Creates spaghetti-style diagnostic plots with individual ID labels.
DxPlotPost(x, y, mat, xlbl, ylbl, smooth, xlm = "", ylm = "", Log = "")numeric vector, x-axis values
numeric vector, y-axis values
data.frame with an ID column
character, x-axis label
character, y-axis label
character, "T" for lowess smoothing, "F" for identity line
numeric vector of length 2, x-axis limits
numeric vector of length 2, y-axis limits
character, log transformation for axes (e.g., "y")