Tag Archives: rpy2

R warnings when starting rpy2 and installation

Tweet On Fedora 15 When I start rpy2 using this command

I was getting these annoying warnings, which do not appear when starting a pure R session:

I decided to install the newest version of R (2.15.2), which … Continue reading

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Upgrading R and rpy2

Tweet When upgrading R version, you must recompile rpy2. Let us take a case study based on the upgrade of R2.15 to R2.15.1. First, you need to download the source from the main page http://www.r-project.org/ Once downloaded, get the source … Continue reading

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How to call R plotting function from python using rpy2

Tweet Python has already very good librairies from plotting (e.g., matplotlib, mayavi), however, it is sometimes useful to use some of the plotting functionalities offered by R. Thanks to the rp2 package, it is quite easy. Let us try to … Continue reading

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installing rpy2 with different R version already installed

Tweet The easiest way to install a python package is to use easy_install (or pip), so to install rpy2, type: easy_install rpy2 To test that it is properly installed, type: import rpy2; from rpy2 import robjects; robjects.r(“version”) If this code … Continue reading

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RPy2 substitute function does not work

Tweet I’m using rpy2 to call R package from Python, which works pretty well most of the time. Yet, I’ve encountered an issue with the R function called substitute that do not behave as expected when called from rpy2. Consider … Continue reading

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Fitting distribution by combing R and Python

Tweet The following example illustrates how to use R package with Python by using the Rpy2 package. This problem solve in this example is to fit a normal distribution on some data samples.

The result is stored in the … Continue reading

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