x vs. y. It also allows the user to highlight and annotate subsets of points on the plot, and display fitted curves from robust local regression or other smoothing procedures.
maPlot.func(x, y, z,
lines.func = maLowessLines(subset = TRUE, f = 0.3, col = 1:length(unique(z)), lty = 1, lwd = 2.5), text.func = maText(),
legend.func = maLegendLines(legend = as.character(unique(z)), col = 1:length(unique(z)), lty = 1, lwd = 2.5, ncol = 1),
...)zy as a function of x, separately within values of z, e.g. maLoessLines.maText.maLegendLines.par.maPlot, maLoessLines, maLegendLines, maText, plot, lowess, loess, legend.