Alternative Equation Formats

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MathML

L (β) = \prod_{i = 1}^{n} {(\frac{\exp (β^{'} Z_{i} (X_{i}))}{\sum_{j = 1}^{n} Y_{j} (X_{i}) w_{j} (X_{i}) \exp (β^{'} Z_{j} (X_{i}))})}^{I (Δ_{i} ϵ_{i} = 1)}

Math Rendered as SVG

Math as LaTeX Source

\[ L(\bbeta ) = \prod _{i=1}^ n \left( \frac{\exp (\bbeta '\bZ _ i(X_ i))}{ \sum _{j=1}^ n Y_ j(X_ i)w_ j(X_ i) \exp (\bbeta '\bZ _ j(X_ i))}\right)^{I(\Delta _ i\epsilon _ i=1)} \]