[R] missing level of a nested factor results in an NA in lm output

[Timothy Clough]

I should have specified this before - it's part of the gmodels library.

On Sep 21, 2009, at 2:31 PM, Erik Iverson wrote:

>>> estimable(fit, myEstimate)
>>     Estimate Std. Error  t value DF     Pr(>|t|)
>> test 12.18198  0.6694812 18.19615 10 5.395944e-09
>
> Where are you getting this "estimable" function from?  A package?   
> Did you define it yourself?
>