Hi Martin,
Rates are generally relative quantities in phylogenetics. You cannot estimate
the substitution rate(s) together with the branch lengths of the tree, but
rates can be estimated relative to each others. That's why one rate is fixed to
1 in the GTR model.
In the JC69 model the
Hi everybody,
I am now trying to explain the principles of phylogenetics to the students
using R and went into a very simple problem that I cannot solve. Probably a
very simple and basic thing, sorry for a stupid questions:
When checking the details of models selected for my data by modelTest()
