model sum of square Flashcards
1
Q
what is SSM
A
to calc PROPORTION OF IMPROVEMENT using model rather MEAN SCORE
2
Q
whats the value of model sum
A
R2
3
Q
what does R2 represent
A
proprotion of vairence in outcome than can be predicted by model
4
Q
formula of r2
A
r2=ssm/ssr
(varience explained by mode/total var explained
- varience found bu data- mean