象(比如训练好的模型)**"冷冻"保存**到硬盘上,
6
+ 需要的时候再**"解冻"**加载回来,完全不需要重新训练。
7
+
8
+ ---
9
+
10
+ ## 两个文件分别存了什么?
11
+
12
+ ### `bike_availability_model.pkl`
13
+ - 存储了训练好的 Random Forest 模型
14
+ - 包含所有学习到的决策树、权重等信息
15
+ - 加载后可以直接调用 `.predict()` 进行预测
16
+
17
+ ### `model_features.pkl`
18
+ - 存储了特征列表:`['station_id', 'capacity', 'lat', 'lon', 'hour', 'day', 'day_of_week', 'is_weekend', 'avg_temperature', 'avg_humidity', 'avg_pressure']`
19
+ - 确保预测时特征的**顺序和名称**与训练时完全一致
20
+ - 顺序错了预测结果就会出错
21
+
22
+ ---
23
+
24
+ ## 如何在 Flask 中使用?
25
+ ```python
26
+ import pickle
27
+ import pandas as pd
28
+
29
+ # 1. 加载模型和特征列表(Flask启动时执行一次)
30
+ with open('bike_availability_model.pkl', 'rb') as f:
31
+ model = pickle.load(f)
32
+
33
+ with open('model_features.pkl', 'rb') as f:
34
+ features = pickle.load(f)
35
+
36
+ # 2. 预测时使用
37
+ def predict_bikes(station_id, capacity, lat, lon,
38
+ hour, day, day_of_week, is_weekend,
39
+ avg_temperature, avg_humidity, avg_pressure):
40
+
41
+ # 构造输入数据,顺序必须与features一致
42
+ input_data = pd.DataFrame([{
43
+ 'station_id': station_id,
44
+ 'capacity': capacity,
45
+ 'lat': lat,
46
+ 'lon': lon,
47
+ 'hour': hour,
48
+ 'day': day,
49
+ 'day_of_week': day_of_week,
50
+ 'is_weekend': is_weekend,
51
+ 'avg_temperature': avg_temperature,
52
+ 'avg_humidity': avg_humidity,
53
+ 'avg_pressure': avg_pressure
54
+ }])[features] # 用features确保列顺序正确
55
+
56
+ prediction = model.predict(input_data)
57
+ return int(round(prediction[0]))
58
+ ```