Dear Jeroen,
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On
> Behalf Of Jeroen Ooms
> Sent: September-30-08 3:10 PM
> To: r-devel@r-project.org
> Subject: Re: [Rd] weird behavior of drop1() for polr models (MASS)
>
>
> Sorry for p
> -----Original Message-
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED]
> On
>> Behalf Of Jeroen Ooms
>> Sent: September-30-08 9:28 AM
>> To: r-devel@r-project.org
>> Subject: [Rd] weird behavior of drop1() for polr models (MASS)
>>
>
Jeroen Ooms wrote:
> I would like to do a SS type III analysis on a proportional odds logistic
> regression model. I use drop1(), but dropterm() shows the same behaviour. It
> works as expected for regular main effects models, however when the model
> includes an interaction effect it seems to have
jfox
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On
> Behalf Of Jeroen Ooms
> Sent: September-30-08 9:28 AM
> To: r-devel@r-project.org
> Subject: [Rd] weird behavior of drop1() for polr models (MASS)
>
>
> I would like to
I would like to do a SS type III analysis on a proportional odds logistic
regression model. I use drop1(), but dropterm() shows the same behaviour. It
works as expected for regular main effects models, however when the model
includes an interaction effect it seems to have problems with matching th
