Meapsoft analysis data structure.
Data type representing a MEAPsoft analysis feature. The
feature_column is the integer column index for the feature in
the analysis data. The
feature_degree is the number of columns
the feature requires.
Read the header of a MEAPsoft analysis file and extract the list of stored features.
A variant of
find_feature that raises an error if the feature
is not located. All analysis files have the features onset_time