Split-line Regression Options

This menu can be used to set options for a split-line regression.

Display

Specifies the output to be displayed.
Modeldisplays the model.
SummarySummary of the analysis.
EstimatesDisplays estimates of the parameters and confidence interval for the x location of the intersection (or breakpoint) of the lines.
Fitted ValuesDisplays the fitted values.
InterceptsDisplays the x-value at which the model intercepts the y-axis, and the y-value at which it intercepts the x-axis.

Confidence Limit (%)

Specifies the confidence limit for the x location of the intersection (or breakpoint) of the lines. This value should be supplied as a percentage.

Number of grid points for initial search

Specifies the number of grid points used in the initial search for the best point.

Graphics

Specifies the plots to be displayed.
BreakpointPartial likelihood plot displaying the approximate F ratio for the model for a range of positions of the breakpoint between the lines.
Lines plotLines plot of the fitted lines.
Model-checkingComposite plot of a histogram, Normal plot, half-Normal plot and residuals against fitted values.

See Also