chemometrics (version 0.5)

plotcompmvr: Component plot for repeated DCV

Description

Generate plot showing optimal number of components for Repeated Double Cross-Validation

Usage

plotcompmvr(mvrdcvobj, ...)

Arguments

mvrdcvobj

object from repeated double-CV, see mvr_dcv

...

additional plot arguments

Value

• optcomp
  optimal number of components
• compdistrib
  frequencies for the optimal number of components

Details

After running repeated double-CV, this plot helps to decide on the final number of components.

References

K. Varmuza and P. Filzmoser: Introduction to Multivariate Statistical Analysis in Chemometrics. CRC Press, Boca Raton, FL, 2009.

See Also

mvr

Examples

require(pls)
data(yarn)
res <- mvr_dcv(density~NIR,ncomp=10,data=yarn,method="simpls",repl=10)
plot2 <- plotcompmvr(res)