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. 2020 Nov 13;12(11):1091. doi: 10.3390/pharmaceutics12111091

Table 3.

Selection of the cubic model.

ANOVA
Droplet Size
Fit Statistics	Linear	Quadratic	Special Cubic	Cubic	Special Quartic
SD	48.6	28.7	30.7	14.3	33
R²	0.587	0.895	0.895	0.987	0.913
Adjusted R²	0.511	0.829	0.805	0.957	0.775
Predicted R²	0.270	0.470	0.142	0.627	−1.59
Adeq. Precision	7.87	11.7	10.2	17.75	7.73
F-value	7.81	13.63	9.95	33.5	6.59
p-value	0.007	0.000964	0.00391	0.00206	0.0264
PDI
SD	0.0622	0.0494	0.0456	0.0319	0.0506
R²	0.802	0.909	0.932	0.981	0.940
Adjusted R²	0.766	0.852	0.874	0.939	0.845
Predicted R²	0.654	0.667	0.484	0.744	−0.558
Adeq. Precision	13.3	12	13.3	14.6	10.6
F-value	22.3	16.0	16.0	23.0	9.87
p-value	0.000135	0.000550	0.000904	0.00424	0.0110