Dear,
In my program, the COUNTW function counts words as 1 when the values are missing. How to avoid. Please suggest. i am getting dtf='M' when date is missing.
output needed
id date dtf
1 2018-08-29
2 2018-08 D
3 2018 M
4
output getting
id date dtf
1 2018-08-29
2 2018-08 D
3 2018 M
4 M
data one;
input id date $10.;
datalines;
1 2018-08-29
2 2018-08
3 2018
4
;
data two;
set one;
dtf=choosec(countw(date, "-"),"M", "D", " ");
aaa=countw(date, "-");
run;
HI @knveraraju91 You can use the T modifier for countw to count missings as 0.
aaa=countw(date, "-",'t');
You could just switch to using COUNTC() to count the number of hyphens.
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