Alternative Equation Formats

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MathML

w_{h i j}^{(r)} = {\begin{cases} w_{h i j} & if observation unit j is not in donor stratum h_{r} \\ 0 & if observation unit j is in PSU i of donor stratum h_{r} \\ w_{h i j} / α_{r} & if observation unit j is not in PSU i but is in donor stratum h_{r} \end{cases}

Math Rendered as SVG

Math as LaTeX Source

\[ w_{hij}^{(r)} = \left\{ \begin{array}{ll} w_{hij} & \text {if observation unit } j \text { is not in donor stratum } h_ r \\ 0 & \text {if observation unit } j \text { is in PSU } i \text { of donor stratum } h_ r \\ w_{hij} / \alpha _ r & \text {if observation unit } j \text { is not in PSU } i \text { but is in donor stratum } h_ r \end{array} \right. \]