[R] adding planes/lines to 3d surface plots? (persp, wireframe)

() and par (new = TRUE), but the second surface obscures the first. Thanks, Sam Yeaman UBC Department of Zoology __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-proj

[R] ANOVA contrast matrix vs. TukeyHSD?

ntific interest, for example if c vs. h, mc vs. c, and mh vs. h are all different, I have no way of knowing if mc vs. mh is significantly different by examining the other contrasts. Sorry if these questions are ignorant...I have spent a long time trying to figure it out and haven't found the answer in