Table 4.

Assessment of spatial heterogeneity in regression modelling, by date.

Modelling approach	Model criterion	24 March	31 March	7 April	14 April
OLS-equivalent	Adj. R²	0.72	0.70	0.70	0.74
OLS-equivalent	$A I C$	307.88	317.77	323.54	296.55
GWR	Adj. R²	0.75	0.72	0.75	0.77
	$A I C$	273.87	291.21	270.19	256.79
	$A I C_{S L R M} - A I C_{G W R}$	34.00	26.57	53.35	39.76
	$A I C c$	296.11	313.44	292.42	279.03
MGWR	Adj. R²	0.75	0.73	0.81	0.77
	RSS	42.32	43.97	27.15	38.26
	$A I C c$	292.49	310.64	259.29	275.87
	$n A I C_{c_{M G W R}} = (A I C_{c_{G W R}} - A I C_{c_{M G W R}})$	3.61	2.80	33.13	3.16

^ƚAIC_c is often used when the ratio of estimated coefficients to cases is small.