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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -6,7 +6,7 @@ # データセットをロードする # アンパックして、それぞれtraine_dataとtest_dataに格納 # train_data:60000個、test_data:10000個 (train_data, train_teacher_labels), (test_data, test_teacher_labels) = mnist.load_data() # 正則化 -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,41 @@ from __future__ import absolute_import, division, print_function, unicode_literals import tensorflow as tf # MNISTのデータセットを使う mnist = tf.keras.datasets.mnist # データセットをロードする # アンパックして、それぞれtraine_dataとtest_dataに格納 # train_Data:60000個、test_data:10000個 (train_data, train_teacher_labels), (test_data, test_teacher_labels) = mnist.load_data() # 正則化 # 0-1の間に分布するように変換 train_data, test_data = train_data / 255.0, test_data / 255.0 # シーケンシャルモデル定義 # 入力層ニューロン数:28x28個 # 中間層ニューロン数:512個、ReLu活性化関数 # ドロップアウト層 # 出力層ニューロン数:10個、ソフトマックス活性化関数、確率へ変換してくれる model = tf.keras.models.Sequential([ tf.keras.layers.Flatten(input_shape=(28, 28)), tf.keras.layers.Dense(512, activation=tf.nn.relu), tf.keras.layers.Dropout(0.2), tf.keras.layers.Dense(10, activation=tf.nn.softmax) ]) # モデルのセットアップ # 最適化アルゴリズム:Adam # 損失関数:sparse_categorical_crossentropy # 評価関数:accuracy model.compile(optimizer='adam', loss='sparse_categorical_crossentropy', metrics=['accuracy']) # 学習 # エポック5回 model.fit(train_data, train_teacher_labels, epochs=5) # 検証 model.evaluate(test_data, test_teacher_labels)