* PercentileDefs1 Example;
* Compute percentiles for a small dataset using
  the 5 percentile definitions available in SAS;

options linesize=70 nodate pageno=1
        formchar="|----|+|---+=|-/\<>*";
data primes10;
   input x @@;
   datalines;
2 3 5 7 11 13 17 19 23 29
;

proc means n p25 p50 p75 pctldef=1;
   title 'N = 10 Percentile Definition 1';

proc means n p25 p50 p75 pctldef=2;
   title 'N = 10 Percentile Definition 2';

proc means n p25 p50 p75 pctldef=3;
   title 'N = 10 Percentile Definition 3';

proc means n p25 p50 p75 pctldef=4;
   title 'N = 10 Percentile Definition 4';

proc means n p25 p50 p75 pctldef=5;
   title 'N = 10 Percentile Definition 5';
run;

data primes10;
   input x @@;
   datalines;
2 3 5 7 11 13 17 19 23 29 31
;

proc means n p25 p50 p75 pctldef=1;
   title 'N = 11 Percentile Definition 1';

proc means n p25 p50 p75 pctldef=2;
   title 'N = 11 Percentile Definition 2';

proc means n p25 p50 p75 pctldef=3;
   title 'N = 11 Percentile Definition 3';

proc means n p25 p50 p75 pctldef=4;
   title 'N = 11 Percentile Definition 4';

proc means n p25 p50 p75 pctldef=5;
   title 'N = 11 Percentile Definition 5';
run;
quit;