exportPattern("^[[:alpha:]]+")
import(
  Rfit
)
importFrom("stats", "lm", "model.frame", "model.matrix",
             "model.response", "pf", "printCoefmat", "pt", "qnorm", "qt",
             "quantile", "rnorm", "sd", "var")
importFrom("utils", "head", "tail")
S3method(dbfit, default)
S3method(dbfit, formula)
S3method(print, dbfit)
S3method(print, summary.dbfit)
S3method(summary, dbfit)