Recent content by redhulk21

  1. R

    Comparing differences between groups in different samples - which statistical test to chose?

    Not all patients underwent all tests necessarily. And since the tests do not all test the same ability, they all use different units and thus I cannot compare them directly. I attached an example of the data I am dealing with. Would a MANOVA be appropriate? Or should I standardise the data and...
  2. R

    Comparing differences between groups in different samples - which statistical test to chose?

    Dear Karabiner Thank you very much for your reply. Does the repeated measure design still apply if the values of each sleep test do not necessarily belong to the same patients? And what would be the additional grouping factor? Thank you very much redhulk21
  3. R

    Comparing differences between groups in different samples - which statistical test to chose?

    Hello everybody I am doing some research in sleep medicine where I compare the test results of different sleep and vigilance tests. Within these different vigilance test results, the data is sorted in different patient groups. Since my data is non-normally distributed, I performed a...