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Table of Contents

• ↓ VizWiz
• ↓ July 14, 2026
• ↓ The Frequency Matrix: A Tableau Technique You're Missing
• ↓ May 25, 2026
• ↓ The Big Beautiful Bar Chart: Build It in Tableau with Map Layers
• ↓ May 12, 2026
• ↓ Top Alternatives to vizwiz.com

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"What if the data you already have could reveal something you've never seen before? It can, and it starts with a technique most Tableau analysts have never tried: the frequency matrix. In this full keynote from Appalachian State University's Analytics Day, Andy Kriebel (Tableau Hall of Fame Visionary and founder of Next Level Tableau) builds a frequency matrix from scratch, then shows the same underlying data six different ways: Sankey diagrams, tree diagrams, network diagrams, geographic flow maps, box plots, and slope graphs. You'll walk away with a technique you can take straight back to your own data, whether you're working with enrollment numbers, customer flow, product usage, or anything else where you need to compare two categories at once. What's covered: - What a frequency matrix is and how to read one - Building a frequency matrix step by step in Tableau - Using calculated fields to highlight the most common and highest-performing combinations - Visualizing the same relationship with Sankey diagrams, tree diagrams, and network diagrams - Mapping geographic flow with Make Point and Make Line - Guiding principles for building dashboards stakeholders actually use - Live Q&A on accessibility, color palettes, and chart governance Want more? Grab my free 30-Day Tableau Skill-Building Accelerator: nextleveltableau.com/accelerator Download the workbook and data here: https://nlt.kit.com/frequency-matrix"

"Stacked bars are fine. But once you need to compare proportions across groups AND show the actual totals, they start to break down. This is the chart that replaced it."

"In this tutorial, you'll build a Marimekko alternative in Tableau that shows the proportional breakdown of each group by light conditions — with the total count for each group displayed directly on the chart. It's a technique straight from a Next Level Tableau class, and once you build it, you won't go back."

"If you're comfortable with table calculations and want a more powerful alternative to the stacked bar, this one belongs in your toolkit."

Key Topics & Focus Areas for vizwiz.com:

VizWiz

July 14, 2026

The Frequency Matrix: A Tableau Technique You're Missing

May 25, 2026

The Big Beautiful Bar Chart: Build It in Tableau with Map Layers

May 12, 2026