plot.testSlopes is a method for the generic function plot. It has been revised so that it creates a plot illustrating the marginal effect, using the Johnson-Neyman interval calculations to highlight the "statistically significantly different from zero" slopes.
# S3 method for testSlopes
plot(x, ..., shade = TRUE, col = rgb(1, 0, 0, 0.1))
NULL
A testSlopes object.
Additional arguments that are ignored currently.
Optional. Create colored polygon for significant regions.
Optional. Color of the shaded area. Default transparent pink.