[R] simple linear regression with proportion data

[S Ellison]

> -----Original Message-----
> > Can I use simple linear regression when I have proportion data for 
> > both dependent and independent variables?  Or, should I use beta 
> > regression analysis?  Or any suggestion?
> > 
> 
>   The distribution of the independent variable is irrelevant 
> (in some circumstances it matters whether it is measured 
> without error or not).

Agreed that if you just want a line that goes somewhere near the data you can do pretty much anything.
But don't those circumstances you referred to include 'any time you want an unbiased estimate of the slope or a reliable standard error on coefficients'?

S

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