mdatools (version 0.7.0)

plotResiduals.pca: Residuals plot for PCA

Description

Shows a plot with Q residuals vs. Hotelling T2 values for selected number of components.

Usage

"plotResiduals"(obj, ncomp = NULL, main = NULL, xlab = "T2", ylab = "Squared residual distance (Q)", show.labels = F, show.legend = T, show.limits = T, ...)

Arguments

obj

a PCA model (object of class pca)

ncomp

how many components to use (if NULL - user selected optimal value will be used)

main

main title for the plot

xlab

label for x axis

ylab

label for y axis

show.labels

logical, show or not labels for the plot objects

show.legend

logical, show or not a legend on the plot

show.limits

logical, show or not lines with statistical limits for the residuals

...

other plot parameters (see mdaplotg for details)

Details

See examples in help for pca function.