Determination of optimal tree height models and calibration designs for Araucaria araucana and Nothofagus pumilio in mixed stands affected to different levels by anthropogenic disturbance in South-Central Chile

Table 13 Calibration results of NLME H–D models of A. araucana

Alternatives	Simple NLME model			Generalized NLME model
Alternatives	MAPE	MPE	MSPE	MAPE	MPE	MSPE
Only diameters/only diameters and stand variables are measured	0.210	2.491	38.376	0.206	− 1.237	25.101
+ 1 height random tree	0.202	1.729	35.400	0.200	− 1.226	24.155
+ 2 height random trees	0.195	1.323	33.219	0.193	− 1.189	23.156
+ 3 height random trees	0.188	0.805	30.908	0.187	− 1.311	22.211
+ 4 height random trees	0.181	0.303	28.814	0.179	− 1.230	21.250
+ 5 height random trees	0.174	− 0.007	27.123	0.173	− 1.258	20.303
+ 6 height random trees	0.168	− 0.392	25.459	0.166	− 1.283	19.333
+ 7 height random trees	0.160	− 0.526	23.815	0.159	− 1.175	18.419
+ 8 height random trees	0.153	− 0.831	21.987	0.152	− 1.117	17.367
Individual fit to data from each stand (ONLS)	0.193	− 6.395	17.113

ISSN: 1297-966X