Alternative Equation Formats

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MathML

W = \frac{\sum_{i = 1}^{N} \sum_{t = 1}^{T - 1} \sum_{s = t + 1}^{T} {\hat{u}}_{i t} {\hat{u}}_{i s}}{{[\sum_{i = 1}^{N} {(\sum_{t = 1}^{T - 1} \sum_{s = t + 1}^{T} {\hat{u}}_{i t} {\hat{u}}_{i s})}^{2}]}^{1 / 2}} \to N (0, 1)

Math Rendered as SVG

Math as LaTeX Source

\begin{equation*} W = \frac{\sum _{i = 1}^{N}\sum _{t = 1}^{T-1}\sum _{s = t + 1}^{T}\hat{u}_{it}\hat{u}_{is}}{\left[\sum _{i = 1}^{N}\left(\sum _{t = 1}^{T-1}\sum _{s = t + 1}^{T}\hat{u}_{it}\hat{u}_{is}\right)^{2}\right]^{1/2}}\rightarrow \mathcal{N}\left(0,1\right) \end{equation*}