Plot of scores — plo_obs • morepls

Plots the scores of the observations of a PLS regression.

plo_obs(object, comps = 1:2, col = "black", size = 1.5)

Arguments

object: an object of class mvr from pls package
comps: the components to use. Default is c(1,2).
col: the color of the points.
size: numerical value. The size of the points.

Value

a ggplot2 object

References

Martens, H., Næs, T. (1989) Multivariate calibration. Chichester: Wiley.

Tenenhaus, M. (1998) La Regression PLS. Theorie et Pratique. Editions TECHNIP, Paris.

Author

Nicolas Robette

Examples

library(pls)
data(yarn)
pls <- mvr(density ~ NIR,
           ncomp = 5,
           data = yarn,
           validation = "CV",
           method = "oscorespls")
plo_obs(pls)