Download e-book for kindle: Learning Apache Mahout Classification by Ashish Gupta

By Ashish Gupta

ISBN-10: 1783554959

ISBN-13: 9781783554959

Build and customize your personal classifiers utilizing Apache Mahout

About This Book

  • Explore the differing kinds of category algorithms on hand in Apache Mahout
  • Create and review your individual ready-to-use class types utilizing genuine international datasets
  • A sensible advisor to difficulties confronted in class with techniques defined in an easy-to-understand manner

Who This ebook Is For

If you're a facts scientist who has a few event with the Hadoop surroundings and laptop studying equipment and wish to attempt out type on huge datasets utilizing Mahout, this booklet is perfect for you. wisdom of Java is essential.

What you'll Learn

  • Apply laptop studying innovations within the quarter of classification
  • Categorize the unknown goods by utilizing the class version in Apache Mahout
  • Use the classifier to categorise textual content documents
  • Implement a multilayer perceptron to map units of enter to acceptable output sets
  • Develop the Hidden Markov version for a method with hidden states
  • Build and installation an electronic mail classifier which may expect the supply of incoming mail

In Detail

This e-book is a realistic consultant that explains the category algorithms supplied in Apache Mahout with assistance from genuine examples. beginning with the creation of category and version assessment options, we'll discover Apache Mahout and examine why it's a sensible choice for classification.

Next, you are going to find out about various category algorithms and types similar to the Naive Bayes set of rules, the Hidden Markov version, and so on.

Finally, besides the examples that help you within the production of versions, this booklet lets you construct a mail category procedure that may be produced once it really is built. After studying this e-book, it is possible for you to to appreciate the idea that of class and some of the algorithms besides the artwork of establishing your individual classifiers.

Show description

Read Online or Download Learning Apache Mahout Classification PDF

Best enterprise applications books

Download e-book for kindle: Dragon dictate 2.5 by Maria Langer

The publication walks readers via how one can educate Dragon Dictate, permitting it to acknowledge the way in which readers communicate. Readers will find out how to upload really expert phrases and names and the way to manage Mac functions utilizing their voice. The booklet then strikes directly to enhancing textual content records, permitting readers to choose, delete, capitalize and paintings with textual content.

Download PDF by Jen Stirrup: Tableau Dashboard Cookbook

It is a Cookbook containing an in depth sequence of useful task-based recipes that will help you get the main out of utilizing a Tableau dashboard. This booklet is perfect for you when you are already accustomed to Tableau and need to profit tips to create a useful instrument in your company by means of development your personal dashboard.

Download e-book for iPad: SQL Server 2012 Reporting Services Blueprints by Marlon Ribunal

SQL Server 2012 debts for an important percentage of the database marketplace, and progressively more businesses are enforcing SSRS as a part of their BI implementation. Its Reporting companies bargains a complete, hugely scalable resolution that permits real-time determination making. SQL Server 2012 Reporting providers Blueprints is meant to be simply that, a sequence of Blueprints – issues that paintings instantly out of the field and that reflect what a true task calls for actual file builders to do.

Download e-book for iPad: Business continuity management systems : implementation and by Hilary Estall

This useful consultant is written for organizations who're imposing a enterprise continuity administration method and certification in response to ISO 22301. the advance of a BCMS calls for dedication, time, resourcefulness and administration help. This publication will totally equip these new to enterprise continuity administration or to administration structures with survival talents for the ups and downs of the adventure.

Additional info for Learning Apache Mahout Classification

Example text

More explanatory fields will expand the hypothesis space and will be useful to overcome this problem. Both overfitting and underfitting provide poor results with new datasets. Mahout supports logistic regression trained via Stochastic Gradient Descent. Naïve Bayes classification: This is a very popular algorithm for text classification. We will discuss vectorization, bag of words, n-grams, and other terms used in text classification. Hidden Markov Model (HMM): This is used in various fields, such as speech recognition, parts-of-speech tagging, gene prediction, time-series analysis, and so on.

This will eventually lead to an increase in sales. Finding related items or suggesting a new item to the user is all part of the data science in which we analyze the data and try to get useful patterns. It is helpful in many industries, such as e-commerce, banking, finance, healthcare, telecommunications, retail, oceanography, and many more. In this process, scientists collect historical data of the atmosphere of that location and try to create a model based on it to predict how the atmosphere will evolve over a period of time.

Positive predictive value (precision) * sensitivity (recall))/(Positive predictive value (precision) +sensitivity (recall))). The closer the value is to 1, the greater is your classifier. The entropy matrix Before going into the details of the entropy matrix, first we need to understand entropy. The concept of entropy in information theory was developed by Shannon. It is defined as: Entropy = -p1log(p1) – p2log(p2)- ……. Here, we have two properties (classes): eligible or not eligible. A good model will have small negative numbers along the diagonal and will have large negative numbers in the offdiagonal position.

Download PDF sample

Learning Apache Mahout Classification by Ashish Gupta


by Richard
4.1

Rated 4.60 of 5 – based on 42 votes