Alternative Equation Formats

$$\begin{array}{rcl}n& =& \text{number of observations}\\ q& =& \text{number of expanded independent variables}\\ r& =& \text{number of expanded dependent variables}\\ k& =& \text{maximum spline degree}\\ p& =& \text{maximum number of knots}\end{array}$$

$$\begin{array}{rcl}n& =& \text{number of observations}\\ q& =& \text{number of expanded independent variables}\\ r& =& \text{number of expanded dependent variables}\\ k& =& \text{maximum spline degree}\\ p& =& \text{maximum number of knots}\end{array}$$

\begin{eqnarray*} n & = & \mbox{number of observations} \\ q & = & \mbox{number of expanded independent variables} \\ r & = & \mbox{number of expanded dependent variables} \\ k & = & \mbox{maximum spline degree} \\ p & = & \mbox{maximum number of knots} \\ \end{eqnarray*}