Tableau and Aster Data: Out of memory while reading tuples
You might come across this error when working with large datasets or extracts when using the native Aster Data connection. As of this writing all the ...
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On Her Majesty’s Secret Server
Tableau's second European conference is fast approaching (for full details click here). I cannot recommend these conferences highly enough. Tableau's organisation at these events is faultless and the speakers are inspirational. The conference is also a great opportunity to meet other fellow Tableau evangelists and see how...
Designing Tableau Visualizations for the iPad
When Tableau released version 6.1 last year they also released the first iteration of their iPad application. With it, users have the ability to connect to any Tableau server they have access to and not only view but interact with visualizations on Apple’s brilliant touch...
Tableau Administrators Toolkit: tabcmd.exe
He stands at the podium and proclaims with a sense of otherworldly serenity ‘it just WORKS!’. A friendly wink, an embarrassed half grin and a subtle nod in the direction of the competition and the message is clear. You’re one of...
Preparing Data for Tableau: 3 of 3 (video tutorial)
I find the best way to learn how to use Tableau is to find some real data you’re interested In, bring it in to Tableau and do something interesting with it. In this video series I’ll show you how I found some data and the...
Preparing Data for Tableau: 2 of 3 (video tutorial)
I find the best way to learn how to use Tableau is to find some real data you’re interested In, bring it in to Tableau and do something interesting with it. In this video series I’ll show you how I found some data and the...
Preparing Data for Tableau: 1 of 3 (video tutorial)
I find the best way to learn how to use Tableau is to find some real data you’re interested In, bring it in to Tableau and do something interesting with it. In this video series I’ll show you how I found some data and the...
Art in Tableau 1
We love playing with Tableau and seeing what new things we can do with it. These visuals all look better on a full screen so please feel free to download the workbook. ...
SOPA Congressional Picture
House Resolution 3261, more commonly known as SOPA, or the Stop Online Piracy Act, is garnering a great deal of attention lately, especially as major websites such as Wikipedia and Reddit are blacking out their services in protest of the controversial legislation. For proponents of SOPA,...
Data Connections – Making life easy for your fellow colleagues
In my experience most technical IT types love to name databases and data fields in weird and wonderful ways. A good example is this gem I encountered recently "ATV", take a guess at what that means. If you create a data field called "ATV" and...
Instruction for Tableau Dashboard Hidden in Tooltip
Are you creating a Tableau dashboard and need to leave instructions for users on how to use the dashboard, but you don't want to take up valuable space for these instructions? If so, this post is definitely for you. Using a Created Field, we will...
Three Little Phrases
There are a few phrases I find cropping up regularly in the office that I think are useful and I'd like to share with you: "Great answers breed even better questions" This is the power of iterative analytics; the results of the analytical process provokes more refined, more...
Non-Traditional Data Sources in Tableau
Tableau gives us a lot of ways to connect to data. We can easily connect to Excel, Access, SQL Server, Oracle … the list goes on and on. One place that’s not in that list is email. We get a lot of data that’s been...
Quick Connect to Excel Spreadsheet from Tableau
There are a couple ways we can connect to data in Excel … today I want to show you one that many people overlook. You can simply drag an icon for a file that Tableau recognizes (Microsoft Access, Microsoft Excel or a Text File like...
DFW.TUG Year End Retrospective
Last night was the Dallas – Fort Worth Tableau user group’s annual holiday party. They say there aint no party like a data geek party, I think the 15 data geeks in attendance last night would agree! One of my favorite traditions is the year end...
Enhanced 2011 Final Harris Poll Results Tableau Style
As the last week of the college regular season football schedule ended, the big debate was if Oklahoma State did enough to earn a spot in the BCS Championship game. As an Oklahoma state fan, I believe they did, after they demolished a pre-season...
Improved Waterfall Chart in Tableau
A waterfall chart is visualization that helps illustrate the cumulative effect of multiple data elements. The waterfall chart isn’t my favorite visual, but I've softened to it lately. It's hard to not like a chart that is sometimes called the Mario chart due to the suspension of...
Dashboard Failure
Nobody blogs about failure, right? In meetings and during training sessions I often talk about both failure and success. Specifically, I often mention my definition of dashboard failure which is if the user asks: "Can I download this data into Excel?" This will, of course, happen but your...
Three Points to Remember for Success With Tableau and OLAP Cubes
From time to time, clients create proof-of-concept dashboards in Excel or other relational data source and then hit a wall converting it to an OLAP cube. I’m never surprised to see it happen. What most people don’t realize is that Tableau behaves much differently when...
Custom Table Calculations Part 2
This is the second post on Table Calculations in Tableau. The first post covered the Groundwork, pill types, a worksheet layout, and the basics of the TOTAL() function. This post will look at what I consider the functions: INDEX(), FIRST(), LAST(), and SIZE(), partitioning vs....
