On Tue, 22 Dec 2015 16:13:07 +0100 Tim Richter-Heitmann <trich...@uni-bremen.de> wrote:
> Dear List, > > some days ago my R started to regularily freezes, especially during > these operations: > > mso(,permutations=999), package vegan > anova.cca(), package vegan > forward.sel(), package packfor > > I am running R on a 64-bit Windows 7 installation, 4 cores, 8 GB RAM. > I just today updated R to 3.2.3, all packages, and R-Studio to their > most recent versions. > Still the error persists. > Two things are strange: > > All these functions (and more) have been working without any problem > for 2 years. > The freezes occur at different points in the algorithms. For > forward.sel(), a stepwise variable selection process > in species distribution modelling, the system fails at different > steps (say after variable 8 or 18), but inevitably fails. Look at how much memory is available. Possibly increase the work space available to R. What other software was recently changed immediately prior to the appearance of the problem. Lastly, check that hardware it self. Most hard drives have diagnostic routines that can be accessed to check drive integrity. The random nature to the fail suggests a memory availability problem - some newly resident routine that uses more memory than it should. Run the Task Manager in monitor memory availability before, and at failure. But, I once chased a similar problem all the way to a failing CPU before fixing it. I essentially rebuilt the computer. > R-Studio is still responsive meanwhile, but the "Stop"-Buttom does > not work, and the programm needs to be restarted. > > Is there any way of troubleshooting or finding out who the culprit is? > > Thanks. > JWDougherty ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
