Indexes can be present, not present. If present, can have a value or a None.
A time serie has a given index if it is present for (at least?) one point. Check this concept, also with respect of how to setting series indexes with respect to slicing and filtering operations in particular.
Indexes can be present, not present. If present, can have a value or a None.
A time serie has a given index if it is present for (at least?) one point. Check this concept, also with respect of how to setting series indexes with respect to slicing and filtering operations in particular.