Approximate tetchoric correlation matrix
Matrix of tetchoric correlations using the approximation by Bonett and Price (2005).
tet(d)
d |
a matrix (or data frame, which will be converted to a matrix) containing only zeroes an ones. NAs are not allowed. |
A matrix of approximate tetchoric correlations.
Ivailo Partchev
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
tets <- tet(Scored)
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