[Rpy] r.pdf() question

[Kylee Kim]

Hi,
I am trying to save plot outputs in pdf file format using RPy2.
The usual simple routine that I would do in R is something like this:

x <- rnorm(100)
pdf("/home/me/public_html/test.pdf")
hist(x)
dev.off()

Now, using Rpy2, I am trying the same job, but I am getting error message
for r.dev.off().
Here are python commands.

>>> import rpy2.robjects as robjects
>>> r = robjects.r
>>> x = r.rnorm(100)
>>> mypdf = r.pdf("/home/me/public_html/test.pdf')
>>> mypdf = r.hist(x)
>>> mypdf = r.dev.off()
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File
"/usr/releng/tools/python/2.4.1/lib/python2.4/site-packages/rpy2/robjects/__init__.py",
line 511, in __getattribute__
    raise orig_ae
AttributeError: 'R' object has no attribute 'dev'

Is there anybody knows how to properly use R pdf() and dev.off() using RPy?

Thank you in advance.

Ki

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