Formula to calculate the expected probability

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Yinny Wan

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Sep 4, 2017, 1:44:21 AM9/4/17
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Hi Phil,

   I would like to know the formula used to calculate the expected probability of a unique response pattern output using extract.mirt(mirtgpcm, 'exp_resp'). Is there a reference paper I can read?

   Thank you very much.

Regards,
Yinny

Phil Chalmers

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Sep 4, 2017, 11:10:33 PM9/4/17
to Yinny Wan, mirt-package
See equation 5 of Bock and Aitkin's seminal article. Cheers.

Phil

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