Alternative Equation Formats

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MathML

l_{i} = \frac{w_{i}}{ϕ} [r_{i} \log (p_{i}) + (n_{i} - r_{i}) \log (1 - p_{i})]

\[ l_ i = \frac{w_ i}{\phi }[r_ i \log (p_ i) + (n_ i-r_ i) \log (1-p_ i)] \]