topic Re: replace with last observation data in SAS Programming

replace with last observation data

davidnamh — Mon, 24 Mar 2014 05:09:20 GMT

Hello, I would like to replace value in the amount with last observation amount value when only the description is "r" or "ra" within same account. Could you please help me how to do that ? Thank you so much !

data have;

infile datalines delimiter=',';

input account description $ amount;

datalines;

123,a,0

123,r,1 /**<- replace with last value (30) when "r" or "ra" */

123,r,20 /**<- replace with last value (30) when "r" or "ra" */

123,ra,30

123,w,4

234,b,1

234,c,20

234,ra,400 /**<- replace with last value (200) when "r" or "ra" */

234,r,200

234,c,200

;

run;

data want;

infile datalines delimiter=',';

input account description $ amount;

datalines;

123,a,0

123,r,30

123,ra,30

123,w,4

234,b,1

234,c,20

234,ra,200

234,r,200

234,c,200

;

run;

Re: replace with last observation data

TarunKumar — Mon, 24 Mar 2014 05:19:55 GMT

there is huge diff in input data and ouput data. pls check and pos your requirement again.

for eg 123,r,30 and 234,r,300 is not avilable in have data set.

Re: replace with last observation data

davidnamh — Mon, 24 Mar 2014 05:23:53 GMT

HI TarunKumar,

I have updated my codes for your review. Thanks !

Re: replace with last observation data

pradeepalankar — Mon, 24 Mar 2014 08:40:14 GMT

data have;

infile datalines delimiter=',';

input account description $ amount;

datalines;

123,a,0

123,r,1

123,r,20

123,ra,30

123,w,4

234,b,1

234,c,20

234,ra,400

234,r,200

234,c,200

;

run;

data test;

set have(where =(description in ('r','ra')));

by account;if last.account then output ;run;

proc sql;

update have

set amount=(select amount from test where test.account=have.account )

where have.description in ('r','ra');

quit;

Re: replace with last observation data

davidnamh — Tue, 25 Mar 2014 14:58:20 GMT

Thank you so much pradeepalankar !