[R] analysing data with case weights: rejoinder

[Thomas Lumley]

On Fri, 15 Nov 2002, bojaniss wrote:

> Hello,
>
> Based on replies (which I'm gratefull for) I guess the only solution
> is to create a package, that will contain function to build
> lm()-like linear models, and allow weighting cases (as I described
> two days ago).
>
> This would also alow buliding those models for data in aggregated
> form without a need for using e.g. expand$grid().
>

There's no problem with data in aggregated form, only with probability
weighting.

	-thomas


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