Displaying 2 results from an estimated 2 matches for "answertype".
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answer_type
2024 Apr 27
1
Should c(..., recursive = TRUE) and unlist(x, recursive = TRUE) recurse into expression vectors?
Reading the body of function 'AnswerType' in bind.c, called from 'do_c'
and 'do_unlist', I notice that EXPRSXP and VECSXP are handled identically
in the recurse = TRUE case.
A corollary is that c(recursive = TRUE) and unlist(recursive = TRUE)
treat expression vectors like expression(a, b) as lists of symbols an...
2004 Mar 26
4
cbind/rbind fail on matrixes containing lists (PR#6702)
Today's R 1.9.0 beta:
> m1
[,1] [,2] [,3] [,4]
[1,] NA NA NA NA
[2,] NA NA NA NA
[3,] NA NA NA NA
[4,] NA NA NA NA
> class(m1[1,1])
[1] "list"
> cbind(m1,m1)
Error in cbind(...) : cannot create a matrix from these types
> rbind(m1,m1)
Error in rbind(...) : cannot create a matrix from these types
> version
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