Hi, Is this a bug from hist() ? The total density is greater than 1.
> test [1] 0.05077802 -0.50585520 -0.98053648 -0.35513059 0.86767129 0.61736097 [7] 0.14264062 0.26243841 -0.41477782 0.64172618 0.87230953 -0.62570629 [13] 0.43596467 -0.93214106 -0.26781599 > h <- hist(test, freq = FALSE, main="Histogram of correlation", ylab = "Frequency", xlab = "Correlation", ylim =c(0.0, 1.0)) > h$breaks [1] -1.0 -0.5 0.0 0.5 1.0 > h$density [1] 0.5333332 0.4000000 0.5333333 0.5333333 > h$counts [1] 4 3 4 4 Thanks Stanley [[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.