@Appender(rwindow.ewm.__doc__)
def ewm(self, com=None, span=None, halflife=None, alpha=None, min_periods=0, adjust=True, ignore_na=False, axis=0):
    axis = self._get_axis_number(axis)
    return rwindow.ewm(self, com=com, span=span, halflife=halflife, alpha=alpha, min_periods=min_periods, adjust=adjust, ignore_na=ignore_na, axis=axis)
@Appender(rwindow.ewm.__doc__)
def ewm(self, com=None, span=None, halflife=None, alpha=None, min_periods=0, adjust=True, ignore_na=False, axis=0):
    axis = self._get_axis_number(axis)
    return rwindow.ewm(self, com=com, span=span, halflife=halflife, alpha=alpha, min_periods=min_periods, adjust=adjust, ignore_na=ignore_na, axis=axis)