Confidence ellipses for PCA points

Sensory and food industry.

  • Adriano CRUZ
  • Jan 17 2017
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  • Ricardo Araujo commented
    March 17, 2017 11:45

    I agree. Adding a simple ouline for some groups (to allow segmentation) would also be an important complementary idea.

  • Eliz Lee commented
    June 27, 2017 13:56


  • Jean Paul Maalouf commented
    November 23, 2017 15:43

    Hi there, 

    Confidence ellipses for groups can be accessed in the PCA dialog box: 

    Otherwise, we're happy to announce that bootstrap confidence ellipses and convex hulls per observation have been added in version 2017.6