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@ -54,42 +54,42 @@ def data_preprocessing(data):
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return data
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# 拼接数据集
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file_dir = './浙江各地市行业电量数据'
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excel = os.listdir(file_dir)[0]
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data = pd.read_excel(os.path.join(file_dir, excel), sheet_name=0, index_col='stat_date')
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data.drop(columns='地市',inplace=True)
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data = data_preprocessing(data)
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df = data[data.columns[0]]
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df.dropna(inplace = True)
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dataset_x, dataset_y = create_dataset(df, DAYS_FOR_TRAIN)
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for level in data.columns[1:]:
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df = data[level]
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df.dropna(inplace=True)
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x, y = create_dataset(df, DAYS_FOR_TRAIN)
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dataset_x = np.concatenate((dataset_x, x))
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dataset_y = np.concatenate((dataset_y, y))
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for excel in os.listdir(file_dir)[1:]:
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data = pd.read_excel(os.path.join(file_dir,excel), sheet_name=0,index_col='stat_date')
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data.drop(columns='地市', inplace=True)
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data = data_preprocessing(data)
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for level in data.columns:
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df = data[level]
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df.dropna(inplace=True)
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x,y = create_dataset(df,DAYS_FOR_TRAIN)
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dataset_x = np.concatenate((dataset_x,x))
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dataset_y = np.concatenate((dataset_y,y))
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df_x_10 = pd.DataFrame(dataset_x)
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df_y_10 = pd.DataFrame(dataset_y)
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df_x_10.to_csv('df_x_10.csv',index=False)
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df_y_10.to_csv('df_y_10.csv',index=False)
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# file_dir = './浙江各地市行业电量数据'
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# excel = os.listdir(file_dir)[0]
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# data = pd.read_excel(os.path.join(file_dir, excel), sheet_name=0, index_col='stat_date')
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# data.drop(columns='地市',inplace=True)
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# data = data_preprocessing(data)
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#
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# df = data[data.columns[0]]
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# df.dropna(inplace = True)
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# dataset_x, dataset_y = create_dataset(df, DAYS_FOR_TRAIN)
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#
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# for level in data.columns[1:]:
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# df = data[level]
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# df.dropna(inplace=True)
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# x, y = create_dataset(df, DAYS_FOR_TRAIN)
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# dataset_x = np.concatenate((dataset_x, x))
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# dataset_y = np.concatenate((dataset_y, y))
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#
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#
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# for excel in os.listdir(file_dir)[1:]:
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#
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# data = pd.read_excel(os.path.join(file_dir,excel), sheet_name=0,index_col='stat_date')
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# data.drop(columns='地市', inplace=True)
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# data = data_preprocessing(data)
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#
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# for level in data.columns:
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# df = data[level]
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# df.dropna(inplace=True)
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# x,y = create_dataset(df,DAYS_FOR_TRAIN)
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# dataset_x = np.concatenate((dataset_x,x))
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# dataset_y = np.concatenate((dataset_y,y))
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#
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#
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# df_x_10 = pd.DataFrame(dataset_x)
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# df_y_10 = pd.DataFrame(dataset_y)
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# df_x_10.to_csv('df_x_10.csv',index=False)
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# df_y_10.to_csv('df_y_10.csv',index=False)
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dataset_x = pd.read_csv('df_x_10.csv').values
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dataset_y = pd.read_csv('df_y_10.csv').values
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print(dataset_x.shape,dataset_y.shape)
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@ -115,30 +115,31 @@ train_y = train_y.reshape(-1, 1, 3)
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train_x = torch.from_numpy(train_x).to(device).type(torch.float32)
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train_y = torch.from_numpy(train_y).to(device).type(torch.float32)
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model = LSTM_Regression(DAYS_FOR_TRAIN, 32, output_size=3, num_layers=2).to(device) # 导入模型并设置模型的参数输入输出层、隐藏层等
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train_loss = []
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loss_function = nn.MSELoss()
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optimizer = torch.optim.Adam(model.parameters(), lr=0.005, betas=(0.9, 0.999), eps=1e-08, weight_decay=0)
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min_loss = 1
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for i in range(500):
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train_x,train_y = train_x.to(device),train_y.to(device)
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out = model(train_x)
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loss = loss_function(out, train_y)
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loss.backward()
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optimizer.step()
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optimizer.zero_grad()
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train_loss.append(loss.item())
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if loss <= min_loss:
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min_loss = loss
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best_para = model.state_dict()
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if i % 100 == 0:
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print(f'epoch {i+1}: loss:{loss}')
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# 保存/读取模型
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torch.save(best_para,'hy3.pth')
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# for i in range(500):
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# train_x,train_y = train_x.to(device),train_y.to(device)
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# out = model(train_x)
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# loss = loss_function(out, train_y)
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# loss.backward()
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# optimizer.step()
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# optimizer.zero_grad()
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# train_loss.append(loss.item())
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#
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# if loss <= min_loss:
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# min_loss = loss
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# best_para = model.state_dict()
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# if i % 100 == 0:
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# print(f'epoch {i+1}: loss:{loss}')
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# # 保存/读取模型
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# torch.save(best_para,'hy3.pth')
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model = LSTM_Regression(DAYS_FOR_TRAIN, 32, output_size=3, num_layers=2).to(device)
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model.load_state_dict(torch.load('hy3.pth'))
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# 测试
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@ -171,7 +172,7 @@ for excel in os.listdir(file_dir):
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df_city = df_city.loc['2023-9'][:-3]
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city = df_city['地市'].iloc[0]
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result_dict = {}
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for industry in df_city.columns[2:]:
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for industry in df_city.columns[1:]:
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df_city[industry] = df_city[industry].astype('float')
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x, y = create_dataset(df_city[industry], 10)
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x = (x - min_value) / (max_value - min_value)
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@ -179,30 +180,14 @@ for excel in os.listdir(file_dir):
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x = torch.from_numpy(x).type(torch.float32).to(device)
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pred = model(x).view(-1)
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pred = pred * (max_value - min_value) + min_value
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result = pred.cpu().detach().numpy()[-5:-2]
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result = pred.cpu().detach().numpy()[-3:]
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result_dict[industry] = list(result)
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df = pd.DataFrame(result_dict,index=['2023-09-28','2023-09-29','2023-09-30'])
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df.to_excel(fr'C:\Users\user\Desktop\9月行业电量预测28-30\{city} .xlsx')
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print(time.time()-t1)
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print(result_dict)
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# 反归一化
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pred = pred * (max_value - min_value) + min_value
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df = df * (max_value - min_value) + min_value
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# 打印指标
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print(abs(pred - df[-3:]).mean() / df[-3:].mean())
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result_eight = pd.DataFrame({'pred': np.round(pred,1),'real': df[-3:]})
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target = (result_eight['pred'].sum() - result_eight['real'].sum()) / df[-31:].sum()
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result_eight['loss_rate'] = round(target, 5)
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result_eight['level'] = level
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list_app.append(result_eight)
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print(target)
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print(result_eight)
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final_df = pd.concat(list_app,ignore_index=True)
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final_df.to_csv('市行业电量.csv',encoding='gbk')
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print(final_df)
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