model sum of square Flashcards

1
Q

what is SSM

A

to calc PROPORTION OF IMPROVEMENT using model rather MEAN SCORE

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2
Q

whats the value of model sum

A

R2

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3
Q

what does R2 represent

A

proprotion of vairence in outcome than can be predicted by model

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4
Q

formula of r2

A

r2=ssm/ssr
(varience explained by mode/total var explained
- varience found bu data- mean

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