Documentation Example 8 for PROC FREQ
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: FREQEX8 */
/* TITLE: Documentation Example 8 for PROC FREQ */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: categorical data analysis, */
/* KEYS: measures of association, confidence limits, */
/* KEYS: Cochran-Armitage trend test, exact test, */
/* KEYS: ODS Graphics, stacked bar chart */
/* PROCS: FREQ */
/* DATA: */
/* */
/* SUPPORT: sasdlw UPDATE: January 28, 2011 */
/* REF: PROC FREQ, Example 8 */
/* MISC: */
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/* Cochran-Armitage Trend Test ---------------------------------*/
data pain;
input Dose Adverse $ Count @@;
datalines;
0 No 26 0 Yes 6
1 No 26 1 Yes 7
2 No 23 2 Yes 9
3 No 18 3 Yes 14
4 No 9 4 Yes 23
;
ods graphics on;
proc freq data=Pain;
tables Adverse*Dose / trend measures cl
plots=mosaicplot;
test smdrc;
exact trend / maxtime=60;
weight Count;
title 'Clinical Trial for Treatment of Pain';
run;
ods graphics off;