Calculate Turnbull's Statistic

Choose Turnbull from "Case-Pop Method" in the Methods menu. For SpaceStat to calculate the Turnbull statistic, it needs to know for which datasets at which time(s), the threshold cluster population count to use, and how to name the results datasets.

Click within the sections in the images below for more information.

Input

When the task manager opens for calculating the Turnbull statistic, it will start on the "Input" section.

Advanced

The only option in advanced section for the Turnbull statistic is to change the alpha level.

Output

The output section of the task manager asks for a name stem to use for output files.  The default name for Turnbull ("TB") results for the datasets indicated in the "Input" dialog (above) is shown in the box below.

Run method

The run method page presents a summary of the previous three pages so that you can review the choices you have selected.  If everything here looks correct, select the "Run" button at the bottom of the page.   The map output from this run is shown in the image on the "Turnbull Results" page.