tet: Approximate tetrachoric correlation matrix

Description Usage Arguments Value Author(s) References Examples

Description

Matrix of tetrachoric correlations using the approximation by Bonett and Price (2005).

Usage

1
  tet(d)

Arguments

d

a matrix (or data frame, which will be converted to a matrix) containing only zeroes an ones. NAs are not allowed.

Value

A matrix of approximate tetrachoric correlations.

Author(s)

Ivailo Partchev

References

Douglas G. Bonett and Robert M. Price (2005). Inferential Methods for the Tetrachoric Correlation Coefficient. Journal of Educational and Behavioral Statistics, Vol. 30, No. 2, pp. 213–225

Examples

1
tetras <- tet(Scored)

lebebr01/irtoys-2 documentation built on May 20, 2019, 11:29 p.m.