Re: [Rd] R-2.15.2 changes in computation speed. Numerical precision?

2012-12-13 Thread Paul Johnson
On Thu, Dec 13, 2012 at 9:01 PM, Yi (Alice) Wang wrote: > I have also encountered a similar problem. My mvabund package runs much > faster on linux/OSX than on windows with both R/2.15.1 and R/2.15.2. For > example, with mvabund_3.6.3 and R/2.15.2, > system.time(example(anova.manyglm)) > Hi, Alic

Re: [Rd] R-2.15.2 changes in computation speed. Numerical precision?

2012-12-13 Thread Paul Johnson
On Thu, Dec 13, 2012 at 3:33 AM, Uwe Ligges wrote: > Long message, but as far as I can see, this is not about base R but the > contributed package Amelia: Please discuss possible improvements with its > maintainer. > Thanks for answering, but I'm really surprised by your answer. The package is a c

Re: [Rd] small issue with over-zealous clean.

2012-12-13 Thread Hin-Tak Leung
--- On Sun, 9/12/12, Dirk Eddelbuettel wrote: > Do you REALLY think svn would not know about missing > files?  There does not > seem to be a limit on the disdain for svn among git users. > Fascinating. FWIW, as one of the linux kernel maintainers, I don't apologize for being familiar with git.

Re: [Rd] R-2.15.2 changes in computation speed. Numerical precision?

2012-12-13 Thread Yi (Alice) Wang
I have also encountered a similar problem. My mvabund package runs much faster on linux/OSX than on windows with both R/2.15.1 and R/2.15.2. For example, with mvabund_3.6.3 and R/2.15.2, system.time(example(anova.manyglm)) on OSX returns user system elapsed 3.351 0.006 3.381 but on win

[Rd] R NEWS change related to .C/.Call/.External/.Fortran

2012-12-13 Thread Dirk Eddelbuettel
The much-appreciated feed of changes to NEWS.Rd list this today [1]: 2.15.2 UTILITIES ‘R CMD check’ now checks for ‘.C()’, ‘.Call()’, ‘.External()’ and ‘.Fortran()’ calls in other packages, and gives a warning on those found from R itself (which are not part of the API and change without

[Rd] error memory allocation

2012-12-13 Thread Vitaliy FEOKTISTOV
Hello, I've compiled R-2.15.2 for windows x64 and try to do a simple test : --- A <- matrix(rnorm(3e8), 3e4, 3e4) B <- solve(A) Erreur dans solve.default(A) : impossible d'a

Re: [Rd] Lost in S4 and S3 classes

2012-12-13 Thread Davide Rambaldi
Hi, for the r-devel archives, I report here the answer of Martin Morgan on stackoverflow (http://goo.gl/CF5I9): Actually, the no-argument constructor returns an invalid object, too, it's just not tested > validObject(new("TestClass")) Error in validObject(new("TestClass")) : invalid class

[Rd] Lost in S4 and S3 classes

2012-12-13 Thread Davide Rambaldi
Hi all, this is my first post in R devel… sorry if I lost some of the guidelines. Anyway this is my problem: Version: R version 2.15.2 (2012-10-26) Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit) I want to make an S4 class that use the output object of the function of nls.lm as a slot: s

Re: [Rd] R-2.15.2 changes in computation speed. Numerical precision?

2012-12-13 Thread Uwe Ligges
Long message, but as far as I can see, this is not about base R but the contributed package Amelia: Please discuss possible improvements with its maintainer. Best, Uwe Ligges On 12.12.2012 19:14, Paul Johnson wrote: Speaking of optimization and speeding up R calculations... I mentioned last