Efficiency analysis
A weight vector is called efficient if no other weight vector is at least as good in approximating the elements of the pairwise comparison matrix, and strictly better in at least one position.
Please follow the link below to the calculator:
References
Bozóki, S., Fülöp, J. (2016): Efficient weight vectors from pairwise comparison matrices,
http://arxiv.org/abs/1602.03311