Answers for "how to change columns in pandas"

3

python: change column name

df = df.rename(columns = {'myvar':'myvar_new'})
Posted by: Guest on July-16-2020
10

df change column names

df.rename(columns={"A": "a", "B": "b", "C": "c"},
errors="raise", inplace=True)
Posted by: Guest on March-12-2020
1

how to change the columns of a dataframe in python

new_columns = {"col1": "1st", "col2": "2nd"}
df_new = df.rename(columns=new_columns)

"""
 col1 | col2 | col3            1st | 2nd | col3
   a  |   d  |	 g              a  |  d  |  g
   b  |   e  |   h		=>      b  |  e  |  h
   c  |   f  |   i              c  |  f  |  i
"""
Posted by: Guest on March-14-2021

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