Debabrata Midya wrote:
>
>
> Dear R users,
>
> Thanks in advance.
>
>
>
> I am using R 2.9.1 on Windows XP.
>
> In the plot, the density value displays over 1. How can I explain it?
>
> library(urca)
> plot(density(Raotbl1[, 1]))
>
>
>
It's a probability density, not a probability function. The vertical range
doesn't have to be
restricted between 0 and 1. In fact, if the horizontal range is narrow
enough then the
maximum must be > 1, in order for the area under the curve to equal 1.
Ben Bolker
--
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