data('train_dummy.csv')
data('train.csv')
data('test_dummy.csv')
data('test.csv')
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# File 'lib/mnist/dataset.rb', line 8 def data(file) File.join(root, 'data', file) end
4 5 6
# File 'lib/mnist/dataset.rb', line 4 def root File.expand_path('../../..', __FILE__) end