[R] Histogram

[Vincent Goulet]

Le mer. 23 juil. à 14:29, Angelo Scozzarella a écrit :

> Hi,
>
> how can I treat data organised in classes and frequencies?
>
> Ex.
>
> class		frequency
>
> 20-23			9
> 23-25			7
> 26-28			5
> 29-31			5
> 32-34			3

It depends what you mean by "treat", but package actuar has a function  
grouped.data() to create such objects. Then, there are methods to  
compute the mean or plot the histogram. See the "lossdist" package  
vignette for details.

HTH  Vincent

--
   Vincent Goulet, Associate Professor
   École d'actuariat
   Université Laval, Québec
   Vincent.Goulet at act.ulaval.ca   http://vgoulet.act.ulaval.ca

> Thanks
>
> Angelo Scozzarella