[R] Add function to histogram?

Francisco J. Zagmutt gerifalte28 at hotmail.com
Thu Sep 22 00:11:18 CEST 2005

To be more precise, when using hist(prob=T) the y axis shows the densities. 
If you want relative frequencies (proportions) you can use the histogram(x, 
type=) function in the package lattice or write your own function.



>From: Vincent Goulet <vincent.goulet at act.ulaval.ca>
>Reply-To: vincent.goulet at act.ulaval.ca
>To: r-help at stat.math.ethz.ch
>Subject: Re: [R] Add function to histogram?
>Date: Wed, 21 Sep 2005 17:10:55 -0400
>Le 20 Septembre 2005 09:53, Robert Lundqvist a écrit :
> > Is there any neat way to add a curve (frequency function or the like) to 
> > histogram or other plots? I haven't found one yet...
>The one key thing here is not to forget "prob=TRUE" in the call to hist(), 
>ensure that the y-axis is scaled in proportions, not in frequencies.
>   Vincent Goulet, Professeur agrégé
>   École d'actuariat
>   Université Laval, Québec
>   Vincent.Goulet at act.ulaval.ca   http://vgoulet.act.ulaval.ca
>R-help at stat.math.ethz.ch mailing list
>PLEASE do read the posting guide! 

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