| plot.ppr {stats} | R Documentation |
Plot ridge functions for projection pursuit regression fit.
## S3 method for class 'ppr': plot(x, ask, type = "o", ...)
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 |
None
A series of plots are drawn on the current graphical device, one for each term in the fit.
attach(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)")
detach()