Fisher_NRM: Fisher Information under NRM
In cat.dt: Computerized Adaptive Testing and Decision Trees

Computes the item Fisher Information given an ability level based on the NRM model

1	Fisher_NRM(theta_est, item_par, nres)

`theta_est`	ability level
`item_par`	vector containing the item parameters. Odd components are the `alpha` parameters and even are the `beta` parameters
`nres`	number of possible item responses

An integer that represents the Fisher Information value of the specified item given the ability level

Javier Rodriguez-Cuadrado

cat.dt documentation built on March 31, 2021, 5:07 p.m.

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