Below is the table.
Required to be output should be the highest number of each student_id.
Example.
Student_id Subject Marks
1 Hindi 86
2 Hindi 70
3 English 80
.
Calculate sum and average marks for each group of student_id
Example.
Student_id Subject Marks Total Marks Average
1 English 40 181 60.33333
2 English 67 196 65.33333
3 English 80 160 53.33333
PLEASE PROVIDE THE CODE OF ABOVE PROBLEMS
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Answer Posted / chaudhary_1989
data a;
input id sub$ marks;
cards;
1 Hindi 86
2 Hindi 70
3 Hindi 80
1 English 80
2 English 34
3 English 39
1 Maths 28
2 Maths 45
3 Maths 12
;
run;
proc sort data = a out=b;
by id descending marks;
run;
data c (drop=total_marks) d;
set b;
by id descending marks;
if first.id then output c;
if first.id then total_marks=marks;
else total_marks+marks;
if last.id then output d;
run;
proc print; run;
proc means data = a mean max sum;
class id;
var marks;
output out=df;
run;
proc means data = a noprint nway;
class id;
var marks;
output out=df sum= mean= max= /autoname;
run;
proc print; run;
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