[R] simple linear regression with proportion data

[SH]

Very useful comment and helpful website!  Many thanks to you!!!

SH

On Fri, Nov 16, 2012 at 5:16 PM, Ben Bolker <bbolker at gmail.com> wrote:
> SH <emptican <at> gmail.com> writes:
>
>>
>> Dear list:
>>
>> 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).
>
>   Depending on what you want to do, and how close the proportion data
> come to 0 or 1, you might choose to use linear regression, or linear regression
> on arcsine-square-root transformed data, or beta regression.  It really
> depends what you want to do with the answers and what your audience expects.
> You might try this on http://stats.stackexchange.com with a bit more context.
>
>    Ben Bolker
>
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