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Hi,

@David Harper CFA FRM had indicated in a thread that -" The

However, there are some other Variations for the

@David Harper CFA FRM had indicated in a thread that -" The

**general form of the F-statistic**is F[numerator df, denominator df] =**(ESS/df)/(RSS/df) "****F -Statistic**is also expressed as = {Sum Of Squares BETWEEN / df-BETWEEN } / { Sum Of Squares WITHIN / df-WITHIN } => This expression of the F-Statistic I conceptually and intuitively understand.However, there are some other Variations for the

**F -Statistic**Formula**F -Statistic = { ( SSR-Restricted - SSR-UNRestricted ) / No of Restrictions } / (**which again I understand the conceptually and intuitively.**SSR-UNRestricted ) /(N-k-1)****Also,**

**F -Statistic = { (R-****UNRestricted ^2 -****R-Restricted ^ 2 ) /q } / ( 1-****R-****UNRestricted ^2 ) /****(N-k-1)****How does (****SSR-Restricted - SSR-UNRestricted ) translate to****(R-****UNRestricted ^2 -****R-Restricted ^ 2 ) given that in general, R^2 = { 1 - SSR/ (SSR + SSExplained)**
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