h****i
发帖数: 79 | 1 Does anyone know how to write a SAS code to get the increasement data from
culmulated data?
That is: suppose x is a SAS variable contains year_to_date counts for 12
months, how to get the value of y that is the increases of x from month to
month?
will thank with "Baozi" |
s******r
发帖数: 1524 | 2 Not sure I got you.
data b;set a;
y=x-lag(x);
run;
【在 h****i 的大作中提到】
: Does anyone know how to write a SAS code to get the increasement data from
: culmulated data?
: That is: suppose x is a SAS variable contains year_to_date counts for 12
: months, how to get the value of y that is the increases of x from month to
: month?
: will thank with "Baozi"
|
c*****t
发帖数: 1712 | |
h****i
发帖数: 79 | 4 That's good.
Thanks.
Will ask "Banzhu" to give you "Baozi". |
s*********r
发帖数: 909 | 5 In this case, y in the first obs will be a missing value.
【在 s******r 的大作中提到】
: Not sure I got you.
: data b;set a;
: y=x-lag(x);
: run;
|
s******r
发帖数: 1524 | 6 If not missing, how you define one record without previous history?
【在 s*********r 的大作中提到】
: In this case, y in the first obs will be a missing value.
|
d*******o
发帖数: 493 | 7 data b;set a;
if _n_ = 1 then y = 0;
y=x-lag(x);
run; |
h****i
发帖数: 79 | 8 包子一个已奉上。
【在 s******r 的大作中提到】
: Not sure I got you.
: data b;set a;
: y=x-lag(x);
: run;
|
p********a
发帖数: 5352 | 9 Baozi to whom?
【在 h****i 的大作中提到】
: That's good.
: Thanks.
: Will ask "Banzhu" to give you "Baozi".
|
