Produces a scatter plot of the data with overlaid fits.
overlaidSimpleRegressionPlot(x, lwd.reg, col.reg, ...)a fit.models object.
a vector with length equal to the number of models in
x specifying the line widths used in the plot.
a vector with length equal to the number of models in
x specifying the line colors used in the plot.
additional arguments are passed to
xyplot.
the trellis object is invisibly returned.