attribute_classes {simcdm}R Documentation

Simulate all the Latent Attribute Profile αc\mathbf{\alpha}_c in Matrix form

Description

Generate the αc=(αc1,,αcK)\mathbf{\alpha}_c = (\alpha_{c1}, \ldots, \alpha_{cK})' attribute profile matrix for members of class cc such that αck\alpha_{ck} ' is 1 if members of class cc possess skill kk and zero otherwise.

Usage

attribute_classes(K)

Arguments

K

Number of Attributes

Value

A 2K2^K by KK matrix of latent classes corresponding to entry cc of pipi based upon mastery and nonmastery of the KK skills.

Author(s)

James Joseph Balamuta and Steven Andrew Culpepper

See Also

sim_subject_attributes() and attribute_inv_bijection()

Examples

## Simulate Attribute Class Matrix ----

# Define number of attributes
K = 3

# Generate an Latent Attribute Profile (Alpha) Matrix
alphas = attribute_classes(K)

[Package simcdm version 0.1.2 Index]