In data domenica 10 febbraio 2013 12:20:22, Thomas Kluyver ha scritto: > While we're on the subject, by the way, I have a pull request open on > IPython to improve how we handle a simple pandas DataFrame being passed > into rmagic. I imagine this is quite a common case, and at present rmagic
Just a bit of background, since I wrote the original pandas-to-data.frame conversion that's used by pandas at the moment. The code originated by an internal app I wrote, which shuffled data back and forth between R and Python. At the moment, numpy2ri() wasn't quite giving the results I expected, and my (feeble!) attempts at trying to do that in rpy2 failed (granted, I could have probably asked for more help here), so I built something "static" like the one used in pandas. Looking at what Laurent made in rpy2, I think that way is much better than the one I wrote. Laurent, if you make a release containing that converter soon, I'll make a PR to pandas to use that code path. This will mean of course that newer pandas will have to require that specific version of rpy2. -- Luca Beltrame, Ph.D. - Translational Genomics Unit Oncology Department, Mario Negri Institute
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