btpn       Bimodal truncated positive normal.
est.btpn   Parameter estimation for the btpn.
est.ftpn   Parameter estimation for the ftpn.
est.stpn   Parameter estimation for the stpn.
est.tpn    Parameter estimation for the tpn.
ftp        Flexible truncated positive class.
stpn       Slash truncated positive normal.
tpn        Truncated positive normal.
