Plot PCA groups from anticlustering result — plotPCAgroups • SNPtools

Plot PCA groups from anticlustering result

plotPCAgroups(pca_res, groups, pcs = c(1, 2), filename = NULL)

Arguments

pca_res: A prcomp object.
groups: A factor or vector of group assignments.
pcs: Vector of length 2 indicating which PCs to plot (default: c(1, 2)).
filename: Optional. If provided, saves plot to this file (e.g., "antic.png").

Value

A ggplot object (also prints to screen).

Examples

if (FALSE) { # \dontrun{
res <- runAnticlusteringPCA(nelore_imputed, K = 2, n_pcs = 20)
plotPCAgroups(res$pca, res$groups)
} # }