Pandas：数据类型转换

加载数据

import pandas as pd
df = pd.read_csv("D:\BaiduNetdiskDownload\data\sleep.csv")
df.head()

数据链接

https://download.csdn.net/download/qq_43494013/91336841?spm=1001.2014.3001.5503

df['age'] = df['age'].astype('int16')
df.dtypes

df.gender
df['gender'] = df['gender'].astype('category')
df.gender