NULL errors have cropped up twice in recent development projects utilizing Tableau’s JavaScript API. In one instance, getWorkbook() returned this error: SCRIPT5007: Unable to get value of the property 'get__workbook': object is null or undefinedIn another instance, getActiveSheet() returned this error: Uncaught Error: Internal error. Please contact...
Today we continue exploring Tableau’s interface. We will focus on the functionality and features of the Sidebar, commonly known as the Data Window among Tableau users. The Sidebar The Sidebar is located on the left-hand side of the Tableau worksheet (depicted in Figure 1 below), just beneath...
I often see Tableau developers fall into the "Field of Dreams" fallacy. With the perfect formula or the bar chart just right, they’ll have the perfect dashboard that everyone will want to use. We’re tempted to think, “build it and they will come.” That’s not...
Last week, I did a little ranting about data cubes and explained why I like Vertica. This week, I’m going to discuss the near future of business information systems and share some thoughts that you should consider before investing your time and capital. Data Sources Will...
The Toolbar Below is a screenshot of the Tableau worksheet interface connected to a generic Excel datasource (Orders). We will focus exclusively on the row of buttons just below the menu drop-downs at the top of the page - the Toolbar. Tableau often has multiple ways of...
Since I did a little bashing of cube technology the other day, I suppose that I should explain why I also said that I prefer HP Vertica. Vertica Scales Using Tableau with Vertica is like peanut butter and jelly. They just go together. Why? When you are...
InterWorks and Metric Insights recently put on an educational webinar about utilizing “Push Intelligence” for Tableau. The webinar was so well received that we decided to share for those of you who missed it. // >Steve Mock of Metric Insights and InterWorks’ own, Charlie Sanders shared...
A few weeks ago, I finished a speech at Netflix and got into a long discussion with a business information manager from a major technology company. This fellow asked me the best way to get value from Tableau with his data cubes. I told him...
Alteryx 9.0 was released back in April of this year and with it came a whole host of new features and tools. It’s party time in the datasource. There is a range of improvements from top to bottom, including the integration of Revolution Analytics Revo...
I have a love / hate relationship with the Attribute function in Tableau. I love it for what it does, I hate it for those times that someone asks me to describe what it does. It took me a long time to wrap my head...
Would you like to use more than one view on a dashboard to filter data on a separate worksheet? There’s a solution for that which also prevents Tableau from automatically switching displays when selecting data on a dashboard view. Once you have created the worksheets you...
Metric Insights is booming. They are growing year by year at a blistering rate of 300% in customer acquisition with some of the biggest names in business. These names include Barnes & Noble, United and more. So, what does Metric Insights offer that Tableau Software does...
In my recent blog post, “Using Comments in Tableau,” I described how to create a comment that would display as a tooltip when you hover over a dimension or measure. There is actually another kind of comment that I think is equally useful - the...
Frequently in my training classes, a student will ask: “I made a view that shows my percent of total sales, but when I apply a filter, the values change. Why is this happening?" Today we’re going to examine what’s happening here and three ways to keep those...
Tableau’s “out of the box geocoding” functionality creates a wealth of opportunities for users to create beautiful maps almost instantly. This is continually one of the most “in-demand” sections for students who have attended my Tableau trainings. There are few other software applications which are...
You might be familiar with aggregate functions in Microsoft SQL Server. These functions give you a way to aggregate your data, for example: a sum of a numeric value grouped by one or more fields in your result set. A common business requirement might be...
Tableau purchased Power Tools in 2019. Contact Us for more information. It’s been a busy few days for the Power Tools for Tableau team and the Tableau community as a whole. Our developers have worked their tails off to finish the first of many incredible Power...
I can’t help but analyze every part of my life. At this point, it’s deeply ingrained into my psyche. I even jumped on the latest fitness tracking craze to measure my activity level. For those that want to know, I use a Jawbone Up. This is largely...
There’s something you can do to make your data easier to work with in Tableau, and I bet you’re not doing it. I love sharing this tip when I teach Tableau. Right-click on any dimension or measure in the Data pane and choose Default Properties...
This question comes up in training almost every time: “My data has leading zeros. When I connect to my datasource in Tableau, it strips them off. How can I get them back?” How, indeed. This solution actually came from a training attendee, which pretty much adds...
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