etg: Empirically Transformed Gaussian function

In xcms: LC-MS and GC-MS Data Analysis

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, [e-mail]

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

xcms documentation built on Nov. 8, 2020, 5:13 p.m.