On Sun, 27 Apr 2014, Andreï | Андрей Викторович wrote:
Dear Riccardo,
The filter function is quite useful. There is a slight misprint in the PDF
Command Reference: the second sum starts from {i=i}; of course, it should
say {i=1}.
Of course. It's now fixed in CVS, thanks.
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Riccardo (Jack) Lucchetti
Dipartimento di Scienze Economiche e Sociali (DiSES)
Università Politecnica delle Marche
(formerly known as Università di Ancona)
r.lucchetti(a)univpm.it
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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