[R] Multidimensional contingency tables

Robert A. LaBudde ral at lcfltd.com
Tue Apr 22 04:46:26 CEST 2008

How does one ideally handle and display multidimenstional contingency 
tables in R v. 2.6.2?


 > prob1<- data.frame(victim=c(rep('white',4),rep('black',4)),
+   perp=c(rep('white',2),rep('black',2),rep('white',2),rep('black',2)),
+   death=rep(c('yes','no'),4), count=c(19,132,11,52,0,9,6,97))
 > prob1
   victim  perp death count
1  white white   yes    19
2  white white    no   132
3  white black   yes    11
4  white black    no    52
5  black white   yes     0
6  black white    no     9
7  black black   yes     6
8  black black    no    97

The xtabs() function doesn't seem appropriate, as it has no means of 
using 'count'.

This must be a common problem.

Robert A. LaBudde, PhD, PAS, Dpl. ACAFS  e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd.            URL: http://lcfltd.com/
824 Timberlake Drive                     Tel: 757-467-0954
Virginia Beach, VA 23464-3239            Fax: 757-467-2947

"Vere scire est per causas scire"

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