Potential for powered flight neared by most close avialan relatives but few crossed its thresholds

This dataset is the Supplementary Materials of the Pei, Pittman et al.
(2020) study 'Potential for powered flight neared by most close
avialan relatives but few crossed its thresholds' in Current Biology
(https://doi.org/10.1016/j.cub.2020.06.105). In this study, a
revised phylogeny of coelurosaurian theropod dinosaurs was used to
reconstruct their potential for powered flight. It found that powered
flight potential evolved at least three times (once in birds and twice in
dromaeosaurids) and that many ancestors of close bird relatives neared
thresholds of powered flight potential. The latter suggests that there was
broad experimentation with wing-assisted locomotion before theropod flight
evolved. This dataset contains an expanded version of
the Theropod Working Group (TWiG) coelurosaurian
theropod phylogenetic data matrix (revised after Brusatte et al. 2014).
It also contains the script and results associated with
an automated parsimony-based phylogenetic analysis of the data
matrix. This dataset includes the wing loading and specific lift
proxy data used to reconstruct flight potential in
the pennaceous feathered pennaraptoran theropods listed
in the taxon list as well as the results of the parsimony- and
maximum-likelihood based mapping of these proxies over the reconstructed
tree topology. Forelimb length [(humerus length + ulna length)/femoral
length] and body size data are also included as well as the
results of the parsimony- and maximum-likelihood based mapping of these
parameters over the same tree topology. Please read the
following files before navigating the dataset: README.pdf and
Instructions for zip file use - please read this first.pdf