Answers for "create a new column in dataframe in r filled with addidion of two columns"

2

pandas dataframe add two columns int and string

df1 = df['1st Column Name'].map(str) + df['2nd Column Name'].map(str) + ...
Posted by: Guest on June-18-2020
0

Adding a new column in pandas dataframe from another dataframe with different index

merge(left, right, how='left', on=None, left_on=None, right_on=None,
      left_index=False, right_index=False, sort=True,
      suffixes=('_x', '_y'), copy=True)
Posted by: Guest on January-13-2021

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