Table 3. Yield of FAME over RC-ITB.

run	parameter-1	parameter-2	parameter-3	response (FAME yield)		residual value
	temperature (A), °C	alcohol:oil molar ratio (B)	catalyst load (C), wt %	actual value, %	predicted value, %
1	65	30	3	57.66	58.05	–0.39
2	65	20	6	78.21	78.54	–0.33
3	65	20	6	78.88	78.54	0.34
4	55	20	3	68.15	67.67	0.48
5	65	10	9	53.55	53.16	0.39
6	65	20	6	78.69	78.54	0.15
7	65	20	6	77.99	78.54	–0.55
8	65	20	6	78.92	78.54	0.38
9	55	10	6	62.79	63.23	–0.44
10	75	10	6	49.02	48.93	0.09
11	55	20	9	61.58	61.52	0.06
12	65	30	9	70.15	70.12	0.03
13	75	20	3	40.86	40.92	–0.06
14	55	30	6	74.33	74.42	–0.09
15	75	30	6	66.03	65.58	0.45
16	75	20	9	64.67	65.14	–0.47
17	65	10	3	47.13	47.16	–0.03