Here I define a helper function that calculates $R^2$ score, It is defined as $$ R^2 = 1 \frac{SS_{res}}{SS_{tot}} = 1 \frac{\sum (y_i \hat{y}_i)^2}{\sum (y_i \bar{y})^2} $$ Where: $SS_{res}$ (Sum of Squared Residuals) represents the error variance o     Here I define a helper function that calculates $R^2$ score, It is defined as $$ R^2 = 1-\frac{SS_{res}}{SS_{tot}} = 1-\frac{\sum (y_i-\hat{y}_i)^2}{\sum (y_i-\bar{y})^2} $$ Where:-$SS_{res}$ (Sum of Squared Residuals) represents the error variance o     Nikky Thorne's Teen Club     Club q     Club-Q BOKO     club q boko     Club-Q     All fans club photo twitter     Twitter all fans club     Club sex     THE Triangle CLUB     wake up club     sun and moon club     Ctud club 001     miko club     Ishtar Japanese dominatrix club     Cock Club     Night club     Heejin Secret Club     CLUB 425     mate1.club     Chihan.club     roosters club     rooster club     roosters club te     chihan club     Vietnam bar     onlyfans elles club