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Dec 26
Dec 26 Comparing Values to a Monthly Average (Across Several Years)

Eric Parker
Tableau Calculations

I was recently asked by a student how they could compare several years of monthly values to the monthly average over that time span. They had something like this in mind…

Dec 19
Dec 19 Why Isn't My Top Filter Working in Tableau?

Eric Parker
Tableau General Knowledge

The first thing to understand about top filters in Tableau is where they fall in Tableau’s order of operations.

Dec 12
Dec 12 Efficient Filter Layout for Tableau Dashboards

Eric Parker
Tableau Dashboards

Figuring out what to do with filters in a Tableau dashboard can be a headache. You don’t want them to take up too much screen real estate but want them to look nice and be intuitive. Getting them all to be the same size can be a hassle. Here are some tricks I use to help everything come together.

Dec 5
Dec 5 Common Tableau Extract Errors

Eric Parker
Tableau General Knowledge

It is well documented that using a Tableau Data Extractsin lieu of a live connection to a data source usually provides a faster querying experience for end users. What is not well documented are some of the errors that can pop up when working with extracts.

Nov 21
Nov 21 How to Show Hidden Data in Tableau

Eric Parker
Tableau General Knowledge, Tableau How-Tos

Hiding data in a Tableau worksheet is usually as simple as right-clicking on a label and selecting hide.

Nov 15
Nov 15 Where does a Seattleite's income go?

Eric Parker
Thought Leadership

For a while, I’ve been speculating about what percent of an “average” person’s income goes toward taxes and government programs. I’ve also been wondering how people can make a great income and still have little money left for savings and retirement.

Nov 8
Nov 8 How to Create a Subtitle in Tableau that Highlights Which Fields Have Been Filtered

Eric Parker
Tableau Dashboards

One of the challenges of busy dashboards in Tableau is that it can be hard to tell if a filter has been applied.

Nov 1
Nov 1 Tableau Prep File Types

Eric Parker
Tableau Prep

Tableau Prep is a new desktop application (released spring, 2018) provided by Tableau to assist with complex data preparation.

Oct 25
Oct 25 How to Fill in Missing Trailing Values in a Data Set

Eric Parker
Data

One of the frustrating data formats that can make data unusable in Tableau is report-formatted spreadsheet that have headers with following blanks.

Oct 18
Oct 18 How to Handle Milliseconds in Tableau

Eric Parker
Tableau How-Tos

Working with milliseconds in Tableau is tricky. While Tableau does technically handle milliseconds, they aren’t as flexible as other date units like days and hours.

Oct 11
Oct 11 What's the difference between Sets and Groups in Tableau?

Eric Parker
Tableau General Knowledge

Sets and Groups are two distinct ways of creating predefined subsets of data in Tableau. While they seem similar at a high level, they have some significant differences.

Oct 4
Oct 4 How do you effectively present your Tableau dashboard? Part 2: Telling the story

Eric Parker
Tableau General Knowledge

Storytelling is about creating a shared experience. It means listening to where people are and what they are seeking. When we use this approach for our dashboard delivery, it creates a shared solution.

Sep 27
Sep 27 How do you effectively present your Tableau dashboard? Part 1: A rehearsal checklist

Eric Parker
Tableau General Knowledge

As Steve Jobs shared, “… [Design] is not just what it looks like and feels like. Design is how it works.”

Sep 20
Sep 20 Quarter Versus Previous Quarter (Quarter over Quarter) Calculation in Tableau

Eric Parker
Tableau How-Tos

Imagine you are working in Tableau and want to create a worksheet that compares performance this quarter to date to performance last quarter to date. Depending on the visuals you’d like to create, you’ll likely need to create a calculated field for this to work properly.

Sep 5
Sep 5 How to Use Your Personal Values (and Data) to Make Better Decisions

Kirk Olson
Thought Leadership

We all have to make decisions in life. Some of those decisions are small and have minimal impact (e.g. What should I wear to work?), but some of those decisions have significant, long-term impact.

Aug 30
Aug 30 Tableau Error: All fields must be aggregate or constant when using table calculation functions or fields from multiple data sources

Eric Parker
Tableau General Knowledge

Have you gotten the error “All fields must be aggregate or constant when using table calculation functions or fields from multiple data sources” in Tableau?

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