r-help@stat.math.ethz.ch
Subject
Re: [R] Pseudo-Voigt fit
I haven't seen a reply to this question, so I will attempt a few
remarks in spite of some confusion about what you are asking.
1. The function to use for parameter estimation depends on ths
structure of the data. My all-around preference for many purposes is
for optim,
Hi, I am sorry for this question, but I am trying to speed up an
application
I will need to fit many x-y data sets (input from text files) to
4-parameter Pseudo-Voigt peak function.
Until now I used SigmaPlot macro to do it (enclosed just in case...)
peaksign(q) = if(total(q)q[1], 1, -1)