. 2020 Jun 29;15(6):e0235324. doi: 10.1371/journal.pone.0235324

Table 10. Performance of Boosting-based models during 10-fold cross validation and testing stages at Kunming station.

Models	10 Fold cross validation results			Testing results
	RMSE	MAE	Adj_R²	RMSE	MAE	Adj_R²
	mm/d	mm/d	Adj_R²	mm/d	mm/d	Adj_R²
T_max, T_min, Rs
ADA1	0.4682	0.3851	0.8682	0.4675	0.3742	0.8841
GBDT1	0.3507	0.2514	0.9264	0.3735	0.2696	0.9260
XGB1	0.3415	0.2469	0.9301	0.3648	0.2624	0.9294
LGB1	0.3408	0.2457	0.9303	0.3655	0.2616	0.9291
CAT1	0.3338	0.2417	0.9331	0.3557	0.2538	0.9329
T_max, T_min, RH
ADA2	0.4430	0.3525	0.8816	0.5061	0.3937	0.8642
GBDT2	0.4156	0.3253	0.8962	0.4346	0.3354	0.8998
XGB2	0.4039	0.3168	0.9020	0.4199	0.3262	0.9065
LGB2	0.4028	0.3158	0.9025	0.4166	0.3236	0.9079
CAT2	0.3977	0.3106	0.9049	0.4110	0.3173	0.9104
T_max, T_min, U₂
ADA3	0.5864	0.4690	0.7933	0.6212	0.4958	0.7953
GBDT3	0.4982	0.3868	0.8503	0.5096	0.4015	0.8622
XGB3	0.4887	0.3807	0.8559	0.4982	0.3925	0.8683
LGB3	0.4871	0.3791	0.8569	0.4998	0.3941	0.8675
CAT3	0.4785	0.3721	0.8618	0.4890	0.3819	0.8732
T_max, T_min
ADA4	0.6290	0.5001	0.7630	0.6779	0.5351	0.7564
GBDT4	0.5791	0.4494	0.7988	0.5890	0.4603	0.8161
XGB4	0.5665	0.4437	0.8076	0.5785	0.4570	0.8226
LGB4	0.5633	0.4398	0.8103	0.5720	0.4476	0.8266
CAT4	0.5542	0.4314	0.8157	0.5620	0.4387	0.8325
T_max, T_min, Ra
ADA5	0.6152	0.4864	0.7731	0.6373	0.5038	0.7845
GBDT5	0.5087	0.3899	0.8448	0.5250	0.4059	0.8538
XGB5	0.5007	0.3828	0.8498	0.5118	0.3947	0.8611
LGB5	0.4996	0.3829	0.8504	0.5162	0.3982	0.8587
CAT5	0.4914	0.3766	0.8551	0.4906	0.3768	0.8724
T_max, T_min, J
ADA6	0.5392	0.4227	0.8254	0.5712	0.4467	0.8269
GBDT6	0.4735	0.3662	0.8654	0.4933	0.3831	0.8709
XGB6	0.4607	0.3561	0.8726	0.4772	0.3716	0.8792
LGB6	0.4602	0.3558	0.8729	0.4772	0.3719	0.8792
CAT6	0.4507	0.3486	0.8780	0.4624	0.3592	0.8866