R help - Dec 2011 - Find x value of density plots

Hello All,

How do I find the x value at max density for say, this plot
plot(density(rnorm(1000)))


Thank you,
P

	[[alternative HTML version deleted]]

?density
... and pay attention to the "Value" details.

-- Bert

On Tue, Dec 6, 2011 at 10:42 AM, Pavan G <pavan.namd at gmail.com>
wrote:
> Hello All,
>
> How do I find the x value at max density for say, this plot
> plot(density(rnorm(1000)))
>
>
> Thank you,
> P
>
> ? ? ? ?[[alternative HTML version deleted]]
>
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm

On 06/12/2011 1:42 PM, Pavan G wrote:
> Hello All,
>
> How do I find the x value at max density for say, this plot
> plot(density(rnorm(1000)))
d <- density(rnorm(1000))
plot(d)

abline(v=d$x[which.max(d$y)])

Duncan Murdoch