It is numeric or character type variable ? data have; infile cards truncover; input Name $ Col1 Col2 Col3 Col4; cards; ABC 1245 7890 . 1290 XRT 5634 2384 1276 UTR 6734 5689 6365 1251 ; run; data want; set have; array x{*} col1-col4; array y{*} new1-new4; call sortn(of x{*}); n=0; do i=1 to dim(x); if not missing(x{i}) then do;n+1;y{n}=x{i};end; end; drop n i col:; run;
data want;
set have;
array cols {*} col1-col4;
do i = dim(cols) - 1 to 1 by -1;
if cols{i} = . and cols{i+1} ne . then cols{i} = cols{i+1};
end;
drop i;
run;
PS if col1 to colX are of type character, use ' ' instead of the dot for a missing value.
Edit: added "by -1" in the do statement.
It is numeric or character type variable ? data have; infile cards truncover; input Name $ Col1 Col2 Col3 Col4; cards; ABC 1245 7890 . 1290 XRT 5634 2384 1276 UTR 6734 5689 6365 1251 ; run; data want; set have; array x{*} col1-col4; array y{*} new1-new4; call sortn(of x{*}); n=0; do i=1 to dim(x); if not missing(x{i}) then do;n+1;y{n}=x{i};end; end; drop n i col:; run;
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