attribute_classes: Simulate all the Latent Attribute Profile \mathbf{alpha}_c in...

In simcdm: Simulate Cognitive Diagnostic Model ('CDM') Data

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

Description

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

Usage

attribute_classes(K)

Arguments

K	Number of Attributes

Value

A 2^K by K matrix of latent classes corresponding to entry c of pi based upon mastery and nonmastery of the K 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)

simcdm documentation built on May 29, 2024, 2:09 a.m.