Alternative Equation Formats

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

MathML

y i = x i β 1 + u 1 i             if j = 1 p π j z j i 0 y i = x i β 2 + u 2 i             if j = 1 p π j z j i > 0

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} y_{i} & = & x_{i}' \beta _{1} + u_{1i} ~ ~ ~ ~ ~ ~ \mbox{if} \sum _{j=1}^{p} \, \pi _{j} z_{ji} \; \leq \; 0 \\ y_{i} & = & x_{i}' \beta _{2} + u_{2i} ~ ~ ~ ~ ~ ~ \mbox{if} \sum _{j=1}^{p} \, \pi _{j} z_{ji} \; > \; 0 \end{eqnarray*}