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Machine Learning for the Web

Machine Learning for the Web

By : Steve Essinger, Isoni
4.5 (27)
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Machine Learning for the Web

Machine Learning for the Web

4.5 (27)
By: Steve Essinger, Isoni

Overview of this book

Python is a general purpose and also a comparatively easy to learn programming language. Hence it is the language of choice for data scientists to prototype, visualize, and run data analyses on small and medium-sized data sets. This is a unique book that helps bridge the gap between machine learning and web development. It focuses on the difficulties of implementing predictive analytics in web applications. We focus on the Python language, frameworks, tools, and libraries, showing you how to build a machine learning system. You will explore the core machine learning concepts and then develop and deploy the data into a web application using the Django framework. You will also learn to carry out web, document, and server mining tasks, and build recommendation engines. Later, you will explore Python’s impressive Django framework and will find out how to build a modern simple web app with machine learning features.
Table of Contents (10 chapters)
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9
Index

Decision trees


This class of algorithms aims to predict the unknown labels splitting the dataset, by generating a set of simple rules that are learnt from the features values. For example, consider a case of deciding whether to take an umbrella today or not based on the values of humidity, wind, temperature, and pressure. This is a classification problem, and an example of the decision tree can be like what is shown in the following figure based on data of 100 days. Here is a sample table:

Humidity (%)

Pressure (mbar)

Wind (Km/h)

Temperature (C)

Umbrella

56

1,021

5

21

Yes

65

1,018

3

18

No

80

1,020

10

17

No

81

1,015

11

20

Yes

Decision tree for predicting whether to bring an umbrella or not based on a record of 100 days.

In the preceding figure the numbers in squares represent the days on which an umbrella has been brought, while the circled numbers indicate days in which an umbrella was not necessary.

The decision tree presents two types of nodes: decision nodes, which...

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Machine Learning for the Web
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