Flux.jl/examples/MNIST.jl

23 lines
462 B
Julia
Raw Normal View History

2016-08-25 21:49:21 +00:00
using Flux, MNIST
2016-04-01 21:11:42 +00:00
2016-10-25 15:23:04 +00:00
data = [(Vector{Float32}(trainfeatures(i)), onehot(Float32, trainlabel(i), 0:9)) for i = 1:60_000]
2016-09-29 20:28:53 +00:00
train = data[1:50_000]
test = data[50_001:60_000]
2016-04-01 21:11:42 +00:00
2016-08-25 16:26:52 +00:00
m = Chain(
2016-04-01 21:11:42 +00:00
Input(784),
2016-11-14 22:16:00 +00:00
Affine(128), relu,
Affine( 64), relu,
Affine( 10), softmax)
2016-04-01 21:11:42 +00:00
2016-09-29 20:28:53 +00:00
# Convert to TensorFlow
model = tf(m)
2016-08-25 16:26:52 +00:00
2016-10-04 20:11:03 +00:00
# An example prediction pre-training
model(data[1][1])
2016-09-29 20:28:53 +00:00
@time Flux.train!(model, train, test, η = 1e-3)
2016-10-04 20:11:03 +00:00
# An example prediction post-training
model(data[1][1])