[R] Multidimensional contingency tables

From: Robert A. LaBudde <ral_at_lcfltd.com>
Date: Mon, 21 Apr 2008 22:46:26 -0400


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

E.g.:

> 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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