Dianne Worth <[EMAIL PROTECTED]> wrote:
: I have a multiple regression y=a+b1+b2+b3+b4+b5. My Adj. R-sq is .403.
you can't decompose adjusted R-sqs. The only additive decomposition (and
the only decomposition that makes sense) is the stepwise composition of
R-sq,
adding additional variables in a specified order. This answers a
well-defined question: how much does a set of variables add to a model
given another set of variables. There are no other questions that can be
answered by regression tests. The various SAS tests are all special cases
and DO NOT test the same hypothesis for a particular effect test.
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