Alternative Equation Formats

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MathML

{\hat{σ}}_{I}^{2} (t) = {\hat{S}}^{2} (t) \sum_{q_{j} < t} \frac{d_{j}^{'}}{n_{j}^{'} (n_{j}^{'} - d_{j}^{'})} + \frac{1}{M - 1} \sum_{k = 1}^{M} [{\hat{S}}_{K M}^{k} (t) - {\bar{S}}_{K M} (t)]

Math Rendered as SVG

Math as LaTeX Source

\[ \hat{\sigma }^2_{I}(t) = \hat{S}^2(t) \sum _{q_ j < t} \frac{d_ j'}{n_ j'(n_ j' - d_ j')} + \frac{1}{M-1} \sum _{k=1}^{M} [\hat{S}_{KM}^ k(t) - \bar{S}_{KM}(t)] \]