For what purpose would you use the RETAIN statement?

1.	For what purpose would you use the RETAIN statement?
Answer» we can use CATX function for it. CATX function with a SERIES, Let’s say you want to concatenate the value of a VARIABLE; data a; sp='\|'; x1='a'; x2='b'; x3='c'; STRING=catx(sp,of x1-x3); run; proc print data=a; run; *output –* Obs sp x1 x2 x3 string 1 \| a b c a\|b\|c

Answer»

we can use CATX function for it. CATX function with a SERIES, Let’s say you want to concatenate the value of a VARIABLE;

data a; sp='|'; x1='a'; x2='b'; x3='c'; STRING=catx(sp,of x1-x3); run; proc print data=a; run;

output –

Obs sp x1 x2 x3 string 1 | a b c a|b|c

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