groupequal {psychonetrics}

Group equality constrains

Description

The groupequal function constrains parameters equal across groups, and the groupfree function frees equality constrains across groups.

Usage

groupequal(x, matrix, row, col, verbose, log = TRUE, runmodel =
                    FALSE, identify = TRUE, ...)

groupfree(x, matrix, row, col, verbose, log = TRUE, runmodel =
                    FALSE, identify = TRUE, ...)

Arguments

x

A psychonetrics model.

matrix

String indicating the matrix of the parameter

row

Integer or string indicating the row of the matrix of the parameter

col

Integer or string indicating the column of the matrix of the parameter

verbose

Logical, should messages be printed?

log

Logical, should the log be updated?

runmodel

Logical, should the model be updated?

identify

Logical, should the model be identified?

...

Arguments sent to runmodel

Value

An object of the class psychonetrics (psychonetrics-class)

Author(s)

Sacha Epskamp