Table 1. Bias and inaccuracy in composite fire interval (CFI) and individual-tree fire interval (ITFI) estimates if used to estimate fire rotation-total trees/plots within the 96-case calibration dataset.

Measure	Test of bias					Test of inaccuracy
	n	Mean RME (%)	s.e. of mean (%)	t	p	Mean RMAE (%)	s.e. of mean (%)	t	p
Mean CFI—all fires	84	-69.35	2.11	-32.79	<0.001	69.42	2.09	33.27	<0.001
Median CFI—all	76	-70.10	2.62	-26.77	<0.001	70.22	2.57	27.27	<0.001
Weibull Scale CFI—all	58	-69.25	2.28	-30.41	<0.001	69.25	2.28	30.41	<0.001
Weibull Mean CFI—all	58	-72.10	2.03	-35.47	<0.001	72.10	2.03	35.47	<0.001
Weibull Median CFI—all	58	-75.46	1.92	-39.33	<0.001	75.46	1.92	39.33	<0.001
Mean CFI—10% scarred	61	-63.29	2.08	-30.46	<0.001	63.39	2.03	31.27	<0.001
Median CFI—10%	62	-68.69	2.14	-32.11	<0.001	68.79	2.09	32.95	<0.001
Weibull Scale CFI—10%	57	-60.09	2.11	-28.48	<0.001	60.09	2.11	28.48	<0.001
Weibull Mean CFI—10%	57	-63.84	1.86	-34.29	<0.001	63.84	1.86	34.29	<0.001
Weibull Median CFI—10%	57	-68.03	1.85	-36.70	<0.001	68.03	1.85	36.70	<0.001
Mean CFI—25% scarred	71	-42.12	2.28	-18.43	<0.001	43.19	1.98	21.82	<0.001
Median CFI—25%	65	-48.88	2.66	-18.35	<0.001	50.77	2.04	24.91	<0.001
Weibull Scale CFI—25%	56	-38.41	2.64	-14.54	<0.001	40.24	2.09	19.30	<0.001
Weibull Mean CFI—25%	56	-44.66	2.35	-19.00	<0.001	45.92	1.86	24.74	<0.001
Weibull Median CFI—25%	56	-49.11	2.24	-21.90	<0.001	49.88	1.91	26.14	<0.001
Mean ITFI	67	-2.71	6.76	- 0.40	0.689	30.10	5.66	5.32	<0.001
Median ITFI	66	-29.71	2.75	-10.79	<0.001	33.43	1.99	16.78	<0.001
Weibull Scale ITFI	56	-8.50	2.53	-3.35	0.001	16.34	1.69	9.65	<0.001
Weibull Mean ITFI	56	-16.64	2.31	-7.22	<0.001	21.19	1.48	14.33	<0.001
Weibull Median ITFI	56	-28.25	2.10	13.43	<0.001	29.68	1.71	17.37	<0.001
FR–recorders	52	-26.79	2.01	-13.31	<0.001	26.79	2.01	13.33	<0.001