[R] Empty cluster / segfault using vanilla kmeans with version 2.15.2

2013-02-03 Thread Luca Nanetti
shown in the aforementioned versions 2.13.2 and 2.14.1 should be considered 'normal', and that version 2.15.2 should revert to that. Kind regards, Luca Nanetti. [[alternative HTML version deleted]] __ R-help@r-project.org mailing lis

Re: [R] Empty cluster / segfault using vanilla kmeans with version 2.15.2

2013-03-12 Thread Luca Nanetti
ith the Hartigan-Wong algorithm (default for Kmeans) Kind regards, and thanks again for your time. Luca Nanetti On Sat, Feb 9, 2013 at 8:52 PM, Uwe Ligges wrote: > We need a reproducible example. > > Uwe Ligges > > > > On 03.02.2013 15:03, Luca Nanetti wrote: > >>

Re: [R] Odd graphic device behavior

2013-03-28 Thread Luca Nanetti
Thomas, any chance that you could have problems with your graphic driver? For instance, if you have an Nvidia graphic card, I would recommend switching from the 'nouveau' driver to the official Nvidia one. Kind regards, luca [[alternative HTML version deleted]] __

[R] Unexpected behavior of "apply" when FUN=sample

2013-05-14 Thread Luca Nanetti
11 1267 In other words, I wanted to permute the content of the rows of "test", and I expected to see in the output, well, the shuffled rows as rows, not as column! I would respectfully suggest to make this behavior more explicit in the documentation. Kind regards, Luca Na

Re: [R] Empty clusters in k-means - possible solution

2013-05-19 Thread Luca Nanetti
cussed several times on several R-lists, and is NOT a > bug, but can be annoying when using k-means in complex simulation where > this error brings everything to a stop. One can use try() or tryCatch() > to avoid this, but this is just a programming trick. -- __ Luca Nane