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Create Beautiful Visualizations that Free Your Data to Tell Powerful Truths
“The depth of Barrett Clark’s knowledge shines through in his writing: clear, concise, and confident. Barrett has been practicing all of this stuff in his day job for many years–Postgres, D3, GIS, all of it. The knowledge in this book is real-world and hard-earned!”
–From the Foreword by Obie Fernandez
Data Visualization Toolkit is your hands-on, practical, and holistic guide to the art of visualizing data. You’ll learn how to use Rails, jQuery, D3, Leaflet, PostgreSQL, and PostGIS together, creating beautiful visualizations and maps that give your data a voice and to make it “dance.”
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Barrett Clark teaches through real-world problems and examples developed specifically to illuminate every technique you need to generate stunningly effective visualizations. You’ll move from the absolute basics toward deep dives, mastering diverse visualizations and discovering when to use each. Along the way, you’ll build three start-to-finish visualization applications, using actual real estate, weather, and travel datasets.
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Clark addresses every component of data visualization: your data, database, application server, visualization libraries, and more. He explains data transformations; presents expert techniques in JavaScript, Ruby, and SQL; and illuminates key concepts associated with both descriptive statistics and geospatial data. Throughout, everything is aimed at one goal: to help you cut through the clutter and let your data tell all it can.
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This guide will help you
- Explore and understand the data visualization technology stack
- Master the thought process and steps involved in importing data
- Extract, transform, and load data in usable, reliable form
- Handle spotty data, or data that doesn’t line up with what your chart expects
- Use D3 to build pie and bar charts, scatter and box plots, and more
- Work effectively with time-series data
- Tweak Ruby and SQL to optimize performance with large datasets
- Use raw SQL in Rails: window functions, subqueries, and common table expressions
- Build chord diagrams and time-series aggregates
- Use separate databases or schema for reporting databases
- Integrate geographical data via geospatial SQL queries
- Construct maps with Leaflet and Rails
- Query geospatial data the “Rails way” and the “raw SQL way”
- Sales Rank: #2037301 in Books
- Published on: 2016-08-28
- Original language: English
- Dimensions: 8.90" h x .60" w x 6.90" l, .0 pounds
- Binding: Paperback
- 256 pages
About the Author
Barrett Clark is a Rubyist turned polyglot software developer. Now at Sabre Labs, an emerging travel technology incubator and research lab, Clark works to make meaningful change in the travel industry. He has worked extensively with mapping, geolocation, indoor location, and proximity. His recent speaking engagements include Mountain West Ruby Conference, API World, Mountain West Ruby Conference, and RailsConf.
Most helpful customer reviews
0 of 0 people found the following review helpful.
A more interesting Rails refresher
By Scott G.
I had been out of the rails world for a few years, and I wanted something a little more interesting for a refresher than a simple CRUD tutorial. This fulfilled my needs perfectly and not only revived what meager rails knowledge I once held but sparked some interest in crunching data sets as well. The examples are clear and the text is straight to the point. I had to make sure to use d3 version 3.x and not the newer 4.x to follow the examples, but I'm thinking it will be a fun and possibly simple exercise to update the js to use version 4.
1 of 1 people found the following review helpful.
Five Stars
By Josh Hunter
This book opened up a whole new world of possibilities for me. Thanks Barrett!
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