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forAllBright/添加标题行.py

Last active May 4, 2018 06:32
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Python DataFrame基本操作 #Python #Pandas
Raw
添加标题行.py
# 读取 csv 文件，添加标题行
mobi = r"/Users/pmz/Project/MOBIKE_CUP_2017/225W.csv"
df = pd.read_csv(mobi,header=0,names=['time','number'])
print(df.head())
Raw
转为2维列表.py
#查看 df 的类型详情
df.dtypes
#取出两列，转换为二维列表
filter1 = filter1[['time_stamp','hot']] #将 dataframe 转化成二维列表，列表外层元素是一行
lis = np.array(filter1).tolist()
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