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This is the first in a three part series related to the four types of pills in Tableau. The four pill types are discrete dimension, continuous dimension, discrete measure, and continuous measure. Grasping these concepts is important to understanding Tableau and relational databases in general....

As an InterWorks Consultant, I get the privilege of traveling around the country at times to teach Tableau. In these classes are a variety of different people from different backgrounds and organizations. From CTOs and CIOs, to business analysts and just data geeks who desire...

A few months ago, I received a call from a close friend who was very elated and very frustrated. She was elated because after many weeks of difficult conversations with her company’s IT department, she had finally received access to the data warehouse. At the...

Occasionally, you will find the need to compare filtered data against the total data source. As Tableau's filters remove the data from the data partition, this can sometimes be a tricky problem. You might be tempted to try the "Total" function in a formula like the...

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...

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