feat: 完成共享单车课程设计
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outputs/analysis_summary.json
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100
outputs/analysis_summary.json
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{
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"data": {
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"rows": 731,
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"columns": 16,
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"future_rows": 100,
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"missing": {
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"季节": 0,
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"年": 0,
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"月": 0,
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"星期": 0,
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"体感温度": 0,
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"湿度": 0,
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"风速": 0,
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"总骑行量": 0
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},
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"duplicate_dates": 0,
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"target_min": 22,
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"target_max": 8714,
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"target_mean": 4504.3488372093025
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},
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"initial_comparison": [
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{
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"模型": "梯度提升树",
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"RMSE": 651.1440567037434,
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"MAE": 448.99523765137667,
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"R2": 0.8942640825672749
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},
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{
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"模型": "随机森林",
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"RMSE": 703.9966504917254,
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"MAE": 450.0664823777129,
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"R2": 0.8764025354772573
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},
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{
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"模型": "支持向量回归",
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"RMSE": 738.1033329574317,
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"MAE": 529.5340809792003,
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"R2": 0.8641365279788986
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},
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{
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"模型": "线性回归",
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"RMSE": 796.4617765623753,
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"MAE": 583.0197588300691,
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"R2": 0.8418029967286178
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},
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{
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"模型": "神经网络",
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"RMSE": 809.7923656712804,
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"MAE": 609.9584660642089,
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"R2": 0.836463110808386
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}
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],
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"best_model": "梯度提升树",
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"best_test_metrics": {
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"模型": "梯度提升树",
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"RMSE": 651.1440567037434,
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"MAE": 448.99523765137667,
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"R2": 0.8942640825672749
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},
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"cross_validation": {
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"模型": "梯度提升树",
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"RMSE均值": 655.1166606641779,
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"RMSE标准差": 42.75460340121525,
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"MAE均值": 466.577603572732,
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"MAE标准差": 14.719481812429436,
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"R2均值": 0.8818566774188483,
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"R2标准差": 0.023087453303387278
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},
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"importance_method": "GradientBoostingRegressor 内置重要性",
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"top_features": {
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"气温": 0.38973625494728426,
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"年": 0.2984069767787937,
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"季节": 0.0932052430981216,
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"体感温度": 0.07101028400532663,
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"月": 0.01607120463407045
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},
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"future_prediction": {
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"min": 1319,
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"max": 6025,
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"mean": 3775.15
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},
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"outputs": {
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"figures": [
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"/root/bike_course_design/outputs/figures/actual_vs_predicted.png",
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"/root/bike_course_design/outputs/figures/feature_importance.png",
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"/root/bike_course_design/outputs/figures/future_prediction_trend.png",
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"/root/bike_course_design/outputs/figures/historical_trend.png",
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"/root/bike_course_design/outputs/figures/residual_distribution.png"
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],
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"best_model": "/root/bike_course_design/outputs/models/best_bike_demand_model.pkl",
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"prediction_excel": "/root/bike_course_design/outputs/2013前100天骑行量预测结果.xlsx"
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}
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}
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