[R] Trouble installing pwr package

[Gavin Simpson]

On Tue, 2010-09-21 at 12:04 -0500, Erik Iverson wrote:
> 
> Erik Iverson wrote:
> > 
> > 
> > Brian J Mingus wrote:
> >> Hi all,
> >>
> >> I'm having trouble getting access to the pwr. This is on Ubuntu Lucid 
> >> Lynx,
> >> 64 bit.
> >>
> >> I'm installing pwr via packages.install('pwr'), and loading it via
                           ^^^^^^^^^^^^^^^^^^^^^^^
> >> library(pwr), both of which appear successful.

Isn't the problem here (^^ above). There is no function
packages.install().

There is a package 'pwr' and it has lots of functions as

?`pwr-package`

shows, they are just not simply named "pwr".

HTH

G

> > 
> > Perhaps the actual output would help here.
> > 
> >>
> >> Strangely, I never get access to the pwr object in R.
> > 
> > Not familiar with the package, but is there such a thing
> > as the 'pwr object'?
> 
> I just installed the package, and there is no "pwr" function.
> 
> There are such functions as:
> power.t.test, power.prop.test, power.anova.test
> 
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