Answers for "replace columns in dataset pandas"

15

replace column values pandas

df['column'] = df['column'].str.replace(',','-')
df
Posted by: Guest on February-25-2020
1

how to replace values in column pandas

# importing pandas as pd
import pandas as pd
  
# Making data frame from the csv file
df = pd.read_csv("nba.csv")
  
# this will replace "Boston Celtics" and "Texas" with "Omega Warrior"
df.replace(to_replace =["Boston Celtics", "Texas"], 
                            value ="Omega Warrior")
Posted by: Guest on May-09-2021
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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