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6 Applications and Methods in Biosignal Processing

26. Why do the histograms in Figure 6.49 prove the influence of an aneurysm in the

data?

27. What other possible coefficients could you imagine to take as features for a clas-

sification „aneurysm“ vs. „control group“?

28. Why is it necessary to ensure that two measurements of the same patient are not

split between test and training set?

29. Why is it important to measure the PPG-data always in quiescent condition and

supine position?

30. What is the motivation to use transfer-function parameters as features for the clas-

sification?