r - plotting hypervolumes from hypervolume() in 3d -

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i using hypervolume package construct hypervolumes in n-dimensional space.

i can't figure out how tweak 3d plots when plot() operated on object of class 'hypervolume' or 'hypervolumelist'. arguments listed in package documentation function 'plot.hypervolumelist' (pg 21).

example using data included package:

# call data , run routine create hypervolumelist require(hypervolume) data(finch) dohypervolumefinchdemo = t demo(finch)  # create 3d plot of hypervolumelist plot(hv_finches_list, pairplot = f)

specific questions follow. included code tried--but doesn't work.

  1. how change size of data points?

    plot(hv_finches_list, pairplot = f, cex.data = 5)

  2. how choose whether plot uniformly random points?

    plot(hv_fiches_list, pairplot = f, showrandom = t)

  3. is possible add centroids or contours 3d plot?

    plot(hv_finches_list, pairplot = f, showcentroid = t)


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