Alternative Equation Formats

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MathML

r_{i}^{D} = s i g n (r_{i}^{L}) {2 \log [\frac{{\hat{S}}_{0} (L_{i})^{η_{i}} - {\hat{S}}_{0} (R_{i})^{η_{i}}}{{\hat{S}}_{0} (L_{i})^{\exp (Z_{i}^{'} \hat{β})} - {\hat{S}}_{0} (R_{i})^{\exp (Z_{i}^{'} \hat{β})}}]^{1 / 2}}

Math Rendered as SVG

Math as LaTeX Source

\[ r_ i^ D = \mr{sign}(r_ i^ L) \Big\{ 2 \log \Big[ \frac{\hat{S}_0(L_ i)^{\eta _ i}-\hat{S}_0(R_ i)^{\eta _ i}}{\hat{S}_0(L_ i)^{\exp (\bZ _ i' \hat{\bbeta })}-\hat{S}_0(R_ i)^{\exp (\bZ _ i' \hat{\bbeta })}} \Big]^{1/2} \Big\} \]