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...
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...
It's always interesting to see where government is spending so here's some data on a platter...
I'm not a great fan of infographics, they don't assist the viewer in understanding the core story being told, so here's my alternative version of a Guardian produced infographic. See below for the original: Although pretty and colourful does it make it easy to understand the...
In August, the CDC published some data and charts related to Fetal Alcohol Spectrum Disorders (FASD). Included was the following map breaking down alcohol use and binge drinking by state: View Dashboard The chart contains all the relevant information, but is less helpful than the typical...
Works Management (WM), the voice of UK manufacturing, provides a forum for the process management and improvement industry to exchange views on business improvement. WM interviews the industry’s leading strategic thinkers behind manufacturing in the UK and brings to light how business intelligence and process...
This weekend saw the Croydon Cyclone disc golf tournament. It was the biggest UK tour event for a long time, and the Croydon club created a tough course. Here's the analysis of each hole's results. As you can see, it was a tough event. Click...
Over on the forum, Jeremy asked about making trellis charts. For more info on trellis/panel charts, John Peltier has a great article about them. Consider a case where you want to visualise two measures (eg sales and time) for a Dimension with many members, such...
99.9% of the time, Tableau Server installation will be smooth sailing. The wizard is simple and easy, and Tableau’s online help is a wonderful guide. However, if you do have the misfortune of seeing the error message “Tableau Server initialization failed. See...
Tableau's sample files wouldn't look so good if they weren't well designed Alistair Knock posted a great question by Moose Peterson on Google+ about feedback on user photographs on the web:why do most people just make anodyne comments along the lines of “Nice!” when they probably...
BBC Sport have just published their Price of Football survey where they looked at the cost of tickets, programmes and old-school refreshments. The following visualisation compares the BBC headline cost 'Cheapest Day Out' (the total cost of the cheapest ticket, a programme, a pie and a cup of...
Back in November, JISC InfoNet published the results of its survey of BI solutions in Higher- and Further- education. A snaphot is below. Being someone who is passionate about good quality visualisations, I rattled off a couple of less than complimentary tweets about this. Here's...
I hate waiting. I hate sitting there watching the timer spin. Knowing the data is flying in the background is no comfort to me as I wait for a chart to finish loading. No matter how much data is moving through the pipes, when I...
I had a great time sharing my ‘Dimensional Design 101’ presentation with the devs at Codestock 2011. This is one of my favorite presentations and Codestock has become one of my favorite events. [...
The power of social networking has struck again. Next are seeking their next Top Model. Computer Science graduate Roland Bunce is the runaway favourite so far. I took the data of the top five entrants and created this viz to emphasize how big a lead...
Jerome Cukier has put together a great viz for the current Tableau vizualisation contest. Here it is, with my thoughts below (his original blog post and commentary are here): ...
You may have read my post on the bar-chart tooltip, or seen it on the Tableau Knowledge Base. That was always something I was proud of. When Tableau released v6, and with it Table Calculations, I suspected there was a way to extend it. Once...
Thanks for visiting the blog - if you are visiting here as a result of my Tableau European Customer Conference session, welcome along. The best way to keep up to date with new posts is via my twitter feed (@acotgreave). My session was all about tooltips,...
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