| dbtpn | Bimodal truncated positive normal |
| dftpn | Flexible truncated positive normal |
| dstpn | Slash truncated positive normal |
| dtpn | 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 |
| pbtpn | Bimodal truncated positive normal |
| pftpn | Flexible truncated positive normal |
| pstpn | Slash truncated positive normal |
| ptpn | Truncated positive normal |
| qftpn | Flexible truncated positive normal |
| rbtpn | Bimodal truncated positive normal |
| rftpn | Flexible truncated positive normal |
| rstpn | Slash truncated positive normal |
| rtpn | Truncated positive normal |