# Exported functions 
export(lordif, montecarlo, calcprob, calctheta, collapse, equate,    
       extract, getcutoff, probgrm, probgpcm, recode, rundif, runolr,    
       separate, tcc, plot.lordif, plot.lordif.MC, permute, DFIT )
S3method(print, lordif)
S3method(print, lordif.MC)
S3method(summary, lordif)
S3method(summary, lordif.MC)
S3method(plot, lordif)
S3method(plot, lordif.MC)
# Imported functions
importFrom(mirt, mirt)
importFrom(rms,lrm)
importFrom("grDevices", dev.new)
importFrom("graphics", "abline", "boxplot", "layout", "legend",
           "lines", "par", "plot", "points", "text")
importFrom("stats4", "coef")
importFrom("stats", "cov", "density", "dnorm", "nlminb",
           "pchisq", "quantile", "runif", "var") 