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segment_is_
2009 Jan 26
1
Error in segmented() output from segmented package
Hi-
I'm gettting the following error message when trying to use the segmented
function to look for breakpoints in my data.
Error in segmented.glm(glm, seg.Z = ~segmentdist, psi = 2, control =
seg.control(display = F), :
(Some) estimated psi out of its range
Here are some real data and the models I'm calling which gives the error
above.
> segmentdist
[1] 0.000000 8.547576 12.700485 13.291767 15.701552 17.567891 18.936836
19.846242 20.325434 20.397607...