cat1,cat2,cat3,cat4,num1 A,X,X,X,0.21 B,X,X,X,0.25 C,X,X,X,0.29 D,2a,X,X,0.81 E,2b,X,X,0.89 F,X,3a,X,0.41 G,X,3b,X,0.49 H,X,X,4a,0.01 I,X,X,4b,0.06 J,X,X,4c,0.09