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RE: st: RE: Linear Composites


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   RE: st: RE: Linear Composites
Date   Mon, 10 Jul 2006 17:24:27 +0100

You are thus hovering on the margin. 

A linear composite given variables x_j 
I would understand to be a sum of terms 

b_j * x_j 

including the possibility that it is 
convenient to define some x_0 as identically 1. 

If you know the b_j, you can calculate a composite
using -generate-. 

If you don't know the b_j, you need to estimate
them, and -regress- is the most obvious way. 

Nick 
[email protected] 

[email protected]
 
> The question concerns my economics Honours thesis.
> 
> Quoting Nick Cox <[email protected]>:
> 
> > Is this your homework or a student project?
> > If so, please note Statalist policy:
> >
> > "Please do not post homework questions, and
> > please ignore any that are posted."

[email protected]

> > > I have observations on several different batting and bowling
> > > variables for each
> > > team in my study of production functions in professional
> > > cricket. I need to
> > > scale each team along batting and bowling dimenstions by 
> use of linear
> > > composites. The ultimate aim is to assess the influence of
> > > batting and bowling
> > > performances in general.
> > >
> > > I am struggling to find a precise definition of linear
> > > composites to aid my
> > > understanding. Also, how do I go about computing linear
> > > composites using stata
> > > and estimating a regression using linear composites?

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