Chapitre_1_An_Introduction_to_Deep_Learning_and_Keras.ipynb

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        "# From an Introduction to Deep LearnIng and Keras\n",
        "# De Jojo Moolayil\n",
        "# apress\n",
        "\n",
        "# Import required packages\n",
        "from keras.models import Sequential\n",
        "from keras.layers import Dense\n",
        "import numpy as np"
      ],
      "execution_count": 3,
      "outputs": [
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          "text": [
            "Using TensorFlow backend.\n"
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        "# Getting the data ready\n",
        "# Generate train dummy data for 1000 Students and dummy test for 500\n",
        "#Columns :Age, Hours of Study &Avg Previous test scores\n",
        "np.random.seed(2018) #Setting seed for reproducibility\n",
        "train_data, test_data = np.random.random((1000, 3)), np.random.random((500, 3))\n",
        "\n"
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      "source": [
        "#Generate dummy results for 1000 students : Whether Passed (1) or Failed (0)\n",
        "labels = np.random.randint(2, size=(1000, 1))\n",
        "\n",
        "#Defining the model structure with the required layers, # of neurons, activation function and optimizers\n",
        "model = Sequential()\n",
        "model.add(Dense(5, input_dim=3, activation='relu'))\n",
        "model.add(Dense(4, activation='relu'))\n",
        "model.add(Dense(1, activation='sigmoid'))\n",
        "model.compile(loss='binary_crossentropy', optimizer='adam',metrics=['accuracy'])\n",
        "\n"
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          "text": [
            "WARNING:tensorflow:From /usr/local/lib/python3.6/dist-packages/tensorflow/python/framework/op_def_library.py:263: colocate_with (from tensorflow.python.framework.ops) is deprecated and will be removed in a future version.\n",
            "Instructions for updating:\n",
            "Colocations handled automatically by placer.\n"
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        "#Train the model and make predictions\n",
        "model.fit(train_data, labels, epochs=10, batch_size=32)\n",
        "#Make predictions from the trained model\n",
        "predictions = model.predict(test_data)"
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      "execution_count": 8,
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            "WARNING:tensorflow:From /usr/local/lib/python3.6/dist-packages/tensorflow/python/ops/math_ops.py:3066: to_int32 (from tensorflow.python.ops.math_ops) is deprecated and will be removed in a future version.\n",
            "Instructions for updating:\n",
            "Use tf.cast instead.\n",
            "Epoch 1/10\n",
            "1000/1000 [==============================] - 1s 753us/step - loss: 0.6940 - acc: 0.5100\n",
            "Epoch 2/10\n",
            "1000/1000 [==============================] - 0s 42us/step - loss: 0.6939 - acc: 0.5100\n",
            "Epoch 3/10\n",
            "1000/1000 [==============================] - 0s 41us/step - loss: 0.6938 - acc: 0.5100\n",
            "Epoch 4/10\n",
            "1000/1000 [==============================] - 0s 38us/step - loss: 0.6938 - acc: 0.5100\n",
            "Epoch 5/10\n",
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            "Epoch 6/10\n",
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            "Epoch 7/10\n",
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            "Epoch 8/10\n",
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            "Epoch 9/10\n",
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            "Epoch 10/10\n",
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