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July 2014 Blog Posts (45)

Standardized Performance Friendly to Big Data

Somebody once mentioned to me that there is a need for a standard method of performance evaluation that can be applied to all employees regardless of their exact duties: e.g. to compare a janitor to an accountant. In my jurisdiction, there is a regulatory requirement for "equal pay for work of equal value" that can affect companies with government contracts. I consider the concept of "equal value" complicated due to its subjective nature. Certainly two people handling exactly the same work…

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Added by Don Philip Faithful on July 5, 2014 at 7:31am — No Comments

Beyond The Visualization Zoo

NOTE: This article is best viewed in Chrome. Firefox does not display some of the images.

The best document I have read on visualization is called "A Tour Through The Visualization Zoo" by Jeffrey Heer, Michael Bostock, Vadim Ogievetsky. It's a must-read picture book for aspiring Data Scientists. Most of the graphics from this post are examples of the Tour taken from the d3…

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Added by Peter Higdon on July 4, 2014 at 12:00am — No Comments

Law and Ethics of Online Human Subject Experiments

Facebook data scientists recently conducted an online experiment on 689,003 unknowing Facebook users - likely including children under the age of 18 - to see if it could manipulate and change user emotions. One group had positive words like “love” and “nice” filtered out of their News Feeds. Another group had negative words like “hurt” and “nasty” filtered. The result - published in a paper entitled…

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Added by Michael Walker on July 3, 2014 at 11:56am — No Comments

Weekly Digest - July 7

The full version is always published Monday. Starred articles are new additions or updated content, posted between Thursday and Sunday.

Featured Articles

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Added by Vincent Granville on July 2, 2014 at 9:30am — No Comments

Considerations When Selecting a BI Vendor

Purchasing new business intelligence (BI) software is a difficult process. There are dozens of vendors with different specialties and price ranges. For many looking into BI for the first time, part of the process is simply learning what BI is.

Without a system for eliminating ill-fitting options, perspective buyers can easily pick the wrong solution for their company,…

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Added by Jesse Jacobsen on July 1, 2014 at 4:29am — No Comments

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