I have been trying to preform both a bartlett's test and an arcsine transformation on some average percentage data. I've tried inputting it different ways and I keep getting the same error message:
> head(workingdata) DYAD BEFORE AFTER 1 BG-FL 4.606772 5.787520 2 BG-LL 5.467503 7.847395 3 AD-MV 5.333735 11.107380 4 MM-FL 5.578708 12.063500 5 MM-MV 2.037605 6.415303 6 MM-RM 6.158885 11.911080 > bartlett.test(BEFORE ~ AFTER) Error in bartlett.test.default(c(4.606772, 5.467503, 5.333735, 5.578708, : there must be at least 2 observations in each group > asin(BEFORE) [1] NaN NaN NaN NaN NaN NaN NaN Warning message: In asin(BEFORE) : NaNs produced I'm at a loss here and I would greatly appreciate any guidance that could be given me. Thank you! -- Claire Sheller Department of Anthropology Tulane University New Orleans, LA 70118 615-210-9129 [[alternative HTML version deleted]] ______________________________________________ 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.