Predictive Analytics With Neural Networks in R


Create and train your own neural network in minutes

What you will learn

Know the architecture of multilayer percpetrons

Understand how a multilayer perceptron learns

Know the main prediction accuracy metrics

Build and train MLPs for categorical response variables

Build and train MLPs for continuous response variables

Description

Neural networks are powerful predictive tools that can be used for almost any machine learning problem with very good results. If you want to break into deep learning and artificial intelligence, learning neural networks is the first crucial step.

This is why Iโ€™m inviting you to get into the fascinating world of neural networks. In this course you will develop a strong understanding of one the most utilised network, multilayer perceptron, suitable for both classification and regression problems.

The mathematics behind neural networks is particularly complex, but you donโ€™t need to be a mathematician to take this course and fully benefit from it. Our emphasis here is on practice. You will learn how to operate multilayer perceptrons using the R program, how to build and train models and how to make predictions on new data.

All the procedures are explained live, on real life data sets. So you will advance fast and be able to apply your knowledge immediately.

This course contains three sections.

The first section is dedicated to the basic concepts related to neural networks and predictive analytics. You will find out what multilayer perceptrons are how they learn, what procedure they employ to make predictions. Also, youโ€™ll learn the main prediction accuracy metrics for both numeric and categorical response variables.


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In the second section weโ€™ll build and train a multilayer perceptron to predict a bank customersโ€™ default. In other words, our response is categorical in this case. After training the network, weโ€™ll use it to measure prediction accuracy in the test set. But thatโ€™s not all. We will also try to improve our model by manipulating various parameters of the network and test our model accuracy using the k-fold cross-validation technique.

In the third section we build and train a model with a numeric response variable. More exactly, weโ€™ll predict car prices depending on their technical features, using a multilayer perceptron, of course. After building the model weโ€™ll measure its accuracy on the test set, try to improve it by modifying he network parameters and, finally, validate our model using the k-fold cross-validation method. So, the same steps as in the previous section, but this time for the particular case of a numeric dependent variable.

A number of practical exercises are proposed at the end of the course. By doing these exercises youโ€™ll actually apply in practice what you have learned.

This course is your opportunity to become familiar with neural networks very fast. With my video lectures, you will find it easy to master these major neural networks and build them in R. Everything is shown live, step by step, so you can replicate any procedure at any time you need it.

So click the โ€œEnrollโ€ button to get instant access to your course. It will surely provide you with new priceless skills. And, who knows, it could enhance your future career.

See you inside!

English
language

Content

Getting Started

Introduction

Basic Concepts

What Are Multilayer Perceptrons?
How Multilayer Perceptrons Work
The Learning Process
Prediction Accuracy Metrics
The ROC Curve

Predicting A Categorical Response

Training the Model
Making Predictions in the Test Set
Plotting and Interpreting the ROC Curve
Testing Different Numbers of Hidden Nodes
Validating Our Model With the K-Fold Cross-Validation Technique

Predicting a Continuous Response

Training the Model
Making Predictions
Testing the Number of Hidden Nodes
Validating the Model

Practical Exercises

Practice

Course Materials

R Code
Data Sets
PowerPoint Slides