etg {xcms}R Documentation

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.

Author(s)

Colin A. Smith, csmith@scripps.edu

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


[Package xcms version 1.2.0 Index]