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Benjamin Ball11/24/14
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The Best of the Week (Nov 14): Agile Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Agile Zone (November 14 - November 21). This week's topics include agile transformation in big companies, points of failure, Scrum and Kanban, agile perspective shifts, and replacing backlog grooming.

Robert Diana11/23/14
1506 views
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Geek Reading November 19, 2014

These items are the fruits of those ideas, the items I deemed worthy from my daily reading. These items are a combination of tech business news, development news and programming tools and techniques.

Mark Needham11/23/14
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R: Refactoring to dplyr

I’ve been looking back over some of the early code I wrote using R before I knew about the dplyr library and thought it’d be an interesting exercise to refactor some of the snippets.

Maarten Ectors11/23/14
1845 views
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IoT and Personal Health

I just saw Eric Dishman’s TED session on “Health care should be a team sport“. I love the idea of providing people with chronicle illness the means to be diagnosed and treated remotely and use big data to learn of a large group of patients with similar issues.

John Walter11/23/14
3678 views
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The Best of the Week (Nov 14): IoT Zone

Make sure you didn't miss anything with this list of the Best of the Week in the IoT Zone (November 7 - November 14). This week includes a look at the WatchKit SDK, the effect of IoT on our lives, and the role of logging in the IoT.

Erich Styger11/22/14
8874 views
1 replies

Engineering Joke of the Week: The Frog

A little engineering humor for your weekend...

Mark Needham11/22/14
6317 views
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R: dplyr - Group by field dynamically

A few months ago I wrote a blog explaining how to dynamically/programatically group a data frame by a field using dplyr but that approach has been deprecated in the latest version. It turns out the ‘group_by_’ function doesn’t want to receive a list of fields so let’s remove the call to list:

John Walter11/22/14
4168 views
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The Best of the Week (Nov. 21): DevOps Zone

Make sure you didn't miss anything with this list of the Best of the Week in the DevOps Zone (November 14 - November 21). This week includes a guide to Ansible Galaxy, a look into metrics, and thoughts on config promotion.

Michael Sahota11/21/14
4184 views
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People over Process

Agile and Lean are a means to an end. Once we are clear what our goals are and our approach is consistent with what we truly value, then we may hope for success. We outline a fundamentally different approach for organizational change: one where valuing people is integral to building lasting success.

Allan Kelly11/21/14
10814 views
4 replies

Does Agile require cultural change?

I sit in Agile conferences and I hear people say “To really become Agile you need culture change.” And I agree with them. But…

Seth Proctor11/21/14
3861 views
0 replies

Why Automation Matters

Distributed systems are complicated, and operating one as it scales out is more so. This is why we're so passionate about the experience of using NuoDB and making that operational experience as simple as possible.

Mike Cottmeyer11/21/14
5476 views
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Replacing Backlog Grooming

Over the last few years, I’ve worked with numerous teams. One thing they all struggle with is backlog grooming. Over the last few years I have evolved my practice of backlog grooming.

Mehdi Daoudi11/21/14
2686 views
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Why Outages Are the Scariest Thing for DevOps - and Businesses

The scariest thing for a DevOps person is the effect that a web outage will have on his or her company.

Steven Willmott11/21/14
1465 views
0 replies

Pimp My Fridge - My Week Hacking in Louisville, KY

I’ve recently gotten interested in hacking hardware, which lead me on a journey to FirstBuild where I got to work on hacking together the Beerminder!

Rob J Hyndman11/20/14
1504 views
0 replies

Seasonal Periods

The “fre­quency” is the num­ber of obser­va­tions per sea­son. This is the oppo­site of the def­i­n­i­tion of fre­quency in physics, or in Fourier analy­sis, where “period” is the length of the cycle, and “fre­quency” is the inverse of period. When using the ts() func­tion in R, the fol­low­ing choices should be used.