[R] kernel density plot

[Greg Snow]

It is better to replace your later calls to plot with calls to lines instead, then you don't need to use par(new=T) which as you see tends to cause problems.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Muzna Alvi
> Sent: Sunday, April 03, 2011 4:56 AM
> To: r-help at r-project.org
> Subject: [R] kernel density plot
> 
> I am using the following commands for plotting kernel density for three
> kinds of crops
> 
> density(s22$Net_income_Total.1, bw="nrd0",adjust=1,
> kernel=c("gaussian"))->t
> plot(t, xlim=c(-30000,40000), main="Net Income Distribution", axes=F,
> ylim=c(0,0.00035). xlab="Value in Rupees")
> par(new=T)
> density(s33$Net_income_Total.1, bw="nrd0",adjust=1,
> kernel=c("gaussian"))->u
> plot(u, xlim=c(-30000,40000), axes=F, main="", col="red",
> ylim=c(0,0.00035))
> par(new=T)
> density(s44$Net_income_Total.1, bw="nrd0",adjust=1,
> kernel=c("gaussian"))->v
> plot(v, xlim=c(-30000,40000), col="blue", axes=F, main="",
> ylim=c(0,0.00035))
> 
> the problem is that in the graph that is drawn
> 
> 1. the xlab gets hidden with the [N= and the bandwidth=] values
> 2. when i do par(new=T) this N and bandwidth value appears multiple
> times..overlapping each time and making the graph look untidy..
> 
> 
> Is there any way of making these N and Bandwidth values not appear in
> the
> graph?
> 
> Thanks
> 
> --
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> 
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