search for: tp24474843p24475260

Displaying 1 result from an estimated 1 matches for "tp24474843p24475260".

2009 Jul 14
2
nls - find good starting values
Hi there, it might be a very simple question and I'd be glad to even get a link to some useful documentation... I have several data sets, I'd like to fit to a gaussian distribution. I've tried to give an estimate of the mean and the sd of this distribution but still, I run into problems if these estimates are not close enough. For example, nls() breaks with this message: singular