On 16/06/2008, at 8:07 PM, Peng Jiang wrote:
hi,
I use the example code from a R book ,
> x = rnorm( 100 )
> hist( x, probability = TRUE, col = gray(.9), main="normal mu = 0 ,
sigma = 1") #this works well
> curve( dnorm(x),add =T) # but this does not work and it gives a
warning .
I am using Leopard and does anybody has ever met the problem?
This works fine for me using R 2.7.0 under 10.5.3.
It may be that something previous in your R session has caused the
problem, so try restarting R.
Ken
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