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i am just wandering what test to use for the following trial: I have a one treatment at 9 different rates (untreated, 100g, 200g etc) and I want to see how 4 continuous dependent variables and 2 categorical dependent variables respond.

Should I do a pca first and see what response variable I should focus on? Can you do this for the 9 different treatment rates?

I do not know if it is a one-way manova that I need to preform, or multiple regression? I get confused with the R code when I have to seperate the treatments (DV) into the different rates to be compared to the IV.

Thanks for the help!

Mon u
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1 Answers1

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What I could understood from your question is:

You have one predictor variable (treatment) with 9 categories and 6 outcome variables (4 continuous and 2 categorical). You would need multivariate regression.

You may find some pointers to do it in R here.

Dr Nisha Arora
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