DataFrame.merge(right, how='inner', on=None, left_on=None, right_on=None, left_index=False, right_index=False, sort=False, suffixes=('_x', '_y'), copy=True, indicator=False) [source] Merge DataFrame objects by performing a database-style join operation by columns or indexes. If joining columns on columns, the DataFrame indexes will be ignored. Otherwise if joining indexes on indexes or indexes on a column or columns, the index will be passed on. Parameters: right : DataFrame how : {?left?,

DatetimeIndex.dtype = None

Series.dt.month The month as January=1, December=12

DataFrame.set_axis(axis, labels) [source] public verson of axis assignment

Panel4D.equals(other) [source] Determines if two NDFrame objects contain the same elements. NaNs in the same location are considered equal.

Series.dt.is_quarter_end Logical indicating if last day of quarter (defined by frequency)

TimedeltaIndex.get_value(series, key) [source] Fast lookup of value from 1-dimensional ndarray. Only use this if you know what you?re doing

DatetimeIndex.summary(name=None) [source] return a summarized representation

Styler.clear() [source] ?Reset? the styler, removing any previously applied styles. Returns None.

Panel.keys() [source] Get the ?info axis? (see Indexing for more) This is index for Series, columns for DataFrame and major_axis for Panel.