How to transformation of disease scoring data in percentage?

09 September 2015 1 8K Report

Dear colleagues friends.

I have disease scored data expressed as percentage. How to transformation of disease scoring data is in percentage? Can i go for square root transformation or arcsine transformation?

Francisco Babinec

You can 1) transform the data using the arcsine(square root) transformation, 2) do a nonparametric method such as Kruskal-Wallis or Friedman test, or 3) use a generalized linear model (PROC GLIMMIX in SAS).

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