[R] Histogram

[Mark Difford]

Hi Angelo,

Look carefully at package vcd; and at log-linear models (+ glm(...,
family=poisson)). For overdispersion there are more advanced methods.

HTH, Mark.


Angelo Scozzarella wrote:
> 
> 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
> 
> 
> 
> Thanks
> 
> Angelo Scozzarella
> 
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> 
> 

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