Use `withColumn`. It will replace a column if you give it the same name.
On Tue, Jun 21, 2016 at 4:16 AM, pseudo oduesp
wrote:
> Hi ,
> with fillna we can select some columns to perform replace some values
> with chosing columns with dict
> {columns :values }
> but how i can do same with c
Hi ,
with fillna we can select some columns to perform replace some values
with chosing columns with dict
{columns :values }
but how i can do same with cast i have data frame with 300 columns and i
want just cats 4 from list columns but with select query like that :
df.select(columns1.cast(i