create macros---you have 365 number of data and you need to
merge it throw the macros,,,,,,
data file1;
input a @@;
cards;
1 2 3 4
;
run;
data file2;
input a @@;
cards;
5 6 7 8
;
run;
data file3;
input a @@;
cards;
9 10 11 12
;
run;data file4;
input a @@;
cards;
13 14 15 16
;
run;