Re: [R] Interpretation / Usage of davies.test

2014-02-17 Thread Vito M. R. Muggeo
dear Katie, Since you are looking for exactly 1 breakpoint (namely you know the number of breakpoints), I suggest to use bootstrap restarting (default in segmented) with the rough value from davies.test() as a starting value, namely o<-davies.test(reg1.2,~lagBYmean) start.psi<-as.numeric(o$st

[R] Interpretation / Usage of davies.test

2014-02-17 Thread Katharina Mersmann
Hello R-Users, I have a Problem in understanding my results using the davies.test I read the pdf-documentation on the segmented package and followed the instructions. 1st performing the Davies.test : > davies.test(reg1.2,~lagBYmean) Davies' test for a change in the slop