Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

\begin{aligned} A_{i j} & = \sum_{k > i} \sum_{l > j} n_{k l} + \sum_{k < i} \sum_{l < j} n_{k l} \\ D_{i j} & = \sum_{k > i} \sum_{l < j} n_{k l} + \sum_{k < i} \sum_{l > j} n_{k l} \\ P & = \sum_{i} \sum_{j} n_{i j} A_{i j} (twice the number of concordances) \\ Q & = \sum_{i} \sum_{j} n_{i j} D_{i j} (twice the number of discordances) \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\[ \begin{aligned} A_{ij} & = \sum _{k>i} ~ \sum _{l>j} n_{kl} + \sum _{k<i} ~ \sum _{l<j} n_{kl} \\ D_{ij} & = \sum _{k>i} ~ \sum _{l<j} n_{kl} + \sum _{k<i} ~ \sum _{l>j} n_{kl} \\ P & = \sum _ i \sum _ j n_{ij} A_{ij} \quad \mbox{(twice the number of concordances)} \\ Q & = \sum _ i \sum _ j n_{ij} D_{ij} \quad \mbox{(twice the number of discordances)} \end{aligned} \]