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Use Promises with Tableau JavaScript

Tableau JS API provides multitude of options for interacting, fetching and reusing data from your viz. Mostly, for performance reasons, part of the calls are made in async manner. Asynchronous part of the Tableau JS API is delivered using Promises… Continue Reading →

Tableau Bar Chart with indicators

On the wave of  data vizualization hype, more and more vizs emerge proving that using Tableau in non-standard may produce stunning results. Thanks to that, we can deliver data to the limited dashboard space in an effective and most business valuable… Continue Reading →

Free Tableau – with offline extract refresh

As Tableau licensing usually is out of reach for smaller companies, there is a way to have free Tableau implementation with the little trick I describe in this post.

CSV Download button with Tableau JS API

We all love Tableau great visualizations but sometimes we need to fetch raw data to print, open in Excel or for any other reason. While viewing Dashboard in Tableau Server, sometimes it’s not clear how to download csv file. There… Continue Reading →

Default date slider range with Tableau JS API

Date slider in Tableau provides an easy way to refine date period displayed in Tableau viz. However, when speaking of large volumes of data, for the sake of performance, it might be necessary to display default date slider range for… Continue Reading →

Talend Data Preparation – cursed child or visionary?

Recently Talend introduced new family member – Talend Data Preparation Desktop. Let’s take a look what it has to offer! Mac Install is pretty straightforward – download, run and move application to application folder. After launching the application, first difference… Continue Reading →

Best Games and Creative Custom Shape usage

Recently I’ve found an article on Wikipedia with ranking of best games since 1998. One might not agree with few choices but definitely whole thing made me drive down the memory lane.  Let’s face it, big part of us play… Continue Reading →

Conditional Formatting in Tableau

One of the biggest challenges Tableau newcomers face is lack of standard features available in Excel. Conditional formatting is one to name such. Recently good news surfaced that this feature is on shortlist to be added to 10.2 version but… Continue Reading →

Plotting Graphs on the Map

In terms of mapping, by design, Tableau allows to display data only as a filled map or single points placed in the middle of analyzed area. However, using few tricks, software limitations can be slightly shifted in this case as… Continue Reading →

Table calculations filtering and sorting

Update Dec 14th: It looks like the INDEX() solution provided previously was not working after Datasource Refresh as Tableau defaulted to the Manual Sort. Tutorial updated with new approach that addresses this problem.   Have you ever tried filtering or… Continue Reading →

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