Thanks, Martin
Now I understand 'standard non-standard evaluation' magic, and the code in
http://developer.r-project.org/model-fitting-functions.txt
explains how this works.
Still, I can't help but think of this as evil-magic, for which some
anti-magic would be extremely useful, so that
a simp
> Michael Friendly
> on Thu, 06 Jan 2011 09:33:25 -0500 writes:
> No one replied to this, so I'll try again, with a simple example. I
> calculate a set of log odds ratios, and turn them into a data frame as
> follows:
>> library(vcdExtra)
>> (lor.CM <- loddsrat
No one replied to this, so I'll try again, with a simple example. I
calculate a set of log odds ratios, and turn them into a data frame as
follows:
> library(vcdExtra)
> (lor.CM <- loddsratio(CoalMiners))
log odds ratios for Wheeze and Breathlessness by Age
25-2930-3435-3940-44
In the vcdExtra package on R-Forge, I have functions and generic methods
for calculating log odds ratios
for R x C x strata tables. I'd like to define methods for fitting
weighted lm()s to the resulting loddsratio objects,
but I'm having problems figuring out how to do this generally.
# install
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