data(linetran)
(dbreaksLine <- c(0, 5, 10, 15, 20))
lengths <- linetran$Length
ltUMF <- with(linetran, {
unmarkedFrameDS(y = cbind(dc1, dc2, dc3, dc4),
siteCovs = data.frame(Length, area, habitat), dist.breaks = dbreaksLine,
tlength = lengths*1000, survey = "line", unitsIn = "m")
})
(fm <- distsamp(~ area ~habitat, ltUMF))
(pb <- parboot(fm))
plot(pb)
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