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st: logistic -- items vs scale

From   Ben Dulong <[email protected]>
To   <[email protected]>
Subject   st: logistic -- items vs scale
Date   Thu, 01 Aug 2002 07:36:36 -0400

Consider the variables:

y=0  or  y=1

x1=0 or x1=1
x2=0 or x2=1
x3=0 or x3=1

xtotal = x1+x2+x3
xtotal is a scale calculated from the items x1,x2,x3.


Which is the better syntax?

logistic y xtotal


xi: logistic y i.xtotal

Other variables will be included in the model.
Other scales will be calculated from n items.


Thank you.

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