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May 28
May 28 Using Tableau to Anonymize Everyone but the Active User (e.g. Sales Rank)

Eric Parker
Tableau General Knowledge, Tableau How-Tos

There are a number of scenarios where you may want to build a dashboard that anonymizes the names/personalized information of everyone except the active user.

May 21
May 21 How to Add a Reference Line to a Donut Chart

Eric Parker
Tableau How-Tos

Warning! Proceed at your own risk. Before I go any further I should say that this is going to be a wild post with a lot of moving parts. I think a donut chart with a reference line is a really fun and different visual, but it’s only going to work in select circumstances.

May 14
May 14 How to Make a Donut Chart in Tableau

Eric Parker
Tableau How-Tos

In the Tableau world, donut charts sometimes get a bad reputation just like pie charts. The reason basically boils down to humans being less adept at comparing angles of a circle than length or a line or bar. That said, I have a soft spot (pun intended) for donut(s) (charts).

May 7
May 7 Viewing Data in a Time Zone of Your Choosing (In Tableau)

Eric Parker
Tableau How-Tos, Tableau Calculations

Imagine you are looking at a Tableau visual and want to to view the data translated into your local time zone. Transactions take place all over the country in different time zones but you’d like to see them all in local Pacific Time (for instance).

May 1
May 1 Unraveling the Mystery of Tableau Level of Detail Expressions - Webinar Recording

Eric Parker
Tableau Calculations, Level of Detail

Level of Detail Expressions are one of the most powerful and least understood features in Tableau's calculation toolkit. Watch the below webinar recording to learn how they can be used to get more out of your Tableau workbooks.

Apr 23
Apr 23 Calculating Customer Behavior Frequency in Tableau

Eric Parker
Tableau Calculations, Level of Detail

I’ve been working with a healthcare system that wants to do a better job of understanding patient behavior. Better understanding will drive decisions around staffing, purchasing, shift breaks, essentially the entire way the system is managed.

Apr 16
Apr 16 Giving Your User Multiple Sorting Options with Tableau Parameters

Eric Parker
Tableau General Knowledge, Tableau Trouble-Shooting

One of my quarantine activities has been freeing up space on my computer. In the process, I found a video I meant to post to the blog that I made a year ago! Thankfully, it is still as relevant as ever. Check out the video to learn how you can encode different sort options in a drop-down for your end users to select from.

Apr 10
Apr 10 Tableau Parameters: Everything You Should Know (Webinar Recording)

Eric Parker
Tableau General Knowledge, Tableau How-Tos, Tableau Calculations, Tableau Dashboards

Want to quickly learn all the main topics you need to know about Tableau Parameters? Check out the webinar recording above!

Apr 2
Apr 2 Animating the Failures of the 2018 Seattle Mariners

Eric Parker
Thought Leadership, Tableau How-Tos

I miss baseball. I’m a hopeless Mariners fan. I was blessed/cursed to grow up in the 1990s and early 2000s when the Mariners were putting together exciting teams with players like Ken Griffey Jr., Randy Johnson, Alex Rodriguez and Edgar Martinez.

Mar 26
Mar 26 Business Data Analysis in the Time of the COVID-19 Crisis

Eric Parker
Thought Leadership

The world is changing around us and it is changing quickly. In my lifetime I can only remember two events which had anywhere near the same level of impact as the current COVID-19 Crisis; 9/11 and the 2008 financial crisis.

Mar 19
Mar 19 Switch an Image with a Selection in a Tableau Dashboard

Eric Parker
Tableau How-Tos, Tableau Dashboards

I was working on a project recently and wanted an image in the dashboard to switch based on user selection. I remembered a colleague doing this six years ago and for the life of me couldn’t figure out how until checking out this section of the Tableau community forum.

Mar 12
Mar 12 How to Make Dynamic Parameters in Tableau (New Feature)

Eric Parker
Tableau How-Tos, Tableau General Knowledge

In version Tableau Desktop 2020.1, Tableau addressed what has been the number one feature request for at least 6 years (as long as I’ve been using Tableau), dynamic parameters!

Mar 5
Mar 5 How to Set Permissions for Tableau Dashboards

Eric Parker
Tableau Dashboards, Tableau Server

Setting permissions appropriately in Tableau dashboards is key to maintaining data reporting integrity.

Feb 27
Feb 27 Accounting for Leap Years in Tableau Year to Date Calculations

Eric Parker
Tableau Calculations, Tableau How-Tos

If you’ve been reading the blog for a while, you know we’ve covered a number of date calculations including Year to Date vs. Previous Year to Date. 2020 brings a special challenge to calculations like this because it’s a leap year.

Feb 20
Feb 20 Tying Tableau Dashboards Together with Highlight Actions

Eric Parker
Tableau Dashboards

Highlight actions provide a powerful way to tie together related information in Tableau dashboards.

Feb 13
Feb 13 Connect the Actual Line to the Forecast Line in Tableau

Eric Parker
Tableau How-Tos

Tableau makes creating forecasts easy. It’s as simple as right-clicking in the background of a line graph and selecting “Show Forecast”. However, you’ll notice that after making that selection, the line for the historic data and the line for the forecasted data are disconnected.

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