rbind() does something strange to dimnames
R : Copyright 1997, Robert Gentleman and Ross Ihaka
Version 0.50 Beta (April 1, 1997)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type "license()" for details.
> test1 <- data.frame(time= c(4, 3,1,1,2,2,3),
+ status=c(1,NA,1,0,1,1,0),
+ x= c(0, 2,1,1,1,0,0))> temp<-as.matrix(test1)
> dimnames(temp)
[[1]]
NULL
[[2]]
[1] "time" "status" "x"
> temp<-rbind(temp,temp)
Error: invalid type for dimnames: must be a list> dimnames(temp)
[[1]]
NULL
Segmentation fault (core dumped)
Part of the problem is that as.matrix() doesn't set dimnames()[[1]]. If I
set this by hand everything works. Even so, the rbind function should
succeed or fail -- it shouldn't mutilate its arguments like this.
Thomas Lumley
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Uni of Washington : can be adequately explained by :
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