CART® Regression

This example applies to the Healthcare Module. For more information, go to www.minitab.com/healthcare-module.

Example

In this worksheet, Lab Turnaround Time is the response. Number of Specimens is a continuous predictor, and Facility is a categorical predictor. The predictors may explain differences in lab turnaround time.

C1 C2 C3-T
Lab Turnaround Time Number of Specimens Facility
36 10 Hillside Hospital
37 19 Hillside Hospital
46 28 Wellness General Hospital
39 25 Wellness General Hospital

How-to

  1. From the Healthcare KPIs: Predict Lab Turnaround Time dialog box, select CART® Regression, then click OK.
  2. In Response, enter the lab turnaround time column. The response is also called the Y variable.
  3. In Continuous predictors, enter the continuous variables that may explain or predict changes in lab turnaround time. The predictors are also called X variables.
  4. In Categorical predictors, enter the categorical classifications or group assignments, such as facility, that may explain or predict changes in lab turnaround time. The predictors are also called X variables.
  5. Click OK.
Tip

For more information about this analysis, click Help in the main dialog box.