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...
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...
Drupal is a great tool, with its customizable templates. However, there are some things you just can’t seem to do with those .tpl.php files - and one of them seems to be rendering out an AJAX pager. Background For our new blog layout, we wanted to have...
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...
We are running a couple Coldfusion 9.0.1 servers with all the latest hotfixes and updates. We also needed secure cookies for these particular servers and we are using JSESSIONID instead of the CFID and CFTOKEN cookies. However, the JSESSIONID cookie was not secure by default...
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...
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...
Tilt is self described as a "Firefox extension focused on creating a 3D visualization of a webpage, drawn using WebGL. Since the DOM is essentially a tree-like representation of a document, this tool layers each node based on the nesting in the tree, creating stacks...
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....
Custom Table Calculations is one of the most advanced concepts in Tableau. The main resources Tableau provides can be found at On-Demand Training - Table Calculations (requires sign in) and Top 10 Tableau Table Calculations where you can find a variety of examples and a white paper with additional details....
As a general Google fan, BigQuery looks like it could be an interesting project to monitor for the data crunching and BI geeks among us. The project could flop entirely due to lack of marketing or a partnership foundation -- or they could really do it...
This can be regarded as a continuation to my previous post: "How to boot from iSCSI on an Intel x-520 mezzanine card (Dell Blades)." Pretty much the only reason you want to boot from iSCSI is so that you can install an operating system directly to...
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