Exercise 1: Comparative data in R
1. Read in the data phelsuma.csv. Describe the data set. How many species are included? How many variables?
2. Read in the tree phel2.phy. Plot the tree. Is it ultrametric?
3. Do the names match in the two data sets? If not, make a tree and data set that do match using treedata().
4. Reroot the tree using the species “ornata” as an outgroup.
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