sort the input12dataset .First by number in ascending and second by income in descending order.Using input12 dataset with by group processing create test data from the input12 dataset
test 2 dataset must contain only one observation with highest income from each group of distint number value
MY CODE:
proc sort data=input12 out=test;
by number descending income;
run;
data test;
set test;
by number;
if first.number;
run;
Works, but I would specify the sorting order in want to make sure
data have;
infile datalines;
input number income;
datalines;
1 100
1 130
1 120
1 110
2 250
2 200
3 300
4 420
4 410
4 430
4 440
4 450
5 530
5 520
5 510
5 500
8 800
;
run;
proc sort data=have out=haves;
by number descending income;
run;
data want;
set haves;
by number descending income;
if first.number;
run;
- Cheers -
Works, but I would specify the sorting order in want to make sure
data have;
infile datalines;
input number income;
datalines;
1 100
1 130
1 120
1 110
2 250
2 200
3 300
4 420
4 410
4 430
4 440
4 450
5 530
5 520
5 510
5 500
8 800
;
run;
proc sort data=have out=haves;
by number descending income;
run;
data want;
set haves;
by number descending income;
if first.number;
run;
- Cheers -
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