How to handle new input files in Tableau Prep
How to handle new input files in Tableau Prep Let’s say you’ve got a situation where you get new input
How to remove duplicate records in Tableau Prep
One of the questions that comes up quite often is “How do I remove duplicate records in Tableau Prep?” or
Unpivot in Tableau Prep (Rows to Columns)
You know you have a great piece of software when you can use its paradigm to come up with workarounds
Cross Database Union & the other MAX/MIN functions in Tableau
Cross database joins have been available in Tableau for a while now – and I love the ability to join
A Sample Flow in Tableau Prep (Project Maestro)
I recently had the privilege of presenting a preview of Tableau’s Project Maestro (now known as Tableau Prep) to the
Latest Snapshot in Tableau and Tableau Prep (Maestro)
Often, you’ll have data that looks something like this: Every day, there are new records for projects that give
Hex Map Spatial File
I love hex maps! Especially for the United States, you can keep states in a basic geographic orientation, but eliminate
Have a Maestro Christmas and Tableau New Year!
Tableau’s new data prep tool, Maestro, is now in public beta, and I’m loving it! While the first beta doesn’t
Hot Swapping Geographic Levels of Detail in a Tableau Viz
I used to think you couldn’t hot-swap geographic levels of detail in a Tableau visualization. And, before Tableau 10,
Reshaping your data right in Tableau: Materialized Path Hierarchies
I recently came across this post by Simona Loffredo in which she describes a certain type of data structure, why
Joshua Milligan is a five-time Tableau Zen Master. His passion is training, mentoring, and helping people gain insights and make decisions based on their data through data visualization using Tableau.
He is a principal consultant at Teknion Data Solutions, where he has served clients in numerous industries since 2004.
Joshua served as technical reviewer on several Tableau titles and is the author of the book Learning Tableau.
