xcms (version 1.48.0)

etg: Empirically Transformed Gaussian function

Description

A general function for asymmetric chromatographic peaks.

Usage

etg(x, H, t1, tt, k1, kt, lambda1, lambdat, alpha, beta)

Arguments

x

times to evaluate function at

H

peak height

t1

time of leading edge inflection point

tt

time of trailing edge inflection point

k1

leading edge parameter

kt

trailing edge parameter

lambda1

leading edge parameter

lambdat

trailing edge parameter

alpha

leading edge parameter

beta

trailing edge parameter

Value

The function evaluated at times x.

References

Jianwei Li. Development and Evaluation of Flexible Empirical Peak Functions for Processing Chromatographic Peaks. Anal. Chem., 69 (21), 4452-4462, 1997. http://dx.doi.org/10.1021/ac970481d