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- Tue Mar 19, 2024 5:14 pm
- Forum: Statistics
- Topic: mean centering & variables scaling
- Replies: 1
- Views: 2409
mean centering & variables scaling
hello. I am planning to use a mixed model when writing my paper. I have three questions: 1. When controlling covariates such as age, years of education, and gender, it is said that gender is treated as a dummy variable because it is nominal. What about age or years of education? Can I check centered...