V1 done 9
V2 done 10
V3 done 10
V4 done 11
                 size   mean
var ex    split             
V1  X_OLD test     35 -10.37
          train    74  -3.49
    X_T50 test     35 -15.13
          train    74  -8.79
V2  X_OLD test    175  -4.00
          train   254  -2.21
    X_T50 test    175  -2.84
          train   254  -3.26
V3  X_OLD test    189  -4.33
          train   271  -1.74
    X_T50 test    189  -7.04
          train   271  -2.76
V4  X_OLD test    156  -4.75
          train   223  -2.20
    X_T50 test    156  -1.76
          train   223  -3.77 {'both': 0, 'nobar': 0}
random 81895 25