uirt_DM: uirt_DM Function

In nmolanog/bayesuirt:

Description

this functions converts a test dataframe to a vectoriced form following molano's thesis.

Usage

uirt_DM(dat, idname)

Arguments

dat	a data frame containing test info. rows for individuals and columns for items. aditionally, a variable which identify individuals must be supied.
idname	atomic character giving the name of the id variable

Value

a list with the following objects:

• long.test: a data frame with id, item and y (0 or 1). Long format for the test.

• Y: Vector containing individual answers (0 or 1).

• X: desing matrix indexing each value of Y to the corresponding item.

• Z: desing matrix indexing each value of Y to the corresponding individual.

Examples

data("test_data")
temp<-uirt_DM(test_data,"id")

nmolanog/bayesuirt documentation built on May 23, 2019, 8:52 a.m.