| fitcond | Fit a PLC curve | 
| fitconds | Fit a PLC curve | 
| fitplc | Fit a PLC curve | 
| fitplcs | Fit a PLC curve | 
| fsigmoidal | Sigmoidal vulnerability curve | 
| fweibull | Weibull vulnerability curve | 
| getPx | Extract Px from fitted objects | 
| getPx.default | Extract Px from fitted objects | 
| getPx.manyplcfit | Extract Px from fitted objects | 
| plot.manyplcfit | Plot a fitted vulnerability curve | 
| plot.plcfit | Plot a fitted vulnerability curve | 
| stemvul | An example vulnerability curve |