Is exist any item appropriateness measure in the mixedmirt() context?

[Seongho Bae]

Hi, Phil.

Is exist any item appropriateness measure in the mixedmirt() context?

Seongho

[Phil Chalmers]

Sorry, I don't follow what you are asking here.

Phil

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[Seongho Bae]

I meant, is exist any 'Rhat' values internally in mixedmirt() class products like sirt::mcmc.2pno.ml. 

Seongho

2017년 3월 11일 토요일 오전 5시 2분 54초 UTC+9, Phil Chalmers 님의 말:

Sorry, I don't follow what you are asking here.

Phil

On Thu, Mar 9, 2017 at 1:34 AM, Seongho Bae <seongh...@gmail.com> wrote:

Hi, Phil.

Is exist any item appropriateness measure in the mixedmirt() context?

Seongho

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[Phil Chalmers]

I think that Rhat value is strictly a fully MCMC estimation statistic, though I'm sure Alexander could explain what it is better than I.

Phil

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[robi...@ipn.uni-kiel.de]

I would think that Rhat (also known as PSR) is only a "convergence statistic" of the MCMC chain. It is not intended as a kind of item appropriateness statistic (a.k.a . item fit statistic).

Alexander