From thomas@biostat.washington.edu  Fri Dec 15 18:50:29 2000
From: thomas@biostat.washington.edu (thomas@biostat.washington.edu)
Date: Fri, 15 Dec 2000 19:50:29 +0100 (MET)
Subject: [Rd] fourfoldplot (PR#769)
Message-ID: <200012151850.TAA09617@pubhealth.ku.dk>


Two bugs:

1() a single 2x2 matrix without dimnames won't plot

> b<-matrix(c(1,1,1,1),2) 
> fourfoldplot(b)
Error in array(x, dim = c(dim(x), 1), dimnames = c(dimnames(x),
list(Strata = NULL))) : 
        length of dimnames must match that of dims
> dimnames(b)<-list(c("a","b"),c("c","d"))
> fourfoldplot(b)
>

(2) conf.level breaks if there are zeroes (unless conf.level=0)

> b[1,1]<-0
> fourfoldplot(b)
Error in if (any(f == 0)) f <- f + 10^(-6) : 
        missing value where logical needed
> fourfoldplot(b,conf.level=0)
>



> version
         _                           
platform i686-pc-linux-gnu           
arch     i686                        
os       linux-gnu                   
system   i686, linux-gnu             
status   Under development (unstable)
major    1                           
minor    3.0                         
year     2000                        
month    12                          
day      15                          
language R                           


	-thomas


Thomas Lumley			Asst. Professor, Biostatistics
tlumley@u.washington.edu	University of Washington, Seattle


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[Rd] fourfoldplot (PR#769)
thomas@biostat.washington.edu