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Table 3 The L9 (34) orthogonal array

From: An integrated model using the Taguchi method and artificial neural network to improve artificial kidney solidification parameters

A

B

C

D

1

1

1

1

1

2

2

2

1

3

3

3

2

1

2

3

2

2

3

1

2

3

1

2

3

1

3

2

3

2

1

3

3

3

2

1