Degrees of freedom plot for score distance (Nh)
Shows a plot with degrees of freedom computed for score distances at given number of components using data driven approach ("ddmoments" or "ddrobust").
plotT2DoF( obj, type = "b", labels = "values", xticks = seq_len(obj$ncomp), ylab = "Nh", ... )
obj
: a PCA model (object of class pca
)type
: type of the plot ("b", "l", "h")labels
: what to show as data points labelsxticks
: vector with tick values for x-axisylab
: label for y-axis...
: other plot parameters (see mdaplotg
for details)Work only if parameter lim.type
equal to "ddmoments" or "ddrobust".