I am a new user of RPy, just having completed a build of it on Debian Etch
using 1.0-RC1 and R-2.51. All seems to be running fine on the R side and
the RPY side, but I am struggling a bit with syntax for parameters passing,
and I am not able to find a question on the mailing list to assist.
Quick version: I run the following (after loading the ‘pwr’ module)
directly from R, and it works in R:
> pwr.p.test(h=0.2,power=0.95,sig.level=0.05)
With the following nice output:
…power calculation for binomial distribution (arcsine transformation)
h = 0.2
n = 324.8677
sig.level = 0.05
power = 0.95
alternative = two.sided
Using RPy, I am able to load the library OK
>>> r.library('pwr')
['pwr', 'stats', 'graphics', 'grDevices', 'utils', 'datasets', 'methods',
'base']
And I am able to create Robjs using that library:
>>> r['pwr.p.test']
<Robj object at 0xb7e141d0>
But I can’t sort out the right want to pass arguments to the object (i.e.,
h=0.2,power=0.95,sig.level=0.05). I have tried various dictionary and list
forms, but no luck so far, just many errors. I am suspecting it is about
position dependency in the call, but I am struggling with how to compensate
for this.
Any suggestions from those in the know?
Much thanks,
- Michael
(for what’s its worth, python 2.4.4, Debian Etch, RPy 1.0-RC1 on x86 seems
to work, which was a question I had, when build from Etch sources, but not
using Etch binaries. I am not thinking this is rekatred to my problem, as
other examples run OK).
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