Type 3 sum of square [General Statistics]
dear ravi !
there is often a misunderstanding regarding sum of squares. there is in fact only one sum of squares, the improvement of the sum of squares for the alternative hypothesis over the sum of squares for the null hypothesis. With a tool like R (www.R-project.org) you simple fit
Refer to http://www.matthewckeller.com/TypeIorTypeIIISS.pdf for more details.
best regards
martin
there is often a misunderstanding regarding sum of squares. there is in fact only one sum of squares, the improvement of the sum of squares for the alternative hypothesis over the sum of squares for the null hypothesis. With a tool like R (www.R-project.org) you simple fit
model1
then fit model2
and compare fits using anova(model1, model2)
.Refer to http://www.matthewckeller.com/TypeIorTypeIIISS.pdf for more details.
best regards
martin
Complete thread:
- Type 3 sum of square Ravi 2008-06-02 10:39
- Type 3 sum of square Ohlbe 2008-06-02 11:57
- Type 3 sum of squaremartin 2008-06-03 22:40
- Type 3 sum of square Helmut 2008-06-05 00:25