On Thu, 1 Apr 2010, Giorgio Gozzi wrote: > > Hi everone.. I am recently trying to use and learn GRETL..I need help..when i > try to confront the sign of the return of the time series of index FTSEMIB > with the sign of the > time series of the returns of every of the of every of its 40 elementary > members. In order to count how many times there is an agreement between the > sign of each return and > that one of index FTSEMIB. > > I wanted to resolve the problem using the function SIGN but such function > lacks in the directory of Gretl. > > I will be very pleased to have some suggestion to this issue.
How about the following? <script> series agree = (ret * FTSEMIB) > 0 </script> Riccardo (Jack) Lucchetti Dipartimento di Economia Università Politecnica delle Marche r.lucchetti(a)univpm.it http://www.econ.univpm.it/lucchetti
