Table 7: Dataset selection, scoring function, and indexing method comparisons for eight LUSMS in the Mai-Negus catchment of northern Ethiopia.

SQ indexing methodLinear scoring functionNonlinear scoring function
ILIILIIILINIIN
Range Range Range Range Range

Unscreened-SQIa0.410–0.9132.2270.475–0.9411.9810.405–0.8992.2200.562–0.9561.7010.559–0.9531.705
PCA-SQIa0.347–0.9132.6310.418–0.9232.2080.341–0.8812.5840.513–0.9731.8980.546–0.9641.766
Unscreened-SQIb0.397–0.9372.3600.434–0.9432.1730.361–0.9252.5620.511–0.9661.8900.508–0.9641.897
PCA-SQIb0.335–0.7962.3760.369–0.7992.1650.307–0.7792.5370.420–0.8181.9520.418–0.8161.948

Mean2.3992.1322.4761.8591.830

denotes minimum dataset chosen using principal component analyses (PCA).
denotes minimum dataset chosen by expert opinion (EO).
IL: Liebig method LSF; IIL: Homothetic transformation method of LSF; IIIL: Glover method LSF; IN: CurveExpert method NLSF; IIN: Glover method NLSF; S: Sensitivity analysis; LSF: linear scoring function; NLSF: nonlinear scoring function.