var,ex,test,train
V1,X_OLD,-9.19,-2.36
V1,X_T50,-14.09,-7.85
V2,X_OLD,-2.72,-1.04
V2,X_T50,-1.76,-2.3
V3,X_OLD,-3.03,-0.52
V3,X_T50,-5.95,-1.76
V4,X_OLD,-3.48,-0.99
V4,X_T50,-0.68,-2.78