I would like to know the answer to this question now that I know what we are
getting at.  integrate() looks like it is the right thing, but it has to use
a function-  I would like to know how to just integrate the area under a
curve with just an input of x and y coordinates.

Stephen

On Tue, Jul 1, 2008 at 5:22 PM, Carl Witthoft <carl@witthoft.com> wrote:

> I think the previous answer (to use lm() ) is not necessarily the best
> option.
>
> Since what you want is the definite integral (area under the curve), you
> can just use one of the existing definite integration tools (sorry, I don't
> recall the names because I don't use them).
>
> If you want to get a "smoothed" curve to remove errors in your data points,
>  I'd recommend fitting a spline and integrating under that.
>
>
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>



-- 
Let's not spend our time and resources thinking about things that are so
little or so large that all they really do for us is puff us up and make us
feel like gods. We are mammals, and have not exhausted the annoying little
problems of being mammals.

-K. Mullis

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