Comparison of Geostatistical Kriging Algorithms for Intertidal Surface Sediment Facies Mapping with Grain Size Data

Table 6

Mapping accuracy statistics by different mapping algorithms.

Statistics	Indicator kriging	Cokriging without alr transformation	Cokriging; with alr transformation
Overall accuracy (%)	63.79	66.09	73.56
Kappa coefficient	0.42	0.44	0.58
Class-wise accuracy (%)
Sand flats	80.65	83.33	83.61
Mixed flats	55.43	56.48	65.85
Mud flats	50.00	75.00	74.19