pandas(timestamp,groupby)メモ

import pandas  as pd

df=pd.read_csv("./data/hoge.csv")
print(df)

df["TIMESTAMP"]=pd.to_datetime(df["DATE"])
print(df["TIMESTAMP"].dt.year)
print(df["TIMESTAMP"].dt.month)
print(df["TIMESTAMP"].dt.weekday_name)

import pandas  as pd

df=pd.read_csv("./data/hoge.csv")
print(df)


for name, grouped_df in df.groupby("DATE"):
    print("")
    print("###",name)
    print(grouped_df)