What's new

r-squared

  1. Nicole Seaman

    YouTube T2-19: Adjusted R^2

    The problem with the typical R-squared (aka, coefficient of variation) is that it can be artificially increased by simply adding more independent variables (aka, regressors). A higher R^2 does not necessarily imply that the model is a better fit. The "adjusted R-squared" addresses this problem...
  2. Nicole Seaman

    YouTube T2-17 Regression: R-squared

    The R-squared (aka, coefficient of determination) is a goodness of fit measure. It gives the percentage of TOTAL variation that is explained by the regression line. Here is David's XLS: https://trtl.bz/2Exyu5c
Top