Regression Analysis, R Squared, Pseudo R Squared, Adjusted R Squared, Deviance.
model wasn’t able to explain. Conversely: 1 — (Residual Sum of Squares)/(Total Sum of Squares) is the fraction of the variance in y that your regression model was able to explain. We will now state the formula for R² in terms of RSS and TSS as follows: Formula for R-squared (Image by Author) Here