怎样改变pandas dataframe数据类型?
把全部column (fileds) 改成float
df = df.astype(float)
怎样把pandas dataframe的一个column变成numpy array?
type(df['col1'])
# pandas.core.series.Series
type(df['col1'].to_numpy())
# numpy.ndarray
怎样改变pandas dataframe数据类型 ｜ How to change the data type of pandas dataframe
Tuesday, Oct 6, 2020 | 1 minute read | Updated at Tuesday, Oct 6, 2020