Documentation Example 10 for PROC FREQ
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: FREQEX10 */
/* TITLE: Documentation Example 10 for PROC FREQ */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: categorical data analysis, */
/* KEYS: measures of agreement, McNemar's test, */
/* KEYS: kappa statistics, Cochran's Q */
/* PROCS: FREQ */
/* DATA: */
/* */
/* SUPPORT: sasdlw UPDATE: January 28, 2011 */
/* REF: PROC FREQ, Example 10 */
/* MISC: */
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/* Cochran's Q Test --------------------------------------------*/
proc format;
value $ResponseFmt 'F'='Favorable'
'U'='Unfavorable';
run;
data drugs;
input Drug_A $ Drug_B $ Drug_C $ Count @@;
datalines;
F F F 6 U F F 2
F F U 16 U F U 4
F U F 2 U U F 6
F U U 4 U U U 6
;
proc freq data=Drugs;
tables Drug_A Drug_B Drug_C / nocum;
tables Drug_A*Drug_B*Drug_C / agree noprint;
format Drug_A Drug_B Drug_C $ResponseFmt.;
weight Count;
title 'Study of Three Drug Treatments for a Chronic Disease';
run;