# load hydrogen isotope data for human hair in North America
d = subOrigData(group = "Modern human", mask = naMap, niter = 100)
# rescale from environmental isoscape to tissue isoscape
r = calRaster(known = d, isoscape = d2h_lrNA, mask = naMap)
# four unknown-origin examples
id = c("A", "B", "C", "D")
d2H = c(-110, -90, -105, -102)
un = data.frame(id,d2H)
# posterior probabilities
pp = pdRaster(r, unknown = un, mask = naMap)
# random collection locations
sites = d$data[sample(seq(length(d$data)), 4),]
# generate a wDist object
wd = wDist(pp, sites)
# plot distributions
plot(wd)
# plot bearing distriubtion for sample B with a finer bin size
plot(wd, bin = 5, pty = "bear", index = 2)
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