Alternative Equation Formats

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

MathML

r = ∑ i = 2 n e i e i − 1 ∑ i = 1 n e i 2

Math Rendered as SVG

Math as LaTeX Source

\[ r = \frac{\sum _{i=2}^ n e_ i e_{i-1}}{\sum _{i=1}^ n e_ i^2} \]
Copyright © SAS Institute Inc. All rights reserved.