python pandas convert column to int code example
Example 1: convert column to numeric pandas
df = df.apply(pd.to_numeric)
df[["a", "b"]] = df[["a", "b"]].apply(pd.to_numeric)
Example 2: change dataframe column type
>>> df.astype({'col1': 'int32'}).dtypes
col1 int32
col2 int64
dtype: object
Example 3: pandas change to numeric
>>> s = pd.Series(["8", 6, "7.5", 3, "0.9"])
>>> s
0 8
1 6
2 7.5
3 3
4 0.9
dtype: object
>>> pd.to_numeric(s)
0 8.0
1 6.0
2 7.5
3 3.0
4 0.9
dtype: float64
Example 4: convert a pandas column to int
my_series = pd.to_numeric(my_series)
df["a"] = pd.to_numeric(df["a"])