On Tue, Mar 15, 2011 at 9:40 AM, Laurent Gautier <lgaut...@gmail.com> wrote:
> It can do either one of the two.
>
> http://rpy.sourceforge.net/rpy2/doc-dev/html/numpy.html?#low-level-interface
>
>
>
> L.
>

how about in this case?::


  import numpy as np
  import rpy2.robjects as robjects
  import rpy2.robjects.numpy2ri
  R = robjects.r

  a = np.arange(199999999)
  R.sum(a)

it seems to always make a copy, even if i have it in column order.

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