[Gretl-users] Re: cubic splines, fractional polynomials, and more

Am 11.07.2022 um 07:50 schrieb Riccardo (Jack) Lucchetti: > > Hi all, > > I'd just like to tell people that we have a new function package (by > yours truly) called "basis_functions", that can be used for easily > incorporating nonlinearity in your models; it also includes a handy > function for generating Fourier harmonics. > > You can find it in the usual place: > > http://gretl.sourceforge.net/cgi-bin/gretldata.cgi?opt=SHOW_FUNCS Thanks, Jack. At the risk of stating the obvious, let me just repeat the sentence at the top of that page: "the recommended way of installing these packages is via gretl: look under the menu item Tools/Function packages/On server."