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SASdevAnneMarie
Barite | Level 11

Hello Experts,

 

I'm wondering how to take the value from a precedent raw. The lag function doesn't work.

I have joined the data.

SASdevAnneMarie_0-1710096753921.png

Thank you very much for your help.

1 ACCEPTED SOLUTION

Accepted Solutions
FreelanceReinh
Jade | Level 19

Hello  @SASdevAnneMarie,

 


@SASdevAnneMarie wrote:

The lag function doesn't work.

I guess you mean that values are carried over from one BY group to the next. But this can be avoided:

data want;
set have;
by numero code2;
MT2_CORR_befor=ifn(first.code2,.,lag(MT_2_CORR));
run;

View solution in original post

3 REPLIES 3
Mazi
Quartz | Level 8
Could you elaborate, what do you mean when you say the lag function does not work?

Mind showing what you’ve tried?
FreelanceReinh
Jade | Level 19

Hello  @SASdevAnneMarie,

 


@SASdevAnneMarie wrote:

The lag function doesn't work.

I guess you mean that values are carried over from one BY group to the next. But this can be avoided:

data want;
set have;
by numero code2;
MT2_CORR_befor=ifn(first.code2,.,lag(MT_2_CORR));
run;
SASdevAnneMarie
Barite | Level 11
Thank you !

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