| calc.ctmax | Calculate Cmax and Tmax |
| calc.par | Calculate NCA Parameters |
| calc.par.th | Calculate Lambda_z Parameters |
| check.input | Check qpNCA function arguments for validity |
| correct.conc | Correct Missing Concentration |
| correct.loq | Impute Concentrations Below the Limit of Quantitation |
| correct.time | Correct Concentrations for Time Deviations |
| est.thalf | Calculate Lambda_z and Elimination Half-life |
| filenamefun | Create File Name for Regression Plots |
| interpol | Interpolate Concentrations |
| lag_lead | Estimate Lagging and Leading Times and Concentrations |
| plot_reg | Plot Regression Curves |
| qpNCA | Perform Non-compartmental Analysis |
| tab.corr | Tabulate Corrections |
| titlefun | Create Title for Regression Plots |
| trap | Calculate Area Under the Curve Using Trapezoids |
| trapm | Calculate Area Under the Moment Curve Using Trapezoids |