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.

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.

See also

simcdm::sim_subject_attributes() and attribute_inv_bijection()

Author

James Joseph Balamuta and Steven Andrew Culpepper

Examples

## Simulate Attribute Class Matrix ---- # Define number of attributes K = 3 # Generate an Latent Attribute Profile (Alpha) Matrix alphas = attribute_classes(K)