Edd Dumbill

Edd Dumbill is a principal analyst for O'Reilly Radar, and program chair for the O'Reilly Strata Conference and the O'Reilly Open Source Convention.

Strata Gems: Explore and visualize graphs with Gephi

Powerful open source graph manipulation

A Photoshop for data, Gephi is a powerful tool for exploring and presenting data as a graph. It's easy to get started with sample data sets, then import your own by generating files in a standard graph format.

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Strata Gems: Five data blogs you should read

Data geekery, visualization and journalism

From deep-diving startup founders to national newspapers, there's a rich vein of wisdom and information in blogs about data. Here's five to get your reading list started.

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Strata Gems: The timeless utility of sed and awk

A little command line knowledge goes a long way

Though over 30 years old, the command line utilties sed and awk are still go-to tools for working with data.

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Strata Gems: Where to find data

Starting points for data markets and open data

With the growth of both the open data movement and data marketplaces, there's now
a wealth of public data that you can use in your analyses and applications.

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Strata Gems: Quick starts for charts

Make your charts more informative and interesting

You know bar and pie charts can be ineffective, but where do you turn next? Here are some great starting points to make a start with more interesting and effective charts.

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Strata Gems: Write your own visualizations

The Processing language is an easy way to get started with graphics

Visualization is a powerful way to turn data into a story. But if you're not a "graphics person", where do you start?

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Strata Gems: Use Wikipedia as training data

The online encyclopedia is a great resource for data scientists

Wikipedia is an essential tool in the data scientist's armory. Today's Strata Gem shows how it can be used to help computers distinguish between different sense of common words.

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Strata Gems: Try MongoDB without installing anything

An easy way to get started with a NoSQL database

Want to dip your toes into the world of NoSQL databases? In the first of our Strata Gems series, find out how explore MongoDB through your web browser.

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Strata Week: Life, by the numbers

Strata Week: Life, by the numbers

Mapping 311 data, the social effects of traffic, Google Maps and border disputes, and a natural language processing challenge.

This issue of Strata Week follows the path of data through cities, streets and border conflicts. We conclude our journey with a little brain work, as a programming challenge is announced to automatically identify topics and trends in Twitter and Facebook updates.

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Strata Week: Building data startups

Strata Week: Building data startups

Strata registration opens, making money with data, dolphins and cellphones, data in the dirt

In this week's look at the world of data, learn how to build a money-making data startup, register for Strata 2011, and hear of new developments in the mining of offline social networks.

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