pandas創建Dataframe

import numpy as np
import pandas as pd
import csv
import random

# 下面一段代碼生成一個用來模擬統計的表格
# simulation = pd.DataFrame(columns=('user_id', 'industry', 'category', 'click_times'))
# for i in range(100):
#     user_id = random.randint(1, 10)  # 閉區間
#     industry = random.randint(1, 5)
#     category = random.randint(1, 5)
#     click_times = random.randint(0, 3)
#     simulation.loc[i] = [user_id, industry, category, click_times]
# simulation.to_csv('../../txCTR/test/try/simulation.csv', index=False, sep=',')   # 保存到指定路徑，是否保存索引，分隔符  

結果如圖所示：