change dataframe column type
>>> df.astype({'col1': 'int32'}).dtypes col1 int32 col2 int64 dtype: object
change dataframe column type
>>> df.astype({'col1': 'int32'}).dtypes col1 int32 col2 int64 dtype: object
convert a pandas column to int
# convert Series my_series = pd.to_numeric(my_series) # convert column "a" of a DataFrame df["a"] = pd.to_numeric(df["a"])
set column datatype pandas
df = pd.read_csv("weather.tsv", sep="\t", dtype={'Day': str,'Wind':int64}) df.dtypes
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