This menu controls various options relating to the display of splines.
- Double-click your graph and click the Graph Options tab, then click the Spline options button.
Degrees of freedom
Controls how many degrees of freedom are used in the spline.
Y missing
Controls whether to Break the spline at a missing y-value or to Interpolate the y-value.
X missing
Controls whether to Break the spline at a missing x-value or to Ignore the point.