Table 3 Possible combinations determining the sign of LM index, Ii
| Â | \( {\sum}_{\boldsymbol{j}=\mathbf{1}}^{\boldsymbol{n}}{\boldsymbol{w}}_{\boldsymbol{ij}}{\boldsymbol{z}}_{\boldsymbol{j}}>\mathbf{0} \) | \( {\sum}_{\boldsymbol{j}=\mathbf{1}}^{\boldsymbol{n}}{\boldsymbol{w}}_{\boldsymbol{ij}}{\boldsymbol{z}}_{\boldsymbol{j}}<\mathbf{0} \) |
|---|---|---|
zi > 0 | High-High (Ii > 0) | High-Low (Ii < 0) |
zi < 0 | Low-High (Ii < 0) | Low-Low (Ii > 0) |