On Wed, 2009-04-29 at 09:37 -0700, Kylee Kim wrote: > I am using rpy2-2.0.3. > > I am using Python and R in the shared library and don't know if > updating them will cause problems to other people's scripts. But I > will try to get updated Python and R in my local directory and retry. > > > BTW, if i upgrade R, would rpy2 can find R? Or should i reinstall > rpy2?
It should work, but reinstalling rpy2 is probably not a major task so I'd just reinstall. > > Thanks for looking into this! > > > On Tue, Apr 28, 2009 at 8:58 PM, laurent <lgaut...@gmail.com> wrote: > > > Please specify your rpy2 version. > > I am running your code without segfault with > rpy2-2.04 (to be released shortly) > and > R-2.9.0/Python 2.4.6 > R-2.9.0/Python 2.5.4 > R-2.9.0/Python 2.6.2 > > Trying updating your Python version, then your R version. > There were > reports of people seeing mysterious segfault disappear with > version > R-2.8 > > L. > > > https://bitbucket.org/lgautier/rpy2/issue/6/segfault-when-calling-robjectsrtable > > > > On Tue, 2009-04-28 at 11:35 -0700, Kylee Kim wrote: > > Hi, > > > > > > I am getting segmentation fault error for robjects.r.table() > and > > trying to understand why this happens. > > Here is simplified example. > > > > > > import rpy2.robjects as robjects > > r = robjects.r > > mylist = ['a', 'a', 'b', 'd', 'b'] > > myNumList = [1,2,3,4] > > > > > > print robjects.IntVector(myNumList) > > > > > > > > #>>> print robjects.IntVector(myNumList) > > #[1] 1 2 3 4 > > > > > > print robjects.StrVector(mylist) > > > > > > #>>> print robjects.StrVector(mylist) > > #[1] "a" "a" "b" "d" "b" > > > > > > print r.factor(robjects.StrVector(mylist)) > > > > > > #>>> print r.factor(robjects.StrVector(mylist)) > > #[1] a a b d b > > #Levels: a b d > > > > > > # Both of the following produce a segmentation fault error. > > r.table(robjects.StrVector(mylist)) > > r.table(r.factor(robjects.StrVector(mylist))) > > > > > > I want to pass output of r.table into r.barplot. > > > > r.barplot(r.table(robjects.StrVector(mylist))) > > > > > > > > My environments are: > > Python 2.4.1 > > > > R version 2.7.1 (2008-06-23) > > > > > > > > Any advise on usage of r.table() and r.barplot() is much > appreciated. > > > > > > Thanks in advance, > > Kylee > > > > > > p.s. here are some corresponding R outputs. > > > mylist = c('a', 'a', 'b', 'd', 'b') > > > mylist > > [1] "a" "a" "b" "d" "b" > > > table(mylist) > > mylist > > a b d > > 2 2 1 > > > barplot(table(mylist)) > > > > > ------------------------------------------------------------------------------ > > Register Now & Save for Velocity, the Web Performance & > Operations > > Conference from O'Reilly Media. Velocity features a full day > of > > expert-led, hands-on workshops and two days of sessions from > industry > > leaders in dedicated Performance & Operations tracks. Use > code vel09scf > > and Save an extra 15% before 5/3. > http://p.sf.net/sfu/velocityconf > > _______________________________________________ rpy-list > mailing list rpy-list@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/rpy-list > > ------------------------------------------------------------------------------ Register Now & Save for Velocity, the Web Performance & Operations Conference from O'Reilly Media. Velocity features a full day of expert-led, hands-on workshops and two days of sessions from industry leaders in dedicated Performance & Operations tracks. Use code vel09scf and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf _______________________________________________ rpy-list mailing list rpy-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rpy-list
