【发布时间】:2022-09-23 21:45:02
【问题描述】:
import this
import numpy as np
import pandas as pd
df = pd.read_csv(\'try2_6stations.csv\')
# 1)
parse_dates = [\"Datetime\"],index_col=(\'Datetime\'))
# or
# 2) df[\'Datetime\'] = pd.to_datetime(df.Datetime)
print(df.info())
print(df.describe())
df[\'year\'] = pd.DatetimeIndex(air_quality_raw_df.Datetime).year
df[\'month\'] = pd.DatetimeIndex(air_quality_raw_df.Datetime).month
df[\'day\'] = pd.DatetimeIndex(air_quality_raw_df.Datetime).day
df[\'Category1\'] = df[\'Category1\'].astype(\'category\')
df[\'Category2\'] = df[\'Category2\'].astype(\'category\')
df[\'Category3\'] = df[\'Category3\'].astype(\'category\')
当我应用 groupby 或 resample 函数时,我得到了错误的答案!
TIA 寻求处理此类数据的建议!
标签: python python-3.x pandas