Table 3. Regression coefficients (and Standard Error: ±) and ROC values for the 4 data sets, using temperature, market access, built-up area and wetland area as independent variables to explain the occurrence of wetland conversion.

	Constant	Temperature	Market influence	Built-up area	Wetland area	ROC
Data set 1	0.25±0.35	0.06±0.02	0.39±0.11	1.52±0.73	-3.86±0.64	0.908
Data set 2	0.21±0.32	0.05±0.02	0.47±0.11	0.03±0.02	-3.45±0.55	0.861
Data set 3	0.41±0.35	0.06±0.02	0.38±0.11	0.14±0.07	-3.76±0.59	0.889
Data set 4	0.43±0.36	0.06±0.02	0.44±0.11	0.31±0.15	-3.88±0.60	0.904