export("dbtpn", "dstpn", "dtpn", "est.btpn", "est.stpn", "est.tpn", "pbtpn", "pstpn", "ptpn",
       "rbtpn", "rstpn", "rtpn")
importFrom("stats","dnorm", "pnorm", "integrate", "optim", 
	"runif", "qnorm")
importFrom("pracma", "hessian")
importFrom("skewMLRM", "solve2")
