Hi, Try lines function to get a distribution cruve: X<-c(8, 9, 7, 6, 7, 8, 5, 4, 16, 12, 11, 10, 8, 7, 9 ) > hist(X, prob=TRUE) > lines(density(X))
Regrads ML Le 29/11/11 11:04, gwanme...@aol.com a écrit : > Dear Sir, > > I am reviewing a group of patients who had a surgical procedure. The > histogram of the age frequency has a bimodal distribution. I am trying to > emphasise this by adding a distribution curve on the histogram. > > Let's say the ages are 8, 9, 7, 6, 7, 8, 5, 4, 16, 12, 11, 10, 8, 7, 9 for > example. How can I plot a histogram with a distribution curve on it? > > Your help is highly appreciated. > > Ivo > [[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. > -- #################################### Mohamed Lajnef,IE INSERM U955 eq 15# P?le de Psychiatrie # H?pital CHENEVIER # 40, rue Mesly # 94010 CRETEIL Cedex FRANCE # mohamed.laj...@inserm.fr # tel : 01 49 81 32 79 # Sec : 01 49 81 32 90 # fax : 01 49 81 30 99 # #################################### [[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.