R and Python
As far as I know the latest versions of neither RSpython nor rpy2 support Windows. For accessing SymPy (which is a python computer algebra system) from R rSymPy went with jython. Its slower than cpython, particularly the startup, but it should work on all platforms. See http://rsympy.googlecode.com The latest version is 0.1-4. If ruby is an option see the rinruby project for accessing R from ruby. There is a paper on it on jstatsoft.org . If java is an option see the RServe package for accessing R from java. Also in the other direction the rJava package can be used to access java from R.
On Mon, Nov 2, 2009 at 11:37 AM, Ryan Sheftel <ryan.sheftel at rmbaries.com> wrote:
I am a long time user of R for financial time series analysis (xts, zoo, etc) and for my next project I am thinking of adding the Python language to the mix. The reason for adding Python is primarily its non-statistical capabilities. So my questions are what have people's experiences been with using interop between R and Python. I see there are two items, rPy and RSPython. It looks like rPy makes it possible to call R code from Python, and RSPython goes both ways. My needs would be to use Python to drive R to get it's extensive time series and stats, and also to get to Python objects from inside R. I searched the list archives and it looks like many people use rPy, but what about RSPython for calling Python from R? It looks like rPy only goes from R into Python, and RSPython has not been updated since 2005? Other messages in the archives state that RSPython only works on Unix? Would I be foolish to build anything mission critical on RSPython? Is there a better way to get at Python from R? Thanks as always. ? ? ? ?[[alternative HTML version deleted]]
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