From: Consensus clustering and functional interpretation of gene-expression data
Weighted-kappa
Agreement strength
0.0 ≤ K ≤ 0.2
Poor
0.2 <K ≤ 0.4
Fair
0.4 <K ≤ 0.6
Moderate
0.6 <K ≤ 0.8
Good
0.8 <K ≤ 1.0
Very good