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Clojure for Data Science

You're reading from Clojure for Data Science

Product type Book

Published in Sep 2015

Publisher

ISBN-13 9781784397180

Pages 608 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Henry Garner

Table of Contents (18) Chapters

Clojure for Data Science

Credits

About the Author

Acknowledgments

About the Reviewer

www.PacktPub.com

Preface

1. Statistics

2. Inference

3. Correlation

4. Classification

5. Big Data

6. Clustering

7. Recommender Systems

8. Network Analysis

9. Time Series

10. Visualization

Index

B1

Now that we can generate samples of data in ClojureScript, we'd like to be able to plot them on a histogram. We need a pure Clojure alternative to Incanter that will draw histograms in a web-accessible format; the B1 library (https://github.com/henrygarner/b1) provides just this functionality. The name is derived from the fact that it is adapted and simplified from the ClojureScript library C2, which in turn is a simplification of the popular JavaScript data visualization framework D3.

We'll be using B1's simple utility functions in b1.charts to build histograms out of our data in ClojureScript. B1 does not mandate a particular display format; we could use it to draw on a canvas element or even to build diagrams directly out of the HTML elements. However, B1 does contain functions to convert charts to SVG in b1.svg and these can be displayed in all modern web browsers.

Scalable Vector Graphics

SVG stands for Scalable Vector Graphics and defines a set of tags that represent drawing instructions...

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Authors (1)

Henry Garner

Henry Garner is a graduate from the University of Oxford and an experienced developer, CTO, and coach. He started his technical career at Britain's largest telecoms provider, BT, working with a traditional data warehouse infrastructure. As a part of a small team for 3 years, he built sophisticated data models to derive insight from raw data and use web applications to present the results. These applications were used internally by senior executives and operatives to track both business and systems performance. He then went on to co-found Likely, a social media analytics start-up. As the CTO, he set the technical direction, leading to the introduction of an event-based append-only data pipeline modeled after the Lambda architecture. He adopted Clojure in 2011 and led a hybrid team of programmers and data scientists, building content recommendation engines based on collaborative filtering and clustering techniques. He developed a syllabus and copresented a series of evening classes from Likely's offices for professional developers who wanted to learn Clojure. Henry now works with growing businesses, consulting in both a development and technical leadership capacity. He presents regularly at seminars and Clojure meetups in and around London.

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