[R] Reverse the scoring of some Columns of a Data Set

[Jeff Newmiller]

Perhaps

dta <- cbind( dta[ rev( seq.int( nrow( dta ) ) ), 1:3 ], dta[ , 4, drop=FALSE ] )

?
-- 
Sent from my phone. Please excuse my brevity.

On March 8, 2017 6:14:25 AM PST, AbouEl-Makarim Aboueissa <abouelmakarim1962 at gmail.com> wrote:
>Dear All: goods morning
>
>Is there is a way to reverse the scoring of the first three columns x1,
>x2,
>and x3 and keep the original scores for the fourth column x4.
>
>
>*Here is an example of the data set:*
>
>x1 x2 x3 x4
>2  5   4   4
>1  1   1   6
>1  2   1   6
>2  3   2   4
>1  2   1   6
>1  3   1   6
>2  2   2   5
>2  1   1   6
>2  2   4   5
>5  5   2   1
>
>I am expecting the output to be:
>x1 x2 x3 x4
>5  5   2   4
>2  2   4   6
>2  1   1   6
>2  2   2   4
>1  3   1   6
>1  2   1   6
>2  3   2   5
>1  2   1   6
>1  1   1   5
>2  5   4   1
>
>
>
>thank you very much for your help and support
>abou
>______________________
>AbouEl-Makarim Aboueissa, PhD
>Department of Mathematics and Statistics
>University of Southern Maine
>
>	[[alternative HTML version deleted]]
>
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