Alternative Equation Formats

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MathML

\frac{1}{n} Σ_{t = 1}^{n} \frac{(y_{t} - {\hat{y}}_{t})}{y_{t}}

MathML rendered as SVG

$1 over n . cap sigma with subscript t equals 1 , and with superscript n , end sub-superscript . fraction open , y sub t , minus , y hat sub t , close , over y sub t end fraction$

Last updated: March 16, 2026