Rcpp (>= 1.0.8), RcppParallel (>= 5.1.4), ggplot2,
GeneralizedUmatrix
DataVisualizations, rgl, grid, mgcv, png, reshape2, fields,
ABCanalysis, plotly, deldir, methods, knitr (>= 1.12),
rmarkdown (>= 0.9), ProjectionBasedClustering