[R] Information function in CRM model

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Thu Jan 6 16:01:48 CET 2022

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On Thu, Jan 6, 2022 at 2:03 AM Cecilia Reyna <ceciliareyna using gmail.com> wrote:

> Dear,
> I am trying to model the information function of items (and full) based on
> the continuous response model.
> I am using the EstCRM (1.4) package, but it doesn't compute the information
> function.
> Another person noticed me of Wang & Zeng's paper (Item parameter estimation
> for a continuous response model using an EM algorithm, 1998, Applied
> Psychological Measurement). But I am not sure how to calculate it in R.
> Please, If someone has calculated that function could you share the script?
> Thanks in advance,
> Cecilia
> --
> Cecilia Reyna
> Instituto de Investigaciones Psicológicas (IIPsi) - CONICET - UNC
> Facultad de Psicología - Universidad Nacional de Córdoba
> (5000) Córdoba - ARGENTINA
> Tel. 54-351-5353890 int. 60201
> RACC: http://www.revistas.unc.edu.ar/index.php/racc
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