pandas apply function to column
df['a'] = df['a'].apply(lambda x: x + 1)
pandas apply function to column
df['a'] = df['a'].apply(lambda x: x + 1)
pandas apply function to dataframe
# iterate using this syntax where df is the pandas.DataFrame
# N. B.: a single tuple is composed by the row index
# and the values of the dataframe columns
for row in df.itertuples():
# do your stuff here
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