calplot Plot calibration graphs from univariate linear models chemCal-package Calibration functions for analytical chemistry din32645 Calibration data from DIN 32645 inverse.predict Predict x from y for a linear calibration lod Estimate a limit of detection (LOD) loq Estimate a limit of quantification (LOQ) massart97ex3 Calibration data from Massart et al. (1997), example 3