Ljubomir Lazic

First of all you should tel us a priory knowledge about outcome?
If Second order model of outcome is satisfactory then you should apply CENTRAL COMPOSITE ROTATABLE DESIGNS (CCRD) for k=2 with 5 replica at NULL factor level, which design plan is:

TABLE 2.147 CCRD

Design of experiment
matrix

No of
exper.

X1…[Read more]