Documentation Example 7 for PROC FREQ
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: FREQEX7 */
/* TITLE: Documentation Example 7 for PROC FREQ */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: categorical data analysis, */
/* KEYS: multiway frequency/crosstabulation tables, */
/* KEYS: Cochran-Mantel-Haenszel statistics, */
/* KEYS: common relative risks, Breslow-Day test, */
/* KEYS: ODS Graphics, relative risk plot */
/* PROCS: FREQ */
/* DATA: */
/* */
/* SUPPORT: sasdlw UPDATE: January 28, 2011 */
/* REF: PROC FREQ, Example 7 */
/* MISC: */
/****************************************************************/
/* Cochran-Mantel-Haenszel Statistics --------------------------*/
data Migraine;
input Gender $ Treatment $ Response $ Count @@;
datalines;
female Active Better 16 female Active Same 11
female Placebo Better 5 female Placebo Same 20
male Active Better 12 male Active Same 16
male Placebo Better 7 male Placebo Same 19
;
ods graphics on;
proc freq data=Migraine;
tables Gender*Treatment*Response /
relrisk plots(only)=relriskplot(stats) cmh noprint;
weight Count;
title 'Clinical Trial for Treatment of Migraine Headaches';
run;
ods graphics off;