Is this format correct?
25th percentile is 5.2833
i want all the ones less than 25th percentile and
greater than or equal to 25th in the other???
proc format;
value $graftsfmt
0-<5.2833="<25th Percentile"
5.2833-high=">=25th Percentile"
;
Depends on what you mean by correct. It'll work but does it give you what you want.
You need to check it with either your data or some test data to see if it's what you want.
Here's a way to test it with sample data, notice the boundary value tests and then the negative numbers:
data test;
format a 20.8;
input a;
cards;
-2.345
3.2342
5.2381
5.2382
5.2382134
5.23825
5.2382767
5.2833
5.2833124
5.28335
5.28335789
5.2834
5.3432
6.2343
;
run;
proc format;
value graftsfmt
0-<5.2832="<25th Percentile"
5.2833-high=">=25th Percentile"
;
data want;
set test;
b=a;
format b graftsfmt.;
run;
proc freq data=want;
table a*b/missing;
run;
You are currently making a STRING format, Change the value statement to: value graftsfmt
to allow use with numeric variables.
Thanks for the reply....Other than that do you think this is also correct?
proc format;
value graftsfmt
0-<5.2832="<25th Percentile"
5.2833-high=">=25th Percentile"
;
Depends on what you mean by correct. It'll work but does it give you what you want.
You need to check it with either your data or some test data to see if it's what you want.
Here's a way to test it with sample data, notice the boundary value tests and then the negative numbers:
data test;
format a 20.8;
input a;
cards;
-2.345
3.2342
5.2381
5.2382
5.2382134
5.23825
5.2382767
5.2833
5.2833124
5.28335
5.28335789
5.2834
5.3432
6.2343
;
run;
proc format;
value graftsfmt
0-<5.2832="<25th Percentile"
5.2833-high=">=25th Percentile"
;
data want;
set test;
b=a;
format b graftsfmt.;
run;
proc freq data=want;
table a*b/missing;
run;
Also, I suggest setting the FUZZ to zero.
value graftsfmt (fuzz=0)
See the following for a fuller discussion:
https://communities.sas.com/message/141317#141317
Tom
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