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# Data

## Tableau Release Notes Made Easy – The Future Is Here

This post is also available in: German I am going to start off this blog post with a simple assumption: if you have used Tableau for a while, chances are you’ve read through the release notes on Tableau’s website. You were either checking if an...

## Using the Tableau Data Interpreter

I’ve been concentrating for weeks on updating my book to include new Tableau 9.0 features. There are a couple of new features that will be featured in this video:  The Data Intpreter Ad hoc calculations (with autofill) The video will also show you how to incorporate data blending...

## Tableau Essentials: Calculated Fields – Aggregate Functions

In this article on Tableau Functions, we’ll examine Aggregate Functions. Aggregate Functions are a type of function where values of multiple rows are grouped together as the input to form a single value of more significant meaning, such as a set or list. To access these...

## Hot Topics: Best Practices for Data Connections

Working on the InterWorks Expert Hotline I come into contact with many clients every day assisting them with all aspects of their Tableau deployment from data preparation to best practice dashboard design all the way through to complex table calculations and Tableau Server tuning. This new series...

## 10 Questions for Tableau Zen Master Kelly Martin

I’ve admired Kelly’s Tableau Public work and her blog for several years. Late last year, I was in Vancouver giving a talk. That gave me the opportunity to have dinner with Kelly along with the George Gorczynski, the Tableau Picasso. We talked about data viz for several hours over dinner and had...

## Tableau Essentials: Calculated Fields – Type Conversion

In our next Tableau Essentials article on functions, we’ll examine Type Conversion Functions. This group of functions allow you to take the result of any expression and convert it to another specific data type. These are important for preparing some fields for calculation or in...

## The Fight of the Century – Manny Pacquiao vs Floyd Mayweather

Manny Pacquiao versus Floyd Mayweather T-Minus 2 Days...

## How to Automate a Tableau Data Source Refresh with Alteryx

So, you’ve finally worked out your ETL process using Alteryx and have it exporting a shiny new TDE file. Now what? Using the Run Command tool in Alteryx Designer you can automate the publishing of that TDE to Tableau Server, and here’s how you do...

## I ♥ When Tableau Does That – Calculated Fields in Tableau 9.0 Edition

When last we left our hero, she was complaining mightily about how when you have a calculated field in Tableau, and that field is referenced by another calculated field, things go seriously awry when you replace data sources. Luckily, there is a solution that works...

## 9 Questions for Data Viz Legend Stephen Few + 1 for You

My career path was illuminated by Stephen Few. Eight years ago, I was looking for a solution to a problem. Stephen’s advice led me to Tableau. His books have been foundational in my understanding of effective communication through data visualization. Edward Tufte’s books are entertaining and informative....

## How to Automate a Tableau Data Source Refresh with DMExpress

So, you’ve finally worked out your ETL process using Syncsort DMExpress and have it exporting a shiny new TDE file. Now what? Using the Custom Task in DMExpress, you can automate the publishing of that TDE to Tableau Server, and here’s how you do it: Step...

## What’s new in Tableau Server 9.0 for the Administrator

Today I'm going to give you a quick run through of the updates and changes you will see in Tableau Server 9.0 from an administrator’s perspective, and what has changed since Tableau Server 8.3 Visual Differences Firstly and most obviously are the visual changes. Tableau has completely...

## Tableau Essentials: Calculated Fields – String Functions

We are up to part four of our functions articles. In this article, we’ll cover String Functions. Check out the previous ones for Logical Functions, Number Functions and Date Functions. Those articles will also cover how to get to the Calculated Field window where you...

## Predictive Analytics Innovation Summit 2015: State of Data Science

In February, I had the opportunity to attend the Innovation Enterprise Predictive Analytics Summit in San Diego, Calif. The conference lasted two days and featured data scientists from some very recognizable companies like Facebook, StubHub, BuzzFeed and eBay. The talks ranged from how to detect...

## Tableau Community Membership Analysis

My first post on the Tableau Community highlighted the real people that make it work in the form of a “Thank You” viz. It told the story of the most active 872 members using their avatars to create a mosaic representing the Tableau logo. But,...

## Workaround for PrimitiveExp:: MakePrimitive Caused by IFNULL and a Zero Length String in Tableau

Recently, a colleague ran into an issue with the workbook that is exported from our Audit tool in our Workbook Tools product: The error is Tableau Data Engine Error: 4: PrimitiveExp::MakePrimitive: map_lower_user2_val. Findings When I investigated, I discovered that it was caused by a bug in Tableau 9.0....

## 10 Questions for Iron Viz Champion Ryan Sleeper

Ryan Sleeper is a consultant based in Kansas City with a keen interest in professional sports, an infectiously positive attitude and a friendly nature. I first noticed Ryan because of his fine sports-related data visualizations and his winning performance in the 2013 Iron Viz competition. When I did...

## 5 Things I Learned at OpenVis Conference 2015

A little over a week ago, a few of my colleagues and I attended the OpenVis Conference in Boston and had a blast learning about new open source visualization technologies and hearing ideas for creating on the web. The lineup was full of amazing speakers,...

## Power Tools for Tableau Webinar

Tableau purchased Power Tools in 2019. Contact Us for more information. We recently held a webinar on how InterWorks could help em'power' your Tableau Experience, using the InterWorks  Power Tools for Tableau. If you wanted a recap or fancy finding out exactly what could possibly make Tableau even...

## Tableau Essentials: Calculated Fields – Date Functions

Today, we’ll continue our exploration of the functions you can use when you create a calculated field. We covered Logical Functions and Number Functions in the two previous articles on this topic. Now, we’ll cover Date Functions. To bring up the Calculated Field window, right-click anywhere...

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