Hi, I am newbie in R programming and I need some help. I have two columns the first has 1000 values Y/N/U and the other has f/m. Like that :
q7 sex ====== U m U f U m N f I want to do one way anova parametric and no parametric. But I have some problems. Code: frameq7 <- data.frame(q7,sex) frameq7 r <- aov(q7 ~ sex, data = frameq7) summary(r) I take Error in storage.mode(y) <- "double" : invalid to change the storage mode of a factor In addition: Warning message: In model.response(mf, "numeric") : using type="numeric" with a factor response will be ignored Could you help me please to make it wright ? And finally how can I present this analysis ? with boxplot ? Thanks a lot -- View this message in context: http://r.789695.n4.nabble.com/Problem-with-qualitative-variables-in-anova-tp3483845p3483845.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list 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.
