I have a dataset with 141 observations and 8 corresponding variables and I mean to apply a GLM to this dataset. However, a lot of observations lack either one or multiple variable values. So if I want to apply the
dredge function on the full model, there only remain about 20 observations with complete data. I do not know beforehand if I could exclude any variables as to increase my complete observation count. Does anyone have an idea how I could approach this?