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 14 Calibration results of NLME H–D models of N. pumilio. Bold: statistics of selected models

Alternatives	Simple NLME model			Generalized NLME model
Alternatives	MAPE	MPE	MSPE	MAPE	MPE	MSPE
Only diameters/only diameters and stand variables are measured	0.268	− 16.932	16.134	0.356	− 28.892	28.091
+ 1 height random tree	0.257	− 16.124	15.475	0.343	− 27.789	27.045
+ 2 height random trees	0.247	− 15.345	14.821	0.330	− 26.749	26.012
+ 3 height random trees	0.236	− 14.623	14.168	0.317	− 25.726	25.028
+ 4 height random trees	0.226	− 13.969	13.559	0.304	− 24.631	23.964
+ 5 height random trees	0.215	− 13.052	12.885	0.289	− 23.476	22.863
+ 6 height random trees	0.205	− 12.422	12.251	0.277	− 22.501	21.837
+ 7 height random trees	0.193	− 11.591	11.523	0.265	− 21.494	20.944
+ 8 height random trees	0.184	− 11.059	11.022	0.251	− 20.403	19.845
Individual fit to data from each stand (ONLS)	0.204	− 6.344	11.826

ISSN: 1297-966X