# data file with missing values
0.0, 0.0, 0.0
0.1, 0.0, 1.0

1.0, 1.0, 0.0
0.0, 0.5, 0.25

0.1, 1.0232, 2.3033
230.123, 20.132, 2.0
9.009, 923.10, 343.0
30.0, 0.75, 0.25