How to add layers sequentially to keras model?

How to add layers sequentially to keras model?

How to add layers sequentially to keras model?

This recipe helps you add layers sequentially to keras model


Recipe Objective

In a sequential model, we can add layers one by one with different arguments. So have you tried to add layers in sequential model?

So this recipe is a short example of how we can add layers sequentially to keras model.

Step 1 - Import the library

import pandas as pd import numpy as np from keras.datasets import mnist from sklearn.model_selection import train_test_split from keras.models import Sequential from keras.layers import Dense from keras.layers import Dropout

We have imported pandas, numpy, mnist(which is the dataset), train_test_split, Sequential, Dense and Dropout. We will use these later in the recipe.

Step 2 - Loading the Dataset

Here we have used the inbuilt mnist dataset and stored the train data in X_train and y_train. We have used X_test and y_test to store the test data. (X_train, y_train), (X_test, y_test) = mnist.load_data()

Step 3 - Creating model and adding layers

We have created an object model for the sequential model. We can use two args i.e layers and name.

  • layers : In this, we can pass the optional list of layers that we want in the model
  • name : In this, we can give a name to the sequential model
model = Sequential() Now, We are adding the layers by using 'add'. We can specify the type of layer, activation function to be used and many other things while adding the layer.
Here we have added four layers which will be connected one after other. model.add(Dense(512)) model.add(Dropout(0.3)) model.add(Dense(256, activation='relu')) model.add(Dropout(0.2))

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