Series.get_ftype_counts()

Series.dropna(axis=0, inplace=False, **kwargs)

DataFrame.size number of elements in the NDFrame

Series.argsort(axis=0, kind='quicksort', order=None)

DataFrame.eq(other, axis='columns', level=None)

Panel.drop(labels, axis=0, level=None, inplace=False, errors='raise')

DataFrameGroupBy.pct_change(periods=1, fill_method='pad', limit=None, freq=None, **kwargs) Percent

GroupBy.__iter__()

Series.dt.dayofyear The ordinal day of the year

GroupBy.min()