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Re: st: Fitting the integral of a unknown function


From   David Greenberg <dg4@nyu.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Fitting the integral of a unknown function
Date   Thu, 05 Feb 2009 16:46:54 -0500

You will have to make some assumptions about the nature of the relationship between the two variables. David Greenberg, Sociology Department, New York University

----- Original Message -----
From: "Tiago V. Pereira" <tiago.pereira@incor.usp.br>
Date: Thursday, February 5, 2009 4:09 pm
Subject: st: Fitting the integral of a unknown function
To: statalist@hsphsun2.harvard.edu


> Dear statalisters,
> 
> 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?
> 
> All the best,
> 
> Tiago
> 
> 
> 
> 
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