predict.cat.dt {cat.dt}

R Documentation

Predict S3 method for cat.dt

Description

Predict S3 method for cat.dt

Usage

## S3 method for class 'cat.dt'
predict(object, res, ...)

Arguments

object	A cat.dt object returned by CAT_DT.
res	Vector containing the test taker's responses to every item
...	Not used

Value

A list containing the following elements:

$estimation Estimated ability level after each level of the tree.

$linf Lower limit of the final estimation at 95

$lsup Upper limit of the final estimation at 95

$items Administered item in each level.

$graphics Plot object of the evolution of the ability level estimation. It shows the ability level estimation after the individual has answered to every administered item.

Author(s)

Javier Rodr?guez-Cuadrado

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