Series.first_valid_index() [source] Return label for first non-NA/null value

CategoricalIndex.ndim return the number of dimensions of the underlying data, by definition 1

TimedeltaIndex.get_loc(key, method=None, tolerance=None) [source] Get integer location for requested label Returns: loc : int

DatetimeIndex.names

DatetimeIndex.all(other=None) [source]

Index.is_type_compatible(kind) [source]

class pandas.Index [source] Immutable ndarray implementing an ordered, sliceable set. The basic object storing axis labels for all pandas objects Parameters: data : array-like (1-dimensional) dtype : NumPy dtype (default: object) copy : bool Make a copy of input ndarray name : object Name to be stored in the index tupleize_cols : bool (default: True) When True, attempt to create a MultiIndex if possible Notes An Index instance can only contain hashable objects Attributes T return th

TimedeltaIndex.total_seconds() [source] Total duration of each element expressed in seconds. New in version 0.17.0.

GroupBy.indices dict {group name -> group indices}

Panel4D.blocks Internal property, property synonym for as_blocks()