Dear list members,
I've uploaded a new package, called polycor (version 0.5-0), to CRAN. The
package has functions for computing polychoric and polyserial correlations,
either by maximum-likelihood (in which case, standard errors are available)
or by faster approximations. There's also a function to compute
"heterogeneous" correlation matrices composed of product-moment,
polychoric,
and polyserial correlations, as appropriate to each pair of variables.
Comments and suggestions would be appreciated.
John
--------------------------------
John Fox
Department of Sociology
McMaster University
Hamilton, Ontario
Canada L8S 4M4
905-525-9140x23604
http://socserv.mcmaster.ca/jfox
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