. 2020 Oct 7;8:e10106. doi: 10.7717/peerj.10106

Table 2. K-fold cross-validation statistics for the TPS interpolation procedure showing R², P_c, MAE (°C) and RMSE (°C) values—averaged for each season.

	Summer	Autumn	Winter	Spring
R²
mean	0.93	0.92	0.9	0.92
min	0.4	0.43	0.04	0.41
max	0.99	0.99	0.99	0.99
sd	0.04	0.05	0.07	0.06
P_c
mean	0.96	0.96	0.95	0.96
min	0.62	0.62	0.19	0.63
max	1	1	1	1
sd	0.02	0.03	0.04	0.03
MAE
mean	1.2	1.2	1.3	1.3
min	0.5	0.5	0.4	0.5
max	2.7	2.5	3	3.1
sd	0.3	0.3	0.4	0.4
RMSE
mean	1.7	1.6	1.7	1.8
min	0.7	0.6	0.5	0.7
max	6.4	7.6	10	7.4
sd	0.4	0.4	0.6	0.5

Note:

sd, standard deviation; min, minimum; max, maximum.

Table 2. K-fold cross-validation statistics for the TPS interpolation procedure showing R2, Pc, MAE (°C) and RMSE (°C) values—averaged for each season.