Lung CT analyzer - statistical analysis

Thank you for always your help.
I can’t click the button on the computer results in the lung CT analyzer. Is there any installation required?
I was successful in setting the threshold. However, I am unable to perform statistical analysis.
Could you please give me a good resolution?

Slicer version: 3Dslicer 5.2.1

Here is the normal workflow:

  • Start 3D Slicer

  • Load your data set (you can try the CTChest sample dataset)

  • Select the Lung CT Segmenter extension


  • Create a lung segmentation

  • Select the Lung CT Analyzer extension

  • Select the segmentation you made

  • Press “Compute results”