Big data = Dirty data

Big data = Dirty data

Data preparation is a big part of an analyst’s job, and when you have big data, it often becomes a bigger part of the job.

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Every Sci-Fi Starship Ever, In One Mindblowing Comparison Chart

This comparison chart, compiled by DeviantARTist Dirk Loechel, presents what he says is an accurate size-comparison between famous sci-fi starships. As far as I can tell it’s got more or less every single sci-fi starship ever, from Star Wars to Warhammer to EVE Online to Halo and way, way beyond. In an update this month, Loechel added a ton more ships to what already must have been a huge collection.

How to Be Productive When Everything’s Blocked at Work

How to Be Productive When Everything’s Blocked at Work

There are a ton of killer productivity apps out there, but if you work somewhere with strict IT policies, you might be left out of the party. It can be hard to convince your IT department to let you install Evernote or a Chrome app to help you get things done. Here’s how to stay productive with the tools you likely have, and even sneak in some of your favorites on the side.

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The most unisex names in US history

The most unisex names in US history

Moving on from the most trendy names in US history, let’s look at the most unisex ones. Some names have always been predominantly male, such as Frank and Joseph, and some names are mostly female, such as Jessica and Michelle. However, there is a small group of names that is split between male and female. The charts above show the most unisex names between 1930 and 2012.

Jessie, Marion, and Jackie top the list, as they’ve stuck around that 50-50 split over the decades. Of course, as you move down the list, there are more slopes up and down and some noisy spikes for the less common baby names, such as Gale and Alva.

SPOCS

Harvard plans to boldly go with ‘Spocs’

Harvard University is moving beyond massive open online courses (MOOCs) to small private online courses (SPOCs). Like MOOCs, SPOCs are offered for free over the Internet, but registration is limited to tens or maybe hundreds of students, rather than the tens of thousands that can enroll in a MOOC. SPOCs have a selection process for applicants and the ability to tailor the course experience. Fees and course credits for SPOCs could emerge in the future. However, Harvard will continue to offer MOOCs, along with SPOCs and traditional classroom-based courses. SPOCs will offer smaller class sizes that will increase student engagement and allow more thorough assessments, as well as the possibility of improved certification.