Alternative Equation Formats

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MathML

{\hat{σ}}_{y i}^{2} = \frac{1}{T - 1} \sum_{t = 2}^{T} Δ y_{i t}^{2} + 2 \sum_{L = 1}^{\bar{K}} w_{\bar{K} L} [\frac{1}{T - 1} \sum_{t = 2 + L}^{T} Δ y_{i t} Δ y_{i t - L}]

Math Rendered as SVG

Math as LaTeX Source

\begin{equation*} \hat{\sigma }_{yi}^{2}=\frac{1}{T-1}\sum _{t=2}^{T}\Delta y_{it}^{2}+2\sum _{L=1}^{\bar{K}}w_{\bar{K}L}\left[\frac{1}{T-1}\sum _{t=2+L}^{T}\Delta y_{it}\Delta y_{it-L}\right] \end{equation*}