Allin,
when you ask for a Butterworth filter and ask for the original/smoothed
series graph _and_ the residuals graph, the window that shows jointly
the two graphs is not high enough, so the the user cannot see the header
for the first graph. (see the figure attached)
--
Ignacio Diaz-Emparanza
DEPARTAMENTO DE ECONOMÍA APLICADA III (ECONOMETRÍA Y ESTADÍSTICA)
UPV/EHU Avda. Lehendakari Aguirre, 83 | 48015 BILBAO
T.: +34 946013732 | F.: +34 946013754
www.ea3.ehu.es