don't use this - debugging minimum cells/phenotype for NMF space'
Properly filter for at least 5 cells per phenotype, per event for NMF space position and transition calculation
Make sure nmf space calculation doesn't get called if nmf_space=False for plot_feature
return nmf space transitions, whitespace fixes
Remove events from big_nmf_transitions that didn't have phenotype groups together that were specified in the phenotype_transitions
Add call to splicing's nmf space positions
update plot_feature to plot all features on a single figure object, rather than separate ones
Make big_nmf_space_transitions cutoff be based off of all columns of the input data
Add option to specify how many samples per phenotype group need to be there for each event, for that event to count for a phenotype group