Re: [R] Pseudo-Voigt fit

2005-09-02 Thread ppancoska
r-help@stat.math.ethz.ch Subject Re: [R] Pseudo-Voigt fit

Re: [R] Pseudo-Voigt fit

2005-09-01 Thread Spencer Graves
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,

[R] Pseudo-Voigt fit

2005-08-26 Thread ppancoska
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)