how to match attributes order of two instances in weka

Question

i have two Instances from StringToWordVector filter' output in this format:

instances1

a b c 
1 3 2 
5 6 7


instances2

b c a
8 9 1
5 7 8

i want to match these attribute and make a merged instances in this format :

a b c
1 2 3
5 6 7 
1 8 9
8 5 7

Answer 1

You can make use of the InputMappedClassifier. If you keep the original doc collection you have two other options described here.