[R] TukeyHSD doubts

Hello, I have some doubts on TukeyHSD application. I want to investigate the effects of depth, latitude and month variation on the length of a fish. These are orthogonal and observational data. For this, I have made an aov model (L~month+lat+prof+month*lat), after applying drop1 and step

[R] TukeyHSD doubts

Hello, I have some doubts on TukeyHSD application. I want to investigate the effects of depth, latitude and month variation on the length of a fish. These are orthogonal and observational data. For this, I have made an aov model (L~month+lat+prof+month*lat), after applying drop1 and step