Table 6 Classification of relevance level.
\({r}_{0i}\) | (0.95, 1] | (0.85, 0.95] | (0.65, 0.85] | (0.45, 0.65] | (0, 45] |
|---|---|---|---|---|---|
Level | Extremely strong correlation | Strong correlation | Medium correlation | Weaker correlation | Extremely weak correlation |
\({r}_{0i}\) | (0.95, 1] | (0.85, 0.95] | (0.65, 0.85] | (0.45, 0.65] | (0, 45] |
|---|---|---|---|---|---|
Level | Extremely strong correlation | Strong correlation | Medium correlation | Weaker correlation | Extremely weak correlation |