Data from the U.S. Citizenship and Immigration Services shows clearly that the largest users of H-1B visas are offshore outsourcing firms.
You don't always need high-end tools like Python or OpenRefine to reformat data. Plain old Excel can do the job.
From a beginner's guide to data-wrangling how-to and searchable collection of additional tutorials and videos, we've got you covered.
We look at Census data to find that the can't-even-get-a-date stereotype of techies is somewhat of a myth. But there's also another side to the statistics.
Despite the continuing rise in home computer usage, a substantial portion of U.S. households are not Internet users.
From books to videos to online tutorials -- most free! -- here are plenty of ideas to burnish your R knowledge.
Not happy with the Google Analytics interface? We show you how to use a programming language like R to bypass Google Analytics and retrieve the data you want.
Here's one way to use big-data skills as the holidays approach: Find out what recipes are most popular. Analysts parsed 78 million November page views at Allrecipes.com to see favorite Thanksgiving foods by state.
Facebook's IPO was considered an early bust while Twitter's has been deemed a success. In terms of orderly market activity, that's without question. But what about prices?
This sortable chart lets you compare dozens of tools for functionality, skill level and more.
R is mighty, but it can be complex for data tasks. Learn how to get summaries, sort and do other tasks with relative ease. (Now updated with dplyr examples.)
We look at three keyboard covers for the iPad Mini from Belkin, Logitech and Zagg. Which is best at protecting your screen while typing your data?
Users from Germany and Hong Kong offered real-world experience in deploying data mapping apps at the Esri International User Conference in San Diego.
Why x=3 doesn't always mean what you think it should, about data types and more.
From no-frills graphics to adding color and labeling your data, here's what you need to know.
From getting subsets of your data to pulling basic stats from your data frame, here's what you need to know.
Whether it's local or from the Web, there are several ways to get data into R for further work.
In part 1 of our hands-on series, we explain why R's a great choice for basic data analysis and visualization work, and how to get started.
Big data may seem to promise big insights to users, but more isn't always better, cautions statistician Nate Silver.
Adobe has released a public beta of its Lightroom 5 photo-editing application. While not a radical reworking, it includes some useful new tools.