plot.ppr
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 toppr
. - ask
-
the graphics parameter
ask
: seepar
for details. If set toTRUE
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.
See Also
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)")
})
Community examples
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