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Data

Neutrality has always been a key concern in data analysis. As analysts, it is critical that we not introduce our own bias into the interpretation of data. Anyone who has had a statistics class is familiar with the importance of random samples and neutral questions....

With Tableau 8, users gained the ability to color marks by multiple dimensions on a single axis with some automatic combined field magic. What happens though, when you want color by a dimension and a measure? In the past, I have separated out members of...

If I were to ask you to name the three most significant factors that predict the murder rate within a geographic area, then I would expect you would name some measure of median income. To test this hypothesis, we could do a simple linear regression...

Wow.  Now THAT was an amazing conference. You got away from work for a couple days, met a lot of cool people, attended a lot of great sessions, learned a ton … now what? The day after kinda sucks. You’re probably still riding the wave from...

Rosetta Stone Inc. is a U.S. software company that develops Rosetta Stone, a computer-assisted language learning program that teaches more than 30 languages. Client Testimonial "Working with InterWorks helped Rosetta Stone jumpstart our Tableau implementation. The InterWorks team was able to quickly train the Rosetta Stone BI...

This year I’m going to try something different for the Tableau Customer Conference: I’m going to try to Sketchnote some of the sessions I attend. What's a Sketchnote? I don’t blame you if you’re not familiar with this term. I wasn’t until recently. In my mind, I position...

In the interest of full disclosure, I should let you know that I am a SAS user with a math background. I want to share my experience of exploring Tableau as a new user doing analysis in a relatively unfamiliar environment. For this first piece, we...

I know many of you cringed when you saw the words Global Filter, but I’ve had many questions come up recently regarding this while clients upgrade from Tableau 7 to Tableau 8. So, I thought I’d put something together.  Quick Filters in Tableau 7 In Tableau 7,...

This weekend I presented an introduction to Agile Data Warehouse Design for SQL Saturday #223 in Oklahoma City, OK. It was a fun talk for a great crowd. At the end, my friend Kristin Ferrier (blog:twitter) asked a great question: "What is the expected deliverable from...

Just last week, HP Vertica wrapped up it’s first-ever Big Data Conference. The conference was the biggest opportunity to date for InterWorks and other Vertica partners to share their working knowledge of Vertica and network with each other. The Big Data Conference also featured several...

The Problem As consultants, we often run into instances where we need to connect to a Microsoft SQL database as a user from another domain. Using SQL Server Management Studio fails the login because we can't specify which domain credentials to use, just that we want to...

One of the dangers of getting older, enjoying technology or writing a book is becoming sedentary. In December of last year, I realized that my lifestyle was simply not healthy. I wasn't eating properly or exercising enough. My weight was 182 pounds (well over my...

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