12 Tips for Amazing Tableau Bar Charts

Jul 9, 2025 Ollie Linley | onenumber.biz

Do you feel stuck when working with bar charts? How do you take them from the standard (although a bit boring) chart we all know to something powerful, engaging, and compelling?

Design,TableauHow-Tos

Semantic Layers The Universal Data Translator

Jul 9, 2025 Jack Hulbert | interworks.com

Bottom Line Up Front: Semantic layers are transforming how organizations manage and deliver data analytics by providing a unified, context-rich middleware that translates raw data into consistent, accessible insights across all business applicatio...

Data,AI,LLM,ML,SemanticLayers

What I took away fromt ITCS 2025 in Hamburg

Jul 8, 2025 Benjamin Wortmann | www.thedataschool.co.uk

On 4th of July, The Data School - including myself, was represented at the ITCS in Hamburg to inspire people about data. Before I share my experience and impressions, let me briefly introduce what the ITCS is all about.

Design,TableauHow-Tos

Von Besucherin zur Beraterin meine Eindrcke vom ITCS Hamburg 2025

Jul 8, 2025 Ahsen Polat | www.thedataschool.co.uk

Freitag am 04.07.2025 war ich gemeinsam mit einigen Kolleg:innen auf der ITCS Konferenz in Hamburg unterwegs – ein Event, das für Tech-Fans und Karriereinteressierte gleichermaßen spannend war.

Design,TableauHow-Tos

From Local Script to Serverless Running a TfL API Python Script on AWS L...

Jul 8, 2025 Harvey Joyce | www.thedataschool.co.uk

This blog covers the steps I took to create a Lambda function and setting up a trigger to get it to work automatically

Design,TableauHow-Tos

Ein Wasserfall-Diagramm mit Tableau erstellen Vom Ausgangswert zum Ergeb...

Jul 8, 2025 Gabriela Scherbinek | www.thedataschool.co.uk

Manchmal sagt eine einzelne Zahl einfach zu wenig. Natürlich ist es wichtig zu sehen, dass der Gewinn gesunken ist oder das Budget überschritten wurde. Aber noch wichtiger ist zu wissen, warum. Welche Faktoren verursachen die Veränderung?

Alteryx vs. Python I

Jul 8, 2025 Stefan Ladwig | www.thedataschool.co.uk

Let’s compare data prepping in Alteryx and Python.

Design,TableauHow-Tos

Tableau Technical Tips

Jul 7, 2025 Bethan Donovan | www.thedataschool.co.uk

Hi everyone! This article is intended to give you some quick tableau tips that improve performance, efficiency of work and perfect your formatting! All of the tips are included in this workbook that is available to download so you can test the tip...

Tableau Formatting Tips

Jul 7, 2025 Bethan Donovan | www.thedataschool.co.uk

Hi everyone! This article is intended to give you some quick tableau tips that improve performance, efficiency of work and perfect your formatting! All of the tips are included in this workbook that is available to download so you can test the tip...

Mit KI in eine neue ra des Handelns

Jul 7, 2025 Finn Kappus | www.thedataschool.co.uk

Anfang 2019 wurde GBT2 veröffentlicht und seitdem war Tom-Lukas Säger, Referent auf der ITCS Hamburg, von der Entwicklung der Künstlichen Intelligenz begeistert. Sechs Jahre später ist er bei KPMG für die Strategie für interne und Kundenlösungspro...

KI-Agenten im Unternehmenskontext

Jul 7, 2025 Takhmina Pirmahmadova | www.thedataschool.co.uk

Am 4. Juli hielt Wiebke Apitzsch, Chief Transformation Officer bei AI.IMPACT einen Vortrag auf der ITCS über der Auswirkung von KI-Agenten im Untenehmenskontext. Thematisiert wurden sowohl die Prozessautomatisierung als auch die Rolle des Menschen...

Inner Empowerment fr Frauen in Tech Ein Talk mit Verena Weber A quick gu...

Jul 7, 2025 Olivia Esau | www.thedataschool.co.uk

Verena hat viele Jahre in technischen Rollen in der KI-Branche gearbeitet, unter anderem bei Amazon, Deloitte und eBay. Heute ist sie selbständige Beraterin für Unternehmen, die KI strategisch nutzen wollen. Gleichzeitig hat sie die Initiative Wom...

Creating and using virtual environments 101

Jul 7, 2025 Jeffrey Brian Thompson | www.thedataschool.co.uk

In day one of Data Engineering cohort 3, one of the many things we learnt is setting up and using virtual environments, in the context of Visual Studio Code and Python on Windows.

Click-Swapping Drill-Down Maps in Tableau State City

Jul 7, 2025 Salome Grasland | www.thedataschool.co.uk

(Tableau 2023.1+ • Sample – Superstore)

Basic tools in Alteryx A comparison with Tableau Prep

Jul 7, 2025 Freya Marijatta | www.thedataschool.co.uk

Much like Tableau Prep, Alteryx is an ETL tool that functions primarily through drag-and-drop rather than from the code line, visualising the final workflow as interconnected steps. While Alteryx is overall a much more powerful tool, allowing for ...

Show Just One Trendline in That Spaghetti Mess

Jul 7, 2025 Kevin Flerlage (noreply@blogger.com) | www.flerlagetwins.com

     In a recent blog post, I discussed a scenario where I had weekly data that could not be aggregated in any way. In that blog post, I talked about how to calculate the slope of a line so that we could provide some information about ...

Tableau

Understanding the Cross-Tab and Transpose Tools in Alteryx

Jul 5, 2025 Hannah Norfolk | www.thedataschool.co.uk

When I was introduced to Alteryx, I found both the Cross-Tab and Transpose tools easy to mix up, and I found myself using trial-and-error to understand the configuration pane for both. Here I will break down what both reshaping tools do, and how t...

Data,AI,strategy

Lets Practice RegEx in Tableau with Generative AI

Jul 5, 2025 Donna Coles | donnacoles.home.blog

Yoshi set this week’s challenge which focused on 2 areas : the use of tools such as CHAT GPT to help us create Tableau RegEx functions (which are always tricksy), and the build of the chart itself. Creating the REGEX calculated fields I chose to u...

WorkoutWednesday,WOW2025,BaselineDate,CustomSort,datenormalise,GanttChart,INDEX,RegEx,REGEXP_EXTRACT,TableCalcs

How to Remove the ABC Column from a Table in Tableau

Jul 4, 2025 Ollie Ross Russell | www.thedataschool.co.uk

If you’ve built a table in Tableau and noticed the unwanted “ABC” column at the end, like in this table, you’re not alone. This column appears when Tableau expects a measure or value to display in the body of the table, but none is provided. While...

Data,AI,strategy

Configuring the Find Replace Tool in Alteryx

Jul 4, 2025 Louis Phipps | www.thedataschool.co.uk

Alteryx defines the Find & Replace tool as

Data,AI,strategy

Wie kannst du eine Shape Map in Power BI Desktop erstellen

Jul 3, 2025 Mariia Sapsai | www.thedataschool.co.uk

Die Shape-Map-Visualisierung ist nur in Power BI Desktop verfügbar. Da sie sich in der Vorschau befindet, muss sie vor der Verwendung aktiviert werden.

Data,AI,strategy

Wie kannst du eine KPI bauen

Jul 3, 2025 Mariia Sapsai | www.thedataschool.co.uk

Für diese KPI habe ich das Superstore-Dataset benutzt.

Data,AI,strategy

Triple Drill-Down Bar Chart in Power BI

Jul 3, 2025 Harry Caplin | www.thedataschool.co.uk

The Triple Drill-Down Bar Chart is a smart way to let your audience explore data across three hierarchical levels without cluttering the report or overwhelming them with filters.

Data,AI,strategy

Sheets as Tabs in Tableau Public

Jul 3, 2025 Birthe Claussen | www.thedataschool.co.uk

Sometimes you don’t want to publish whole dashboards in Tableau Public, but a workboot with several sheets displayed as tabs above.

Data,AI,strategy

RegEx II

Jul 3, 2025 Stefan Ladwig | www.thedataschool.co.uk

This is the second part of my RegEx blog-series, in which you’ll learn to write your own RegEx!

Data,AI,strategy

How to Offset Label Position in Tableau

Jul 3, 2025 Rosh Khan | www.thedataschool.co.uk

Handling Overlapping Labels in Tableau: A Simple Staggered Approach

Data,AI,strategy

Full Moons Easter Sundays

Jul 3, 2025 Joseph Darton | www.thedataschool.co.uk

2023 Week 16 of Preppin’ Data Challenges looked at the variation of the day in which Easter Sunday falls on. Turns out this is based on the full moon. As defined by the Royal Museums Greenwich, Easter is the first Sunday after the full moon that o...

Data,AI,strategy

Combining Bar and Pie Charts in Tableau A Cleaner Way to Show Totals and...

Jul 3, 2025 Rosh Khan | www.thedataschool.co.uk

When you’re trying to show both absolute values and percentages of total, using separate bar and pie charts often creates more confusion than clarity.

Data,AI,strategy

Aliasing Null Dates in Tableau The Easy Hack

Jul 3, 2025 Rosh Khan | www.thedataschool.co.uk

Did you know you can’t alias dates directly in Tableau like you can with text fields?

Data,AI,strategy

Real-Time Traffic Data with AWS Kinesis and Snowflake

Jul 3, 2025 Roger Garcia | interworks.com

In today’s fast-paced urban environments, efficient traffic management is crucial for reducing congestion, improving safety and optimising public transport. Real-time data streaming enables city planners and transport companies to make instant, da...

Data,AWS,Kinesis,Snowflake

InterWorks Blog Roundup June 2025

Jul 3, 2025 Mark Cordeiro | interworks.com

Ladies and gentlemen, readers of all ages, I come bearing news: Now that June has passed, we are now halfway through the 2020’s. Also, that means that we are now closer to the year 2050 than we are the year 2000. Now that I have…The post InterWork...

Data,AI,BlogRoundup,Events,Sigma

What are non-equi joins and how to use them in Tableau Prep

Jul 2, 2025 Elizabeth Archer | www.thedataschool.co.uk

There are many instances in which you will need to join tables together and most of the time you this will be when one or more fields equal each other. However, there are some use cases for conducting non-equi joins. This is where we join data on ...

Data,AI,strategy

Understanding Data Control in Tableau Filters Sets Bins and Groups Expla...

Jul 2, 2025 Gabriela Scherbinek | www.thedataschool.co.uk

In Tableau, filters, sets, bins, and groups are used to control, segment, and analyze data. But they have different purposes and functions. Here is a simple explanation of the differences and when to use each.

Data,AI,strategy

Mastering the Pivot How to Reshape Your Data in Tableau Prep Like a Pro ...

Jul 2, 2025 Zainul Abedin Natha | www.thedataschool.co.uk

Have you ever opened a dataset and realised it’s just not in the shape you need for your analysis? Maybe you have months as column headers, or survey questions stacked in rows. In Tableau Prep, one of the most powerful and beginner-friendly ways t...

Data,AI,strategy

MakeoverMonday Challenge

Jul 2, 2025 Svetlana Brazukevich | www.thedataschool.co.uk

After a brief break from the Makeover Monday Challenges, I’m thrilled to jump back in! Let’s take a look at what I’ve done 🤗

Data,AI,strategy

Dynamic Zone Visibility How to Create Interactive Chart Switching in Ta...

Jul 2, 2025 Stella-Sophie Bukowski | www.thedataschool.co.uk

What is Dynamic Zone Visibility?

Data,AI,strategy

Down But Not Out Fill Down in Tableau Prep

Jul 2, 2025 Younes Ghouini | www.thedataschool.co.uk

If you’ve ever worked with messy Excel files that have missing values, Fill Down in Tableau Prep can be a real time-saver.

Data,AI,strategy

AI Strategy Isnt Optional Anymore Heres How Were Making It Work at Inte...

Jul 2, 2025 Justus Niemzok | interworks.com

Over the past 12 months, I’ve sat in more exec meetings, virtual strategy sessions and innovation labs than I can count. The message is crystal clear: AI is no longer a futuristic ambition — it’s a strategic imperative. Yet many organizations acro...

Data,AI,strategy

Dashboards everywhere 2

Jul 1, 2025 Svetlana Brazukevich | www.thedataschool.co.uk

Cardio Machine Screen

Data,AI,strategy

DAX Directions

Jul 1, 2025 Ted Evans | www.thedataschool.co.uk

This past week in the Data School, we’ve been revisiting writing DAX in PowerBI, which has been fun to get stuck back in to query languages to keep my knowledge fresh and to continue the learning process.

Data,AI,strategy

Time Series Forecasting in Alteryx

Jun 29, 2025 Andrew Buchanan | www.thedataschool.co.uk

What are the Time Series Tools?

How to Create a Hexbin Map in Tableau

Jun 29, 2025 Louis Phipps | www.thedataschool.co.uk

When to use a hexbin map?

Week 4 Project - Insurance Claims Report in Power BI

Jun 27, 2025 Zainul Abedin Natha | www.thedataschool.co.uk

Overview

LayoutContainers,TableauDashboards,TableauGeneralKnowledge

Week 4 Friday Project PowerBI

Jun 27, 2025 Elizabeth Archer | www.thedataschool.co.uk

It is the end of week 4 at The Data School, and with Friday comes another project! For context, at the end of each week we are given a brief at 9:00 which we then work on until we present it after lunch at 13:00! Below is my final outcome as well ...

LayoutContainers,TableauDashboards,TableauGeneralKnowledge

Using Bookmarks in PowerBI

Jun 27, 2025 Elizabeth Archer | www.thedataschool.co.uk

It is week 4 of The Data School and we are learning how to use PowerBI. When creating visualisations in a page (known as a dashboard in Tableau), we might want to preset/save a view for the user to switch to easily. We do this by using bookmarks!

LayoutContainers,TableauDashboards,TableauGeneralKnowledge