# NOT RUN {
data(fish) # 4 fish, 3 isotopes
# generate 10 parameter draws from the posteriors of each fish with default prior
nsamples <- 10
fish.par <- tapply(1:nrow(fish), fish$species,
function(ii) niw.post(nsamples = nsamples, X = fish[ii,2:4]))
# format data for plotting function
fish.data <- tapply(1:nrow(fish), fish$species, function(ii) X = fish[ii,2:4])
clrs <- c("black", "red", "blue", "orange") # colors for each species
niche.plot(niche.par = fish.par, niche.data = fish.data, pfrac = .1,
iso.names = expression(delta^{15}*N, delta^{13}*C, delta^{34}*S),
col = clrs, xlab = expression("Isotope Ratio (\u2030)"))
# }
Run the code above in your browser using DataLab