bigPLSR (version 0.7.2)

plot_pls_variables: Plot variable loadings

Description

Plot variable loadings

Usage

plot_pls_variables(
  object,
  comps = c(1L, 2L),
  circle = TRUE,
  circle_col = "grey80",
  arrow_col = "steelblue",
  arrow_scale = 1,
  ...
)

Value

Invisibly returns NULL after drawing the plot.

Arguments

object

A fitted PLS model.

comps

Components to display (length two).

circle

Logical; draw the unit circle.

circle_col

Colour of the unit circle.

arrow_col

Colour of the variable arrows.

arrow_scale

Scaling applied to variable vectors.

...

Additional plotting parameters passed to graphics::plot().

Examples

set.seed(123)
X <- matrix(rnorm(60), nrow = 20)
y <- X[, 1] - 0.5 * X[, 2] + rnorm(20, sd = 0.1)
fit <- pls_fit(X, y, ncomp = 2, scores = "r")
plot_pls_variables(fit)