[R-sig-ME] glmer not supported class for vuong()closeness test (non-nested models)

[Souheyla GHEBGHOUB]

No problem, thanks! I hope someone has an answer to this.

Best,
Souheyla

On Fri, 7 Feb 2020 at 11:33, Mollie Brooks <mollieebrooks using gmail.com> wrote:

> Sorry about that. My mistake. I wasn’t familiar with the general use.
>
> Mollie
>
> On 7Feb 2020, at 12:17, Souheyla GHEBGHOUB <souheyla.ghebghoub using gmail.com>
> wrote:
>
> Hi Mollie,
>
> Thank you for your reply.
> I want to test whether 3 predictors are significantly different from each
> other when fitted to the same data but in different models by basically
> comparing the models, like when we do the likelihood ratio test but that
> one fits for nested models only.
>
> Best,
> Souheyla
>
> On Fri, 7 Feb 2020 at 10:57, Mollie Brooks <mollieebrooks using gmail.com>
> wrote:
>
>> If you want to use vuong() to test for zero inflation, then an
>> alternative would be to use testZeroinflation() from the DHARMa package
>> which supports glmer models. It performs a different test using simulated
>> residuals.
>>
>> See documentation here
>> https://cran.r-project.org/web/packages/DHARMa/vignettes/DHARMa.html
>>
>> Cheers,
>> Mollie
>>
>>
>> On 7Feb 2020, at 11:25, Souheyla GHEBGHOUB <souheyla.ghebghoub using gmail.com>
>> wrote:
>>
>> Hi,
>>
>> I need to compare non-nested models fitted to the same DV using vuong()
>> closeness test in pscl package. It appears that the test only supports glm
>> class but not mixed models glmer.  I would like to retain glmer because my
>> random effects explain much of the variation but vuong does not support
>> it!
>>
>> Should I simply ignore the random effects at this point since they will be
>> equally removed from both compared models in this sig test, is there a way
>> to force the test to support this glmer class?
>>
>> Thanks a lot for your time reading/answering this,
>>
>> Souheyla GHEBGHOUB
>> 4th year PhD student
>> Education department - Research Centre for Social Science
>> University of York
>>
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>>
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>>
>>
>>
>

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