[R] Probabilities greather than 1 in HIST

From: jpmaroco <jpmaroco_at_gmail.com>
Date: Thu, 03 Mar 2011 06:03:21 -0800 (PST)


Dear all,
I am a newbie in R and could not find help on this problem. I am trying to plot an histogram with probabilities in the y axis. This is the code I am using:

#TLC uniform
n=30
mi=1; mx=6
nrep=1000
xbar=rep(0,nrep)
for (i in 1:nrep) {xbar[i]=mean(runif(n,min=mi,max=mx))} hist(xbar,prob=TRUE,breaks="Sturges",xlim=c(1,6),main=paste("n =",n), xlab="Média", ylab="Probabilidade")
curve(dnorm(x,mean=mean(xbar),sd=sd(xbar)),add=TRUE,lwd=2,col="red")

The problem is that I am getting greater than 1 probabilities in the Y axis? Is there a way to correct this?
Many thanks in advance.
Joao

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Received on Thu 03 Mar 2011 - 16:02:08 GMT

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