ADF.test           Augmented Dickey-Fuller test
bbcn               Buys-Ballot contour
bbmp               Buys-Ballot monthly plot
bb3D               Buys-Ballot 3D
CH.test            Canova-Hansen test for stationarity
CHseas.test        Canova-Hansen test for seasonal stability
filtrar            Filter selected frequencies
HEGY.test          Hylleberg-Engle-Granger-Yoo test
KPSS.test          Kwiatkowski-Phillips-Schmidt-Shin test
quarterg           Buys-Ballot quarterly plot
rmg                Range mean plot
ysooys             Search for the date of an observation and vice versa

