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Plot Variable Importance in Projection (VIP)

Source: R/pls_analysis.R
plot_pls_vip.Rd

Plot Variable Importance in Projection (VIP)

Usage

plot_pls_vip(
  object,
  comps = NULL,
  threshold = 1,
  palette = c("#4575b4", "#d73027"),
  ...
)

Arguments

object

A fitted PLS model.

comps

Components to aggregate. Defaults to all available.

threshold

Optional threshold to highlight influential variables.

palette

Colour palette used for bars.

...

Additional parameters passed to graphics::barplot().

Value

Invisibly returns the VIP scores used to create the bar plot.

Examples

set.seed(123)
X <- matrix(rnorm(40), nrow = 10)
y <- X[, 1] - 0.5 * X[, 2] + rnorm(10, sd = 0.1)
fit <- pls_fit(X, y, ncomp = 2, scores = "r")
plot_pls_vip(fit)