A
How do I create a 3^k factorial design with factors be treated as continuous where I can get the continuous regression equation?
For example:
If I create a new factorial design as the picture below, I got an equation.
This equation did not treat factors as continuous. So, I cannot put an intermediate value to predict the response.
Therefore, how do I create a 3^k design with factors treated as continuous one in general full factorial design, or is there other ways? I would like to get the continuous regression equation with 3^k design where I can put some value in between to predict the response.
For example:
If I create a new factorial design as the picture below, I got an equation.
This equation did not treat factors as continuous. So, I cannot put an intermediate value to predict the response.
Therefore, how do I create a 3^k design with factors treated as continuous one in general full factorial design, or is there other ways? I would like to get the continuous regression equation with 3^k design where I can put some value in between to predict the response.
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