[R] truehist and density plots

[Uwe Ligges]

carol white wrote:
> Hi,
> I wanted to plot the histogram of a vector and then, plot the density function of subsets of the vector on the histogram. So I use truehist in MASS package and lines(density) as follows:
> 
> length(b) = 1000
> truehist(b)
> lines(density(b[1:100]))


I do not undertsand what you mean. Can you please provide a 
*reproducible* example?

Uwe Ligges


> however the density plot of the first 100 points exceeds the max of y axis (see attached). how is it possible to make a graphics so that the density plot of the subsets doesn't go beyond the maximum of all points in the complete set?
> 
> Cheers,
> 
> Carol
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