Synonym: 123 = 123
Statistical metric characterizing the model prediction quality ( goodness of fit ) between the datasets of a given variable
and its estimator LaTeX Math Inline body x
: LaTeX Math Inline body \hat x
...
There are many normalized measures of prediction quality which are more comfortable for computations, with Coefficient of determination (R2) being the most popular.
See also
...
Formal science / Mathematics / Statistics / Statistical Metric
...