Thank you very much! Pete
> On Mar 16, 2016, at 2:16 AM, PIKAL Petr <petr.pi...@precheza.cz> wrote: > > Hi > > Thanks for providing working example. > > See in line > >> -----Original Message----- >> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Miksza, >> Peter John >> Sent: Wednesday, March 16, 2016 1:46 AM >> To: r-help@r-project.org >> Subject: [R] Trouble plotting interaction with brkdn.plot from plotrix >> package >> >> Hello, >> >> I'm exploring different ways to plot interactions for mixed-design >> ANOVA and am having difficulty getting the brkdn.plot() function in the >> R plotrix package to work. >> >> The interaction.plot() is working fine, but I'd really like to be able >> to customize the plot more as the brkdn.plot() function seems to be >> able to do. >> >> Any help pointing out my error(s) would be much appreciated. >> >> Pete Miksza >> >> IU Jacobs School of Music, Bloomington, IN >> >> Here is an example of my code: >> >> set.seed(1976) >> Y = rnorm(1600, 5, 2) >> A = c(rep(1, 200), rep(2, 200), rep(1, 200), rep(2, 200), rep(1, 200), >> rep(2, 200), rep(1, 200), rep(2, 200)) >> B = c(rep(1, 400), rep(2, 400), rep(3, 400), rep(4, 400)) >> A = factor(A, levels = c(1, 2), labels = c("Treat", "Control")) >> B = factor(B, levels = c(1, 2, 3, 4), labels = c("One", "Two", "Three", >> "Four")) >> dat = data.frame(Y, A, B) >> str(dat) >> >> # I can't figure out why this doesn't work >> library(plotrix) >> brkdn.plot("dat$Y", "dat$B", "dat$A", data = dat) > > You shall call only variable names not data frame itself. > > brkdn.plot("Y", "B", "A", data = dat) > brkdn.plot(Y~B+A, data = dat) > > works > > Cheers > Petr > >> >> # this works >> interaction.plot(dat$B, dat$A, dat$Y, fun = mean) >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting- >> guide.html >> and provide commented, minimal, self-contained, reproducible code. > > ________________________________ > Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a jsou > určeny pouze jeho adresátům. > Jestliže jste obdržel(a) tento e-mail omylem, informujte laskavě neprodleně > jeho odesílatele. 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