plot.nmf.rank: Plot a rank-selection (nmf.rank) object

In nmfkc: Non-Negative Matrix Factorization with Kernel Covariates

Plot a rank-selection (nmf.rank) object

Description

Draws the concise three-criterion rank-selection plot for an object returned by nmfkc.rank (or nmfkc.net.rank, nmfkc.signed.rank, nmfae.rank, nmfae.signed.rank): r.squared (red) and the effective-rank utilization eff.rank (green) on the left [0, 1] axis, and the cross-validation error sigma.ecv (blue) on the right axis, each with points, rank-number labels and a highlighted best marker.

Usage

## S3 method for class 'nmf.rank'
plot(
  x,
  main = NULL,
  xlab = "Rank (Q)",
  ylab = "R-squared / eff.rank (0-1)",
  lwd = 3,
  ...
)

Arguments

x	An object of class "nmf.rank".
main	Plot title (defaults to the title stored in x).
xlab, ylab	Axis labels.
lwd	Line width of the criterion curves.
...	Further arguments passed to the initial plot.

Value

x, invisibly.

See Also

nmfkc.rank

nmfkc documentation built on July 14, 2026, 1:07 a.m.