plot.ppr

From stats v3.2.2 by R-core R-core@R-project.org

Plot Ridge Functions for Projection Pursuit Regression Fit

Plot ridge functions for projection pursuit regression fit.

Keywords: hplot

Usage

"plot"(x, ask, type = "o", ...)

Arguments

x: A fit of class "ppr" as produced by a call to ppr.
ask: the graphics parameter ask: see par for details. If set to TRUE will ask between the plot of each cross-section.
type: the type of line to draw
...: further graphical parameters

Value

None

Side Effects

A series of plots are drawn on the current graphical device, one for each term in the fit.

Examples

library(stats)

require(graphics)

with(rock, {
area1 <- area/10000; peri1 <- peri/10000
par(mfrow = c(3,2)) # maybe: , pty = "s")
rock.ppr <- ppr(log(perm) ~ area1 + peri1 + shape,
                data = rock, nterms = 2, max.terms = 5)
plot(rock.ppr, main = "ppr(log(perm)~ ., nterms=2, max.terms=5)")
plot(update(rock.ppr, bass = 5), main = "update(..., bass = 5)")
plot(update(rock.ppr, sm.method = "gcv", gcvpen = 2),
     main = "update(..., sm.method=\"gcv\", gcvpen=2)")
})

Documentation reproduced from package stats, version 3.2.2, License: Part of R 3.2.2

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