Deep learning is one of the most interesting and promising areas of artificial intelligence (AI) and machine learning currently. With great advances in technology and algorithms in recent years, deep learning has opened the door to a new era of AI applications.
Deep learning is one of the most interesting and promising areas of artificial intelligence (AI) and machine learning currently. With great advances in technology and algorithms in recent years, deep learning has opened the door to a new era of AI applications.
In many of these applications, deep learning algorithms performed equal to human experts and sometimes surpassed them.
Python has become the go-to language for Machine Learning and many of the most popular and powerful deep learning libraries and frameworks like TensorFlow, Keras, and PyTorch are built in Python.
In this series, we'll be using Keras to perform Exploratory Data Analysis (EDA), Data Preprocessing and finally, build a Deep Learning Model and evaluate it.
In this stage, we will build a deep neural-network model that we will train and then use to predict house prices.
A deep learning neural network is just a neural network with many hidden layers.
Defining the model can be broken down into a few characteristics:
There are many types of layers for deep learning models. Convolutional and pooling layers are used in CNNs that classify images or do object detection, while recurrent layers are used in RNNs that are common in natural language processing and speech recognition.
We'll be using Dense and Dropout layers. Dense layers are the most common and popular type of layer - it's just a regular neural network layer where each of its neurons is connected to the neurons of the previous and next layer.
Each dense layer has an activation function that determines the output of its neurons based on the inputs and the weights of the synapses.
Dropout layers are just regularization layers that randomly drop some of the input units to 0. This helps in reducing the chance of overfitting the neural network.
There are also many types of activation functions that can be applied to layers. Each of them links the neuron's input and weights in a different way and makes the network behave differently.
Really common functions are ReLU (Rectified Linear Unit), the Sigmoid function and the Linear function. We'll be mixing a couple of different functions.
In addition to hidden layers, models have an input layer and an output layer:
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What is the difference between machine learning and artificial intelligence and deep learning? Supervised learning is best for classification and regressions Machine Learning models. You can read more about them in this article.
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