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. 2020 Sep 16;8(9):e18689. doi: 10.2196/18689

Table 4.

Characteristics of three datasets from the University of California Irvine.

Data characteristics Dataset 1 Dataset 2 Dataset 3
Creation date (year/month/day) 2008/06/26 2014/06/12 2009/10/29
Number of subjects



Parkinson disease 23 48 42

Non-Parkinson disease 8 20 0
Number of records (ie, samples) 195 1208 5875
Number of features 22 26 18
Task Classification Classification and regression Regression