Yoshitaka Arakawa

#WOW2025 | Week 34 | Can you breakdown YoY profit into its drivers?

Tableau, Workout Wednesday / By

Introduction I’ve been playing around with Tableau MCP and something called “Vibe Analytics” lately (look them up if you’re curious!).This week’s challenge was inspired by working with a generative AI to analyze the Sample Superstore dataset, exploring ways to break down profit into its key drivers and compare year-over-year performance. Have fun building this waterfall …

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#WOW2025 | Week 27 | Let’s Practice Regex in Tableau with Generative AI

Tableau, Workout Wednesday / By

Introduction How are you using generative AI these days? It’s definitely one of the hottest topics in the Data/BI world right now.I invite you to try using generative AI as part of the challenge. Regular expressions (Regex) are super powerful when working with text data. But let’s be honest – Regex can be difficult and …

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#WOW2025 | Week 20 | Let’s Practice Multi-fact Relationship Data Model

Tableau, Workout Wednesday / By

Introduction In this challenge, we will explore the Multi-Fact Relationship Data Model feature introduced in the 2024.2 version. This feature enables us to seamlessly connect and analyze multiple fact tables within a single data source. It’s exciting as a Tableau datasource can behave like a small database! Here are some materials for those who are …

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#WOW2025 | Week 13 | Data Storytelling with Dynamic Zone Visibility

Tableau, Workout Wednesday / By

Introduction 【EN】Welcome to the second week of the Community Month! I bring a challenge inspired by Chiaki (@ishiaki_tab)! Chiaki has been a Tableau Visionaries since 2024 and a key leader in Japan TUG.Chiaki was also the winner of the Viz Games at the Salesforce World Tour Tokyo 2024, and this week’s challenge is inspired by …

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#WOW2025 | Week 6 | Can You Adjust Dashboard Design by Filter?

Tableau, Workout Wednesday / By

Introduction I am truly honored to continue serving as your coach and supporting your learning this year.My first challenge in 2025 is about an exploratory dashboard. Have you ever created a dashboard that allows users to explore data step by step, from an overview to detailed information?In many cases, this can be achieved using filters …

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#WOW2024 | Week 45 | Can You Switch A Dashboard Theme?

Tableau, Workout Wednesday / By

Introduction This month we hold Global Community Weeks! We’ll feature guest coaches from around the world in the coming weeks. I’m excited and honored to introduce Tomoki Goda (@padawan_viz) from Japan! Tomoki is relatively new to Tableau but is strongly passionate about Tableau community activities. He is one of the co-hosts of a popular Japan …

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#WOW2024 | Week 34 | Can You Control the Displayed Data Based On Sub-Category Assignment?

Tableau, Workout Wednesday / By

Introduction Have you ever received a request to make the data displayed on a dashboard different depending on who is viewing it? For example, let’s think about a scenario where the sales for each sub-category are displayed, but the sub-categories shown vary depending on the viewer. It’s straightforward if one sub-category is to be displayed for …

#WOW2024 | Week 34 | Can You Control the Displayed Data Based On Sub-Category Assignment? Read More

#WOW2024 | Week 22 | Can You Make a Page Navigator?

Tableau, Workout Wednesday / By

Introduction Have you ever been frustrated with unsynchronized scrollbars when placing multiple sheets on a Tableau dashboard? I own a blog about Tableau and can tell you that one of the most frequently viewed posts is about this topic.Ken’s blog post offers several solutions to this issue. A “simple” solution is to combine everything into …

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#WOW2024 | Week 10 | Can you visualize when it gets busy?

Tableau, Workout Wednesday / By

Introduction Hello there! I’m Yoshi and I joined the WOW Tableau coach team this year.I’ve been participating in the WOW challenges since 2020, so I am really honored to be one of the coaches. Here’s my first challenge for you: let’s practice datetime calculations and data densifications. This week, we deal with dummy data regarding …

#WOW2024 | Week 10 | Can you visualize when it gets busy? Read More

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