Table 4.

PERCENT PREDICTION ERROR: Stepwise Regression and Flat Net (using the Stepwise Regression Selected Variables)

		Stepwise Regression						Flat Net
		Mean1	SD	Mean2	SD	Min	Max	Mean1	SD	Mean2	SD	Min	Max
MDI	Set1	−12.6	50.4	23.4	46.3	−338.8	28.9	0.3	19.5	14.8	12.6	−48.8	65.7
	Set2	−4.7	22.4	15.8	16.5	−126.6	29.5	0.6	18.0	14.1	11.1	−3.9	52.6
	Set3	−8.2	39.9	20.2	35.4	−283.5	32.2	0.9	20.9	15.5	13.8	−55.8	70.6
	MEAN	−8.5	37.6	19.8	32.7			0.6	19.5	14.8	12.5
PDI	Set1	−8.4	46.5	22.0	41.8	−343.6	37.0	−2.9	21.7	16.3	14.5	−58.9	73.6
	Set2	−5.3	20.1	15.7	13.4	−74.9	34.7	1.1	19.0	15.1	11.5	−57.1	39.1
	Set3	−3.6	31.7	19.2	25.4	−175.5	37.9	−2.2	21.4	16.0	14.3	−49.5	60.8
	MEAN	−5.8	32.8	15.7	41.8			−1.3	20.7	15.8	14.5

¹Mean % error

²Mean % absolute error