Hi everybody It looks nice!!!! By the way, a picture being worth a bunch of words, could the following one, developped in R (link below) be translated into hansl/gretl?
https://www.r-bloggers.com/tell-me-a-story-how-to-generate-textual-explanations-for-predictive-models-2/ Best, Artur Le mer. 6 nov. 2019 à 08:03, Riccardo (Jack) Lucchetti < r.lucche...@univpm.it> a écrit : > > Ok, this is so offtopic that is nearly embarassing, but here goes. > > I found on the net the attached picture (quite amazing in itself), so I > thought it'd be nice to write a hansl script to reproduce it. It turns > out the the little script below showcases quite a few features hansl has > (eg recursion, logical operators etc), so it could maybe be useful to > people who are teaching/learning Hansl. Enjoy! > > <hansl> > set verbose off > > function matrix prime_sieve(scalar n) > x = floor(sqrt(n)) > c = seq(2,n) > prime = ones(1,n-1) > loop i = 2 .. x --quiet > prime[i+1:] = prime[i+1:] && !(c[i+1:] % i .= 0) > endloop > return selifc(c, prime) > end function > > function scalar droot(scalar x) > y = floor(x) > ret = 0 > loop while y >= 1 --quiet > ret += y % 10 > y = floor(y/10) > endloop > > if ret > 9 > ret = droot(ret) > endif > > return ret > end function > > x = prime_sieve(200) > > loop i = 1 .. nelem(x) --quiet > c = x[i]^3 > printf "%5d: %5d\n", x[i], droot(c) > endloop > </hansl> > > ------------------------------------------------------- > Riccardo (Jack) Lucchetti > Dipartimento di Scienze Economiche e Sociali (DiSES) > > Università Politecnica delle Marche > (formerly known as Università di Ancona) > > r.lucche...@univpm.it > http://www2.econ.univpm.it/servizi/hpp/lucchetti > > -------------------------------------------------------_______________________________________________ > Gretl-users mailing list -- gretl-users@gretlml.univpm.it > To unsubscribe send an email to gretl-users-le...@gretlml.univpm.it > Website: > https://gretlml.univpm.it/postorius/lists/gretl-users.gretlml.univpm.it/ >
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