Re: [R] Error with psi value for 'segmented' package for R

2012-05-08 Thread Vito Muggeo (UniPa)
dear Szymon, what do you mean "it does not work for others.. that fit within similar range"? Each dataset has its own features and breakpoint estimation is not as simple as estimation of linear models even if your data "fit within similar range". I will contact you out of the list for detai

[R] Error with psi value for 'segmented' package for R

2012-05-08 Thread Szymon Biskup
Hi everyone, while trying to use 'segmented' (R i386 2.15.0 for Windows 32bit OS) to determine the breakpoint I got stuck with an error message and I can't find solution. It is connected with psi value, and the error says: Error in seg.glm.fit(y, XREG, Z, PSI, weights, offs, opz) : (Some)