trackhub.helpers.filter_composite_from_subgroups

trackhub.helpers.filter_composite_from_subgroups(s)[source]

Given a sorted list of subgroups, return a string appropriate to provide as the a composite track’s filterComposite argument

>>> import trackhub
>>> trackhub.helpers.filter_composite_from_subgroups(['cell', 'ab', 'lab', 'knockdown'])
'dimA dimB'

Parameters:: s (list) – A list representing the ordered subgroups, ideally the same list provided to dimensions_from_subgroups. The values are not actually used, just the number of items.