Hello R list

 

I'm modeling fish activity data with a gaussian distribution for scores
obtained from Principal Component Analysis, and have a little problem,
hopefully simple to resolve. My explanatory variables are group size, fish
length and temperature and I sampled in two consecutive years, in spring. My
problem is that I'm not sure whether I should consider year as a random or a
fixed effect. I wonder if you could help me.

Thank you. 

 

All the best

Joana

 


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