remaining
again, remove remaining
remaining
again, remove remaining
all remaining
all remaining variables would suggest using all the variables excluding the ones from previous exercises, instead just say which uses all variables
both the package
Code block below says load 'both packages', it would be useful know that you intend to load AER per the solution, the text only mentions MASS.
t 1.611.61<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1.61</mn></math> p
Should this not be 1.66?
. exp(a) computes
Not easy to read this, it looks like some function f().exp(a)
Replace last sentence with "Use exp(a) to compute", to separate code and full stop.