R help - Nov 2008 - Inverting integration

Suppose I have a function f(x) (say, f(x)=exp(sin(x)),  how do I find the
number y such that the integral of f(x) on the interval of (-infinity, y) is
equal to a specified number, say, .8?

Thanks,
Yan

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On Sun, 9 Nov 2008, Yan (Daniel) Zhao wrote:
> Suppose I have a function f(x) (say, f(x)=exp(sin(x)),  how do I find the
> number y such that the integral of f(x) on the interval of (-infinity, y)
is
> equal to a specified number, say, .8?
>
> Thanks,
> Yan
>
See ?uniroot

David Scott

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David Scott	Department of Statistics, Tamaki Campus
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