DatetimeIndex.freqstr Return the frequency object as a string if its set, otherwise None

Series.data return the data pointer of the underlying data

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

Series.dt.day The days of the datetime

TimedeltaIndex.item() [source] return the first element of the underlying data as a python scalar

MultiIndex.data return the data pointer of the underlying data

Panel4D.eq(other, axis=None) [source] Wrapper for comparison method eq

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.T return the transpose, which is by definition self