I've uploaded a new version of "catspec" to CRAN. Catspec is for
estimating certain "special categorical" models. It also contains
"ctab", a function for creating one-way, two-way, and multi-way
percentage tables (nothing special there really). Ctab can now print
more than one percentage type, as well as table marginals.
The first special model in catspec is "mclgen". Mclgen restructures a
data frame so a multinomial logistic model can be estimated using a
condition logit program. Doing so provides much more flexibility for
imposing restrictions on the response variable.
The second special (set of) models is "sqtab", for estimating
loglinear models for square tables (aka "mobility models") such as
symmetry, quasi-independence. One application can be to specify such
models as multinomial logistic models with covariates, using mclgen.
John Hendrickx
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