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Original report by Laurent Gautier (Bitbucket: lgautier, GitHub: lgautier).
Bug report from Kylee Kim
#---
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
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))
The text was updated successfully, but these errors were encountered:
Original comment by Laurent Gautier (Bitbucket: lgautier, GitHub: lgautier).
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.
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Original report by Laurent Gautier (Bitbucket: lgautier, GitHub: lgautier).
Bug report from Kylee Kim
#---
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.
The text was updated successfully, but these errors were encountered: