输出预测结果

main
鸽子 1 year ago
parent 396f1f2758
commit 9112c8177e

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" project-jdk-name="pytorch_gpu" project-jdk-type="Python SDK" />
<component name="ProjectRootManager" version="2" project-jdk-name="C:\anaconda\envs\pytorch" project-jdk-type="Python SDK" />
</project>

@ -2,7 +2,7 @@
<module type="PYTHON_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$" />
<orderEntry type="jdk" jdkName="pytorch_gpu" jdkType="Python SDK" />
<orderEntry type="jdk" jdkName="C:\anaconda\envs\pytorch" jdkType="Python SDK" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

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import pandas as pd
from sklearn.model_selection import train_test_split
import os
from sklearn.metrics import r2_score
import xgboost as xgb
import matplotlib.pyplot as plt
pd.set_option('display.width',None)
def normal(s1):
high = s1.describe()['75%'] + 1.5*(s1.describe()['75%']-s1.describe()['25%'])
low = s1.describe()['25%'] - 1.5 * (s1.describe()['75%'] - s1.describe()['25%'])
return s1[(s1>=low)&(s1<=high)]
df = pd.read_csv('区县400v入模数据.csv',encoding='gbk',index_col='dtdate')
df.index = pd.to_datetime(df.index)
print(df.head())
# org_name = df['org_name'].values[0]
org_name = ' 国网温岭市供电公司 '
data = df[df['org_name']==org_name]
data = data.loc[normal(data['0.4kv及以下']).index]
print(data)
X = data.drop(columns=['city_name','org_name','0.4kv及以下'])
x = X.loc['2022-1':'2023-7']
x_eval = X.loc['2023-8']
y = data['0.4kv及以下'].loc['2022-1':'2023-7']
y_eval = data['0.4kv及以下'].loc['2023-8']
plt.plot(range(len(y)),y)
plt.show()
x_train,x_test,y_train,y_test = train_test_split(x,y,test_size=0.3,random_state=42)
model = xgb.XGBRegressor(max_depth=6,learning_rate=0.05,n_estimators=150)
model.fit(x_train,y_train)
pred = model.predict(x_test)
print(r2_score(pred,y_test))
predict = model.predict(x_eval)
result = pd.DataFrame({'real':y_eval,'pred':predict},index=y_eval.index)
print(result)
print((result['real'][-3:]-result['pred'][-3:]).sum()/result['real'].sum())

@ -0,0 +1,24 @@
import os
import pandas as pd
df = pd.read_csv(r'C:\Users\鸽子\Desktop\浙江各区县数据(2).csv')
df.columns = df.columns.map(lambda x:x.strip())
df[''] = df[''].str[:2]
df = df[['','org_name','日期','0.4kv及以下']]
df['日期'] = pd.to_datetime(df['日期'])
print(df)
wd_file = 'C:\python-project\p1031\入模数据'
df_wd = pd.DataFrame({})
for city in os.listdir(wd_file):
data = pd.read_excel(os.path.join(wd_file,city)).drop(columns='售电量')
data['city_name'] = data['city_name'].str[:2]
df_wd = pd.concat([df_wd,data])
print(df_wd)
df_wd['dtdate'] = pd.to_datetime(df_wd['dtdate'])
df = pd.merge(df,df_wd,left_on=['日期',''],right_on=['dtdate','city_name'])
df = df[['city_name','org_name','dtdate','tem_max','tem_min','holiday','24ST','0.4kv及以下']]
df['0.4kv及以下'] /= 10000
df.to_csv('区县400v入模数据.csv',index=False,encoding='GBK')
print(df)
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