On Mar 13, 2014, at 10:19 AM, Stefano Sofia
wrote:
> Dear list users,
> I have two data frames df1 and df2, where the columns of df1 are
>
> Sensor_RM Place_RM Station_RM Y_init_RM M_init_RM D_init_RM Y_fin_RM M_fin_RM
> D_fin_RM
>
> and the columns of df2 are
>
> Sensor_RM Station_RM Place
You have duplicates after merging because, although you know they are the
same, the R merge() function does not. And the people who wrote that
function knew that sometimes two columns with the same name are not
identical.
Since you know that the columns are identical, drop the column from one of
t
Dear list users,
I have two data frames df1 and df2, where the columns of df1 are
Sensor_RM Place_RM Station_RM Y_init_RM M_init_RM D_init_RM Y_fin_RM M_fin_RM
D_fin_RM
and the columns of df2 are
Sensor_RM Station_RM Place_RM Province_RM Region_RM Net_init_RM
GaussBoaga_EST_RM GaussBoaga_NORD_
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