Book Image

Machine Learning for Data Mining

By : Jesus Salcedo
Book Image

Machine Learning for Data Mining

By: Jesus Salcedo

Overview of this book

Machine learning (ML) combined with data mining can give you amazing results in your data mining work by empowering you with several ways to look at data. This book will help you improve your data mining techniques by using smart modeling techniques. This book will teach you how to implement ML algorithms and techniques in your data mining work. It will enable you to pair the best algorithms with the right tools and processes. You will learn how to identify patterns and make predictions with minimal human intervention. You will build different types of ML models, such as the neural network, the Support Vector Machines (SVMs), and the Decision tree. You will see how all of these models works and what kind of data in the dataset they are suited for. You will learn how to combine the results of different models in order to improve accuracy. Topics such as removing noise and handling errors will give you an added edge in model building and optimization. By the end of this book, you will be able to build predictive models and extract information of interest from the dataset

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Table of Contents (7 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Introducing Machine Learning Predictive Models
Introducing Machine Learning Predictive Models
Characteristics of machine learning predictive models
Types of machine learning predictive models
Working with neural networks
A sample neural network model
Summary
2
Getting Started with Machine Learning
Getting Started with Machine Learning
Demonstrating a neural network
Support Vector Machines
Demonstrating SVMs
Summary
3
Understanding Models
Understanding Models
Models
Using graphs to interpret machine learning models
Using statistics to interpret machine learning models
Using decision trees to interpret machine learning models
Summary
4
Improving Individual Models
Improving Individual Models
Modifying model options
Using a different model to improve results
Removing noise to improve models
Doing additional data preparation
Balancing data
Summary
5
Advanced Ways of Improving Models
Advanced Ways of Improving Models
Combining models
Using propensity scores
Meta-level modeling
Error modeling
Boosting and bagging
Predicting continuous outcomes
Summary
6
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Demonstrating SVMs

In this section, we will run an SVM model and see how it works.

First of all, get your dataset just the way you did for neural networks, partition the dataset into a training and testing dataset, and create a scenario such as this:

Let's see how to run SVMs:

  1. Go to the Modeling palette and connect the partition node to SVM:
  1. Go to the Expert tab and select the Expert option in Mode. Remember, whenever you run an SVM model, you must always run it in Expert mode because this is a model that requires constant changes on the default values based on the status of your model. The Expert mode will enable us to change the values easily when required:

Let's discuss these options in detail:

    • You can tick the Append all probabilities box when you have categorical outcomes. But, for now, let's keep it on default.
    • The stopping criteria can also be changed...
Previous Section
End of Section 4
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