data/preprocessing/input_test.csv

   1 ID,field1,field2,field3
   2 1,Z28,1.05,NA
   3 1,A32,2.,NA
   4 1,B21,3.,0
   5 2,F12,1e4,0
   6 2,H234,1.,1
   7 2,J785,0.,1
   8 3,S213,4.,0
   9 3,NaN,50.,-15,NA
  10 4,R234,2.1e2,1
  11 4,P0,2,NA
  12 4,D2,-23e3,0
  13 4,V23,-3.1e1,0
  14 5,N52,3.25e2,NaN
  15 5,NaN,-2.0e3,NaN
  16 5,I3,15.55,NA