I didn't see anything on this in the bug reports, and a search of the
archives had lots of false positives when searching on split to be
helpful.
I don't view this as particularly interesting or useful, but wanted to
report it because I stumbled on it (and don't remember ever seeing
invalid
This is odd, I think it may have something to do with this
f - interaction(list(iris[,1], iris[,2]))
f[16]
[1] NA
unclass(f)[16]
[1] 785
nlevels(f)
[1] 781
Maybe do_split dereferencing beyond allocated memory?
interaction(list(iris[,1], iris[,2]), sep=-)
does not produce NA at index 16
On 04/05/2010 6:45 PM, Matt Shotwell wrote:
This is odd, I think it may have something to do with this
Yes, it's definitely a bug in interaction() rather than split() per se.
I'll take a look and see if I can fix it.
Duncan Murdoch
f - interaction(list(iris[,1], iris[,2]))
f[16]
This is now fixed in R-devel (revision 51908), and R-patched (r51909).
Thanks Jay for the nice reproducible example, and thanks Matt for
localizing it to the interaction() function.
Duncan Murdoch
On 04/05/2010 4:37 PM, Jay Emerson wrote:
I didn't see anything on this in the bug reports,
Thank you for your response. I did look in the suggested manual under A.3.1.5
Shared BLAS.
Here are my steps: compiled R using
--with-readline=yes --enable-R-shlib=yes --enable-BLAS-shlib=yes --with-x=yes
--prefix=/usr/local/R-2.11.0
Compiled LAPACK first and then ATLAS using
