输出预测结果
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" project-jdk-name="pytorch_gpu" project-jdk-type="Python SDK" />
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<component name="ProjectRootManager" version="2" project-jdk-name="C:\anaconda\envs\pytorch" project-jdk-type="Python SDK" />
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</project>
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import pandas as pd
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from sklearn.model_selection import train_test_split
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import os
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from sklearn.metrics import r2_score
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import xgboost as xgb
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import matplotlib.pyplot as plt
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pd.set_option('display.width',None)
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def normal(s1):
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high = s1.describe()['75%'] + 1.5*(s1.describe()['75%']-s1.describe()['25%'])
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low = s1.describe()['25%'] - 1.5 * (s1.describe()['75%'] - s1.describe()['25%'])
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return s1[(s1>=low)&(s1<=high)]
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df = pd.read_csv('区县400v入模数据.csv',encoding='gbk',index_col='dtdate')
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df.index = pd.to_datetime(df.index)
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print(df.head())
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# org_name = df['org_name'].values[0]
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org_name = ' 国网温岭市供电公司 '
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data = df[df['org_name']==org_name]
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data = data.loc[normal(data['0.4kv及以下']).index]
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print(data)
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X = data.drop(columns=['city_name','org_name','0.4kv及以下'])
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x = X.loc['2022-1':'2023-7']
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x_eval = X.loc['2023-8']
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y = data['0.4kv及以下'].loc['2022-1':'2023-7']
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y_eval = data['0.4kv及以下'].loc['2023-8']
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plt.plot(range(len(y)),y)
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plt.show()
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x_train,x_test,y_train,y_test = train_test_split(x,y,test_size=0.3,random_state=42)
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model = xgb.XGBRegressor(max_depth=6,learning_rate=0.05,n_estimators=150)
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model.fit(x_train,y_train)
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pred = model.predict(x_test)
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print(r2_score(pred,y_test))
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predict = model.predict(x_eval)
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result = pd.DataFrame({'real':y_eval,'pred':predict},index=y_eval.index)
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print(result)
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print((result['real'][-3:]-result['pred'][-3:]).sum()/result['real'].sum())
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import os
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import pandas as pd
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df = pd.read_csv(r'C:\Users\鸽子\Desktop\浙江各区县数据(2).csv')
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df.columns = df.columns.map(lambda x:x.strip())
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df['市'] = df['市'].str[:2]
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df = df[['市','org_name','日期','0.4kv及以下']]
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df['日期'] = pd.to_datetime(df['日期'])
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print(df)
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wd_file = 'C:\python-project\p1031\入模数据'
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df_wd = pd.DataFrame({})
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for city in os.listdir(wd_file):
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data = pd.read_excel(os.path.join(wd_file,city)).drop(columns='售电量')
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data['city_name'] = data['city_name'].str[:2]
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df_wd = pd.concat([df_wd,data])
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print(df_wd)
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df_wd['dtdate'] = pd.to_datetime(df_wd['dtdate'])
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df = pd.merge(df,df_wd,left_on=['日期','市'],right_on=['dtdate','city_name'])
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df = df[['city_name','org_name','dtdate','tem_max','tem_min','holiday','24ST','0.4kv及以下']]
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df['0.4kv及以下'] /= 10000
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df.to_csv('区县400v入模数据.csv',index=False,encoding='GBK')
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print(df)
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