Re: [Gretl-users] loop, string substitution and varname from list

-----Ursprüngliche Nachricht----- Von: gretl-users-bounces(a)lists.wfu.edu [mailto:gretl-users- bounces(a)lists.wfu.edu] Im Auftrag von Riccardo (Jack) Lucchetti Gesendet: Donnerstag, 23. Februar 2017 15:05 An: Gretl list <gretl-users(a)lists.wfu.edu&gt; Betreff: Re: [Gretl-users] loop, string substitution and varname from list On Thu, 23 Feb 2017, Sven Schreiber wrote: > Am 23.02.2017 um 14:32 schrieb Schaff, Frederik: >> Many thanks, >> >> I tried a slightly different version from yours: -------- .... (see >> first comment) scalar j = 0 loop foreach i xs j++ print j $i <- >> gnuplot $i ys[j] endloop -------- unfortunately it is not working. >> Also, what if I wanted to combine the var names of both the items? >> Your option would not allow this. Is there now way to simply access >> the name of a var by means of the name of the var? > > Actually I was too cautios, the yy[i] trick does work in the foreach loop. > Here's a tested example: > > <hansl> > open denmark > > list xx = IBO IDE > list yy = LRM LRY > > loop foreach i xx > plot_$i <- gnuplot $i yy[i] > endloop > </hansl> Something a little more general: <hansl> open AWM list xx = YEN GCN STN list yy = YER GCR LTN k = 1 matrix my = yy loop foreach i xx string s = varname(my[k]) string plotname = sprintf("p%d_$i_vs_%s", k, s) @plotname <- gnuplot $i yy[k] k++ endloop </hansl> ------------------------------------------------------- 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 -------------------------------------------------------