"Dan Bebber" <danbebber at="" forestecology.co.uk=""> writes: > Hello, > > when I apply johnson.all.pairs.sp to certain graphs, R hangs. > The R window can still be resized, minimized etc. and the "stop current > computation" button can be pressed (though nothing happens). > The computation can be interrupted by attempting to close R, then pressing > "cancel" when the "save workspace" dialogue opens. However, R then becomes > unstable and shuts down without warning. > The error also causes R to shut down occassionally. > I have this problem with 2 of 35 graphs I am analysing. > > I can provide an example of a test graph if anyone would be kind enough to > test this on their system. > > System is: > Microsoft Windows XP Pro, SP2 > Dual Pentium Xeon processors > 2Gb Ram > > Software is: > R 2.3.0 > RBGL 1.7.10 Please try updating to the current release of RBGL, version 1.8.1 available here: http://bioconductor.org/packages/1.8/bioc/html/RBGL.html If you see the same behavior, then a reproducible case would be most welcome. Best, + seth

Apologies, I have just upgraded to RBGL v.1.8.1 and the problem is resolved. Thanks (for this excellent package), Dan Bebber ----- Original Message ----- From: "Dan Bebber" <danbebber@forestecology.co.uk> To: <bioconductor at="" stat.math.ethz.ch=""> Sent: Thursday, May 04, 2006 6:04 PM Subject: johnson.all.pairs.sp (RBGL) causes R to hang with certain graphs > Hello, > > when I apply johnson.all.pairs.sp to certain graphs, R hangs. > The R window can still be resized, minimized etc. and the "stop current > computation" button can be pressed (though nothing happens). > The computation can be interrupted by attempting to close R, then pressing > "cancel" when the "save workspace" dialogue opens. However, R then becomes > unstable and shuts down without warning. > The error also causes R to shut down occassionally. > I have this problem with 2 of 35 graphs I am analysing. > > I can provide an example of a test graph if anyone would be kind enough to > test this on their system. > > System is: > Microsoft Windows XP Pro, SP2 > Dual Pentium Xeon processors > 2Gb Ram > > Software is: > R 2.3.0 > RBGL 1.7.10 > > Many thanks, > Dan Bebber > > Department of Plant Sciences > University of Oxford >