tet function

Approximate tetchoric correlation matrix

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

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.

Returns

A matrix of approximate tetchoric correlations.

Examples

tets <- tet(Scored)

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

Author(s)

Ivailo Partchev