exportPattern("^[[:alpha:]]+")

S3method(print,StratSel)
S3method(predict,StratSel)
S3method(plot,StratSel)
S3method(summary,StratSel)
S3method(vcov,StratSel)
S3method(logLik,StratSel)


import(Formula)
import(memisc)
import(MASS)
import(mnormt)