i want to change negative values to positive in a column of dataframe

Asked Oct 29 '17 at 07:37

Active Oct 29 '17 at 07:40

Viewed 6,949 times

i tried by using loop but it didnt get updated to the df

a=df['differnce']  
for row,value in enumerate(a):
    if(value>0):
        value==value
    else:
        value=-value
    print(value)

output came what i wanted but it does not get updated to the df o/p by loop

edited Oct 29 '17 at 07:40

cs95

asked Oct 29 '17 at 07:37

tarun

Can you please use full stops and line breaks when writing sentences? Thanks. Also, please format your posts properly in future. – cs95 Oct 29 '17 at 07:38
Also, use `abs`: `df['difference'] = df['differnce'].abs()` – cs95 Oct 29 '17 at 07:39

0 Answers0