def drop_sids(self, to_drop):
"""
Remove sids from the container.
"""
self.sids = pd.Index(
sorted(self.sids.difference(_ensure_index(to_drop))), )
self._realign_sids()
def add_sids(self, to_add):
"""
Add new sids to the container.
"""
self.sids = pd.Index(
sorted(self.sids.union(_ensure_index(to_add))),
)
self._realign_sids()
def drop_sids(self, to_drop):
"""
Remove sids from the container.
"""
self.sids = pd.Index(
sorted(self.sids - _ensure_index(to_drop)),
)
self._realign_sids()
def add_sids(self, to_add):
"""
Add new sids to the container.
"""
self.sids = pd.Index(
sorted(self.sids + _ensure_index(to_add)),
)
self._realign_sids()