Re: [Gretl-users] Loop question

Hi Henrique, I believe that this does what you want: loop for (n=6; n<=24; n*=2) --quiet No other simple options. On Tue, May 25, 2010 at 8:53 PM, Henrique Andrade < henrique.coelho(a)gmail.com&gt; wrote: > Dear Riccardo, Kehl and Artur, > > Thanks a lot for your help! I'd tried all the options you gave me and > my final script looks like this: > > <script> > scalar n=0 > loop for (n=6;n<=24;n=n*2) --quiet > scalar m = $T - n + 1 > loop j=2..nelemY --quiet > matrix R$n_$j = zeros(m,1) > loop i=1..m --quiet > loop c=1..n --quiet > row = i + n - c > R$n_$j[i] += r$j[row, c] > endloop > endloop > endloop > matrix mci$n = R$n_2 + R$n_3 > endloop > </script> > > Now, because I just need the values for 6, 12 and 24, I'm trying to > substitute the second line "loop for (n=6;n<=24;n=n*2)" for this: > > loop for (n=6;n=12;n=24) > > But the script isn't working. Any hints? > > Best regards, > Henrique > > > 2010/5/25 artur bala <artur.bala(a)laposte.net&gt; > > Or, if your index is something like of a geometric series as it seems to >> be (let's say 6, 12, 24, 48, and so on) and too long to do manually >> you can try this one: >> <script> >> scalar count=0 >> loop for (count=6;count<=24;count=count*2) --quiet >> <instructions> >> endloop >> <\script> >> >> cheers, >> artur >> >> Riccardo (Jack) Lucchetti a écrit : >> > On Tue, 25 May 2010, Henrique Andrade wrote: >> > >> >> Dear Gretl Community, >> >> >> >> I'm trying to use a loop index inside a script but I don't know how. >> >> According >> >> to "Gretl User’s Guide" the syntax looks like this: >> >> >> >> loop i=1..24 >> >> >> >> But I just need the points where "i" is equal to 6, 12 and 24. >> >> Something like this: >> >> >> >> loop i=6;12;24 >> >> >> >> How can I do that? >> > >> > For example, this way: >> > <script> >> > matrix foo = { 6, 12, 24 } >> > n = cols(foo) >> > loop for i=1..n >> > bar = foo[i] >> > print bar >> > end loop >> > </script> >> > >> > >> > Riccardo (Jack) Lucchetti >> > Dipartimento di Economia >> > Università Politecnica delle Marche >> > >> > r.lucchetti(a)univpm.it >> > http://www.econ.univpm.it/lucchetti >> > >> ------------------------------------------------------------------------ >> > >> > _______________________________________________ >> > Gretl-users mailing list >> > Gretl-users(a)lists.wfu.edu >> > http://lists.wfu.edu/mailman/listinfo/gretl-users >> >> >> _______________________________________________ >> Gretl-users mailing list >> Gretl-users(a)lists.wfu.edu >> http://lists.wfu.edu/mailman/listinfo/gretl-users >> > > > > -- > Henrique C. de Andrade > Doutorando em Economia Aplicada > Universidade Federal do Rio Grande do Sul > www.ufrgs.br/ppge > > _______________________________________________ > Gretl-users mailing list > Gretl-users(a)lists.wfu.edu > http://lists.wfu.edu/mailman/listinfo/gretl-users > _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users