Flux.jl/examples/MNIST.jl

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using Flux, MNIST
const data = collect(zip([trainfeatures(i) for i = 1:60_000],
[onehot(trainlabel(i), 1:10) for i = 1:60_000]))
const train = data[1:50_000]
const test = data[50_001:60_000]
const m = Sequence(
Input(784),
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Dense(30), Sigmoid(),
Dense(10), Sigmoid())
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@time Flux.train!(m, train, test, epoch = 30)