Proc Format

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Proc Format


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"

;


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‎10-15-2012 06:26 PM
Super User
Posts: 19,806

Re: Proc Format

Posted in reply to robertrao

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;

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Super User
Posts: 11,343

Re: Proc Format

Posted in reply to robertrao

You are currently making a STRING format, Change the value statement to: value graftsfmt

to allow use with numeric variables.

Super Contributor
Posts: 1,041

Re: Proc Format

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"

;

Solution
‎10-15-2012 06:26 PM
Super User
Posts: 19,806

Re: Proc Format

Posted in reply to robertrao

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;

PROC Star
Posts: 1,167

Re: Proc Format

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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