convert a string column to int in pandas code example

Example 1: make string numeric pandas

df['DataFrame Column'] = df['DataFrame Column'].astype(int)

Example 2: convert pandas series from str to int

df['DataFrame Column'] = pd.to_numeric(df['DataFrame Column'])

Example 3: 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"])