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Re: st: Fitting the integral of an unknown function


From   "Tiago V. Pereira" <tiago.pereira@incor.usp.br>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Fitting the integral of an unknown function
Date   Fri, 6 Feb 2009 12:42:40 -0200 (BRST)

Thank you very much Alan, Thomas, David, Robert, Svend  and Maarten for
your kind help!

Tiago

Tiago wrote:

I am unsure if the topic is 100% related to the objective I am looking
for, because I failed to find an exact expression in English.

I have two positively correlated variables (say, X and Y) that can range
from 0 to 1.

For every value of X (0 to 1) I have values for Y, giving a non-linear
curve. Is it possible to calculate the area under the curve having only
these data?

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