Question about tutorial 30.Lin

[Burak Acar]

HI,

My question may be related to Julia, but I'd appreciate an explanation for the following lines of code in 30.Lin in the tutorial:

        lin = ((deepcopy(model),model(dtrn),model(dtst),zeroone(model,dtrn),zeroone(model,dtst))

        # (progress displays a bar like progress! but returns an iterator, progress! returns nothing)

               for x in takeevery(length(dtrn), progress(sgd(modelZ,repeat(dtrn,100)))))

        # Save it as a 5x100 array

        lin = reshape(collect(flatten(lin)),(5,:))

How is "lin" updated? I guess it collects sgd output at very length(dtrn), but where is it written to Lin?

[Deniz Yuret]

Dear Burak, please refer to the Julia doc sections about iterators and the iterator notebook in the tutorial.

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