There's lots of potential options. Can you specify your problem a little
more? What type of data? How non-linear? Are we fitting a polynomial? SVM?
ANN? Online vs batch? How much noise? What sort of stats do you want?

On Thursday, May 26, 2016, Jan Drugowitsch <[email protected]> wrote:

> Hi all,
>
> I have some nonlinear regression problems that I'd like to solve.
> Unfortunately, NLreg.jl doesn't seem to work on my Julia 0.4.5
> installation, but instead fails on the README example code with
>
> julia> const sd1 = readtable(Pkg.dir("NLreg","data","sd1.csv.gz"));
>
>
> julia> nl = fit(BolusSD1(CONC ~ TIME, sd1))
> WARNING: [a,b] concatenation is deprecated; use [a;b] instead
>  in depwarn at deprecated.jl:73
>  in oldstyle_vcat_warning at /Applications/Julia-0.4.5.app/Contents/
> Resources/julia/lib/julia/sys.dylib
>  in call at /Users/jandrugowitsch/.julia/v0.4/NLreg/src/plreg.jl:119
>  in fit at /Users/jandrugowitsch/.julia/v0.4/NLreg/src/plreg.jl:204
> while loading no file, in expression starting on line 0
> ERROR: type Array has no field data
>  in gpinc at /Users/jandrugowitsch/.julia/v0.4/NLreg/src/plreg.jl:143
>  in gpfit at /Users/jandrugowitsch/.julia/v0.4/NLreg/src/plreg.jl:159
>  in fit at /Users/jandrugowitsch/.julia/v0.4/NLreg/src/plreg.jl:204
>
>
> In general, NLreg.jl hasn't been updated since 2014. Are there any more
> up-to-date Julia packages for nonlinear regression?
>
> I know that I could always use optimizers, but then I won't get all the
> extra statistics that I would need.
>
> Thanks,
> Jan
>

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