Greg / Kevin,
Thanks, each of the solution's works. Much appreciated.
This one appears to need a minor tweak, from:
import rpy
rpy.r.library("pwr")
rpy.r.pwr_p_test(h=0.2,power=0.95,sig.level=0.05)
to
... sig_level=0.05...
Which makes sense, given Greg's explanation provided about the dot versus
the underscore.
This answers my main question. Thank you! I will drop this side issue
below out there, as it is what got me stuck, in case it helps anyone else.
Probably just me being dense.
I started down the road of "retrieving an R object is as keywords of the r
object." I figured this was a viable technique to learn first, in case "the
first way of retrieving a R object is as attributes of the r object" put up
a fight. But when I tried:
r['pwr.p.test(h=0.2,power=0.95,sig.level=0.05)']
and similar variations I got something like:
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "/usr/lib/python2.4/site-packages/rpy.py", line 290, in __getitem__
obj = self.__dict__[name] = self.__dict__.get(name, self.get(name))
rpy.RException: Error in get(x, envir, mode, inherits) : variable
"pwr.p.test(h=0.2,power=0.95,sig.level=0.05)" was not found
Is there a way to use the "retrieving an R object is as keywords of the r
object" approach, given the example here?
Thanks,
- Michael
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