I have two factors: Brainregion (4 levels) and Group (5 levels).
Glutamate is my dependent variable. (data attached in data file)
Brainregion Group Glutamate
CC Control 11.37339396
CB Control 11.18106494
HC Control 11.45533601
PM Control 10.62418165
CC Alcohol 10.4039496
CB Alcohol 9.882992035...