DataFrame.first_valid_index()

TimedeltaIndex.append(other)

CategoricalIndex.get_loc(key, method=None)

Series.str.istitle()

Panel4D.notnull()

Series.dt.components Return a dataframe of the components (days, hours, minutes, seconds, milliseconds, microseconds

Series.str.index(sub, start=0, end=None)

Panel.values Numpy representation of NDFrame Notes The dtype will be a lower-common-denominator

pandas.merge(left, right, how='inner', on=None, left_on=None, right_on=None, left_index=False, right_index=False, sort=False, suffixes=('_x', '_y')

Series.str.count(pat, flags=0, **kwargs)