Dear Sandipkumar Patil
In my last work, I employed L9 design for 4 factors & 3 levels & 3 responses with doing final confirmation optimum test, via Taguchi method. I explain about it, step by step in my article. You can see my article in below link.
I hope my article, would help you in your research filed.
Taguchi optimization method with explanation about ANOVA with title "Clove oil nanoemulsion as an effective antibacterial agent: Taguchi optimization.” is available via the link below!
Ayman Amer Eissa
Indian Institute of Crop Processing Technology
Babol Noshirvani University of Technology
Mohammad Hassan Shahavi
University of Agriculture Faisalabad