Statistics

The Root-Mean-Squared Error is defined as

${\sqrt {{\bigg \langle }{\big (}x-y{\big )}^{2}{\bigg \rangle }}}$

(1)

The Relative-Mean-Absolute Error is defined as

${\frac {{\bigg \langle }{\big |}x-y{\big |}{\bigg \rangle }}{{\big |}x{\big |}}}$

(2)

The Relative-Mean-Absolute Error is defined as

Failed to parse (syntax error): {\displaystyle \frac { \langle xy \rangle - \langle x \rangle \langle y \rangle }{ \sqrt{ \langle x^2 \rangle - \langle x \rangle ^2 \sqrt{ \langle y^2 \rangle - \langle y \rangle ^2} }

(3)