[EMAIL PROTECTED] writes: > Hi All, > > I want to use "hist" to get the relative frequency plot. But the range of > ylab is greater than 1,which I think it should be less than 1 since it > stands for the probability.
No, it stands for density, as the y label says. The sum of the areas of the bars is 1. Put differently, if you rescale the x axis, the y axis needs rescaling by the inverse factor. > Here is my code: > > x<-c(1,1,1,0,0,1,1,5,1,1,0,1,1,0,1,0,1,1,0,0,1,1,1,1,1,1,1,1,1,4,1,0,2,1,1,1 > ,1,1,0,0,1,0,1,1,1,1,1,1,1,1,1) > > hist(x,breaks=52,main=NULL,freq=FALSE,border=TRUE,xlab="days",xlim=c(0,6),yl > im=c(0,10),lty=2) > > > But when I tried the other vector,the ylab is less than 1.The code is: > > y<-c(6,4,6,6,4,6,5,4,7,5,6,6,8,6,17,9,8,4,6,3,5,8,7,12,5,10,6,4,6,13,7,6,6,2 > 5,4,9,9,6,6,6,6,6,9,4,5,5,4,10,5,7,6) > > hist(PLEX2[,2],breaks=52,main=NULL,freq=FALSE,border=TRUE,xlab="days",xlim=c > (0,30),ylim=c(0,1),lty=2) > > I'm confused. Could you please help me with it? > > Thank you! > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
