SQL-Python-Tableau Tips 1 Group By and Shift Rows

Mar 31, 2025 Le Luu | www.thedataschool.co.uk

Python, SQL, and R are the top programming languages for data scientists and analysts. These languages help clean and transform data. Depending on each case and the requirements, the user can use SQL or Python to solve problems. The syntax between...

Data,Dashboard

Conquering Dashboard Fatigue

Mar 31, 2025 Robby White | interworks.com

So many reports. So many numbers. So many bars. So many things to make sense of. Has this ever been your mindset after looking at a report or dashboard that was recently shared with you? You are not alone. The concept of mental and physical…The po...

Data,Dashboard

Letzter Tag der Dashboard Week Prsentation des Personal Projects

Mar 28, 2025 Olivia Esau | www.thedataschool.co.uk

Am letzten Tag der Dashboard Week stand unser Personal Project im Mittelpunkt. Zwei halbe Tage konnten wir uns ausschließlich diesem widmen - die Themen dafür hatten wir bereits einige Wochen zuvor gewählt und schon im Vorfeld etwas Zeit zur Konze...

WorkoutWednesday,WOW2025,Annotations,comet,DynamicZoneVisibility,LineChart,Parameters,Sankey,VizExtension,Week13

Dashboard Week Final Day Tracking the AI Arms Race

Mar 28, 2025 Marcel Wiechmann | www.thedataschool.co.uk

The time has come - the final day of Dashboard Week and the culmination of our entire Data School training! For this grand finale, I decided to dive into the fascinating world of Large Language Models and visualise the intense competition between ...

WorkoutWednesday,WOW2025,Annotations,comet,DynamicZoneVisibility,LineChart,Parameters,Sankey,VizExtension,Week13

Dashboard Week Final Day

Mar 28, 2025 Luiza-Ariana Cocora | www.thedataschool.co.uk

For our final dashboard week challenge, we were given free reign to create an infographic style dashboard using an IMDb data set. We could choose one of the following options:

WorkoutWednesday,WOW2025,Annotations,comet,DynamicZoneVisibility,LineChart,Parameters,Sankey,VizExtension,Week13

Dashboard Week Day 45 A Tale of Data TV and a Polish Folk Art Makeover

Mar 28, 2025 Sandy Wlodarczyk | www.thedataschool.co.uk

Ah, the grand finale of Dashboard Week. A two-day (ish) escapade into the world of IMDB data—TV shows, ratings, genres, awards, the lot. The task? To create a mostly static infographic-style dashboard. After a week of crafting hyper-interactive, a...

WorkoutWednesday,WOW2025,Annotations,comet,DynamicZoneVisibility,LineChart,Parameters,Sankey,VizExtension,Week13

Data Storytelling with Dynamic Zone Visibility

Mar 28, 2025 Donna Coles | donnacoles.home.blog

This week’s community challenge was set by Chiaki to showcase how to use dynamic zone visibility to tell a story. We’ll step through each chart and then how it’s all put together. Building the line chart Create a new field Profit Ratio SUM(Profit)...

WorkoutWednesday,WOW2025,Annotations,comet,DynamicZoneVisibility,LineChart,Parameters,Sankey,VizExtension,Week13

DS48 Dashboard Week Day 45

Mar 27, 2025 Ruth Amarteifio | www.thedataschool.co.uk

It’s nearly the weekend, so let’s unwind and get the telly on!

WorkoutWednesday,WOW2025,Annotations,comet,DynamicZoneVisibility,LineChart,Parameters,Sankey,VizExtension,Week13

Dashboard Week Tag 3 What does this apple mean

Mar 26, 2025 Thomas Hoefer | www.thedataschool.co.uk

Was ist Dashboard Week?Eine Woche voller Dashboardbauen! 4 Tasks in 5 Tagen mit 6 Stunden pro Aufgabe: 1 Ziel; ein fertiges Dashboard

Design,TableauDashboards

Dashboard Week Product Performance Report PowerBI

Mar 26, 2025 Lina Duong | www.thedataschool.co.uk

Today’s task was to create a report in PowerBI. And unlike Tableau (which I’ve almost been using for a year!) PowerBI I am not as experienced at.

Design,TableauDashboards

Dashboard Week No. 3 Genre Shift Wie sich unser Filmgeschmack verndert ...

Mar 26, 2025 Ahsen Polat | www.thedataschool.co.uk

Im Rahmen der Dashboard Woche bestand die Aufgabe darin, aus dem “Data + Movies”-Datensatz von Tableau eine Visualisierung mit Story-Fokus zu entwickeln.Zur Auswahl standen u. a. Analysen zu Schauspieler:innen, Movies, Genres oder Auszeichnungen.

Design,TableauDashboards

Dashboard Week Day 3 PowerBI

Mar 26, 2025 Luiza-Ariana Cocora | www.thedataschool.co.uk

For today’s challenge DS48 and I were tasked with creating a PowerBI Report using mock company sales data. Essentially we had to answer a business question through a PowerBI Report. I ended up looking at Global Performance and Areas for Growth. Th...

Design,TableauDashboards

Dashboard Week Day 3 Arte Doku Explorer

Mar 26, 2025 Marcel Wiechmann | www.thedataschool.co.uk

Neuer Tag, neues Dashboard in der Dashboard Week für uns Data School Consultants in der DSDE9 Kohorte. Heute lautet die Aufgabe, eine Analyse aus dem IMDb Datensatz der Tableau Movie Challenge zu erstellen. Nach kurzer Datenexploration entdeckte i...

Design,TableauDashboards

DS48 Dashboard Week Day 3

Mar 26, 2025 Ruth Amarteifio | www.thedataschool.co.uk

Now that you are in the swing of building, we are going to focus our attention on answering some business questions in Power BI.

Design,TableauDashboards

Al Pacino im Fokus Dashboard Week - Day 3

Mar 26, 2025 Olivia Esau | www.thedataschool.co.uk

Am dritten Tag der Dashboard Week haben wir die Aufgabe, einen Klassiker-Datensatz, und zwar die Data + Movies Challenge von Tableau, zu visualisieren. Der Datensatz von IMDb hatte von Movies, Cast & Crew, Personal Roles bis zu Award Nominatio...

Design,TableauDashboards

How to Build a Sales Funnel in Tableau

Mar 26, 2025 Eric Parker | onenumber.biz

Want to learn how to build a sales funnel in Tableau? You’ve come to the right place! Most funnels are hard to interpret because they deal with size disproportion issues. The classic upside-down triangle visual likely isn’t the best way for you to...

Design,TableauDashboards

Volle Kraft voraus - Die Power BI Challenge

Mar 25, 2025 Johann Shin | www.thedataschool.co.uk

Für die zweite Challenge der Dashboard Week hatten wir zur Aufgabe bekommen ein Dashboard auf Grundlage eines Superstore Datensatzes zu erstellen. Der Clue an dieser Aufgabe war nur, dass wir dieses mal Power BI verwenden mussten, was ich persönli...

Design,TableauDashboards

Superstore Power BI Edition

Mar 25, 2025 Thomas Hoefer | www.thedataschool.co.uk

What is Dashboard week?4 Tasks, 5 days, 6 hours per Task … and only one goal: have a finished dashboard ready

Design,TableauDashboards

Day 2 Dashboard Week Power BI Superstore

Mar 25, 2025 Olivia Esau | www.thedataschool.co.uk

On the second day of Dashboard Week, our task was to create a dashboard in Power BI using the Superstore dataset. The dataset came pre-modelled as a star schema, so before jumping into visuals, I had to double-check the relationships to make sure ...

Design,TableauDashboards

Dashboard Week - Tag 2

Mar 25, 2025 Melvin Speckamp | www.thedataschool.co.uk

Am zweiten Tag unserer Dashboard Week sollten wir ein Dashboard in Power BI herstellen. Folgende Akzeptanzkriterien wurden vorgegeben:

Design,TableauDashboards

Dashboard-Week No. 2 Red Flags Gaps A Business KPI Superstore Dashboard

Mar 25, 2025 Ahsen Polat | www.thedataschool.co.uk

The challenge of Day 2 of Dashboard Week was to create a Business KPI Dashboard using the well-known Superstore dataset in Power BI.But simply visualizing standard KPIs like Sales, Profit, Quantity, and Discount wasn’t the focus. While Profit was ...

Design,TableauDashboards

Dashboard Week Interactive CV Progress Log

Mar 25, 2025 Lina Duong | www.thedataschool.co.uk

For me, CVs are always challenging to write. With the changing scope of how CVs are processed in the first place, doing something more creative is generally advised against.

Design,TableauDashboards

Dashboard Week Day 2 Customer Behaviour Analysis in Power BI

Mar 25, 2025 Marcel Wiechmann | www.thedataschool.co.uk

Following yesterday’s Day 1 of the Dashboard Week at The Data School, Day 2 tasked us with creating a business KPI dashboard using the Tableau Superstore dataset, but this time in Power BI.

Design,TableauDashboards

Dashboard Week Day 2 CVs

Mar 25, 2025 Luiza-Ariana Cocora | www.thedataschool.co.uk

Today DS 48 and I got to designing our CVs in Tableau - it was a really fun and reflective progress; looking back over the 4 months and our previous careers and seeing how far we’ve come.

Design,TableauDashboards

Dashboard Week Day 2 CV

Mar 25, 2025 Sandy Wlodarczyk | www.thedataschool.co.uk

I couldn’t help but wonder—was my digital CV a reflection of me, or just a polished, pixel-perfect version of who I wanted to be?

Design,TableauDashboards

Dashboard Week Can You Click Without a Click

Mar 25, 2025 Sandy Wlodarczyk | www.thedataschool.co.uk

As I sat at my desk, sipping an oat latte and contemplating the world of dashboards, I couldn’t help but wonder—if a dashboard falls in a forest and no one can tab to it, does it even exist?

Design,TableauDashboards

DS48 Dashboard Week Day 2

Mar 25, 2025 Ruth Amarteifio | www.thedataschool.co.uk

As we progress through our final week in training, let’s start thinking about compiling all the skills we have gained over the last 4 months and beyond. We’d like to see you create a digital CV on Tableau!

Design,TableauDashboards

Dashboard Week Designing for Accessibility - Screen Reader

Mar 24, 2025 Lina Duong | www.thedataschool.co.uk

When we think about accessibility in Tableau, a lot of the time we think of colour blindness. But there are so many other groups of people we don’t realise that we’re excluding by the way we design dashboards.

Design,TableauDashboards

Kirk Munroe New Tableau 2025.1 - Table-Level Filters

Mar 24, 2025 Ken Flerlage (noreply@blogger.com) | www.flerlagetwins.com

Kevin and I arepleased to welcome back a regular contributor, Kirk Munroet. Kirk lives inHalifax, Nova Scotia, Canada and is a business analytics and performancemanagement expert. He is currently one of the owners and principal consultantsat Paint...

GuestPost,How-To,SeriesDataModeling,SQL,Tableau

Can you show the top X customers in EACH of the last 3 years and their c...

Mar 23, 2025 Donna Coles | donnacoles.home.blog

For Community Month at #WOW2025 towers, Lorna presented a challenge one of her colleagues had brought to her which they solved together. The need is to identify the top X customers in each year (which may not contain the same set of customers each...

WorkoutWednesday,WOW2025,FIXEDLOD,Parameters,PercentofTotal,Sets,TableCalcs,Week12

Set Actions and Parameter Actions in Tableau Whats the difference and wh...

Mar 20, 2025 Gabriel Louks-Kirwan | www.thedataschool.co.uk

What Are Set Actions?

Data,Databricks

Tableau Conference 2025 Presentation

Mar 20, 2025 Ken Flerlage (noreply@blogger.com) | www.flerlagetwins.com

We are thrilled to once again be speaking at Tableau Conference April 15-17, 2025 in San Diego!! And this year, we’re going to be presenting on the MAIN KEYNOTE STAGE!!!!Needless to say, we are very excited about this “Super Session” and cannot th...

Tableau,TableauConference

How to Analyze Customer Retention with a Jump Plot

Mar 19, 2025 VizWiz (noreply@blogger.com) | www.vizwiz.com

Want to analyze customer retention trends in a more insightful way? In this tutorial, I’ll show you how to create a Jump Plot in Tableau, a powerful visualization that helps track customer movement over time.You’ll Learn:✅ What a Jump Plot is and ...

arc,customerretention,dataanalysis,datavisualization,howto,jumpplot,relationship,tableau

10 Things I Love About Databricks

Mar 19, 2025 Robby White | interworks.com

Recently, here at InterWorks, we had a professional development day where we talked through popular partner systems. Databricks was one that really stood out to me. Rather than focusing on one specific feature, I decided to talk about 10 things th...

Data,Databricks

Level of Detail Calculations Basics 101

Mar 18, 2025 Gabriel Louks-Kirwan | www.thedataschool.co.uk

Level of Detail (LOD) expressions allow you to control the granularity at which calculations are performed. In Tableau, the level of detail in a visualisation is typically defined by the dimensions included. As a result, Level of Detail Calculatio...

Kasia Gsiewska-Holc Build a Feedback Tool into Your Tableau Workbook

Mar 18, 2025 Ken Flerlage (noreply@blogger.com) | www.flerlagetwins.com

This is a guest blog post is from oneof our favorite regular contributors, Kasia Gąsiewska-Holc. Based in Poland,Kasia works remotely as a Senior BI Analyst at Ecovadis, a data analyticscompany based in Warsaw. She is also a Tableau Public Ambassa...

DataViz,GuestPost,How-To,Tableau

First Steps with Alteryx My Initial Impressions Documentation Approach

Mar 16, 2025 Aronas Zilys | www.thedataschool.co.uk

This week, I finally had the chance to get hands-on with Alteryx, and I’m excited to share my first experience using the tool! Having worked with Tableau Prep and Power Query before, I was curious to see how Alteryx compared in terms of usability ...

An Intro to Alteryx Building My First Workflow

Mar 16, 2025 Amy Peacham | www.thedataschool.co.uk

Getting Started with Alteryx Designer

Whats New in dbt

Mar 14, 2025 Rachel Kurtz | interworks.com

dbt is continuing its tradition of upping the ante and developing new features to really enhance the seamless data transformation experience. In their most recent installment of “What’s new in dbt Cloud,” there were many announcements. Here are a ...

Data,dbt,updates

Can you find sales per customer per first purchase cohort

Mar 14, 2025 Donna Coles | donnacoles.home.blog

Kyle set the #WOW2025 challenge this week, using a summarised data set based on Superstore that he included in the challenge page. Building out the core data fields I started this challenge, by building out the data in a tabular format, so I could...

WorkoutWednesday,WOW2025,FIXEDLOD,Parameters,SIZE,StackedMarksOff,Week11

How to Build KPI Tiles in Tableau

Mar 12, 2025 Ollie Linley | onenumber.biz

KPIs (Key Performance Indicators) are essential for any dashboard, helping you track performance at a glance and make data-driven decisions faster. In this tutorial, I’ll walk you through how to build KPIs in Tableau, from setting up calculated fi...

Design,TableauKPIs

Utilising Parameters to Filter on Selected Flagged Fields in PowerBI

Mar 11, 2025 Morgan A Rennie | www.thedataschool.co.uk

Streamlining Filters in Power BI with a Parameter-Based Approach

Data,CSV,json,xml

Wie eine Lsung doch so einfach sein kann.

Mar 10, 2025 Thomas Hoefer | www.thedataschool.co.uk

Eines der am Anfang kompliziertesten Aufgaben im Feld der Datenvorbereitung ist das pivotieren und transponieren, also das aufteilen einer Spalte im Datensatz in mehrere Zeilen oder auch das verbinden mehrere Zeilen in eine Spalte.

Data,CSV,json,xml

Understanding Tableau Sets

Mar 10, 2025 Miffy Allen | www.thedataschool.co.uk

What are sets? Sets are custom subsets of data based on conditional logic. They can aid your analyses by filtering data, highlighting specific fields and grouping data.

Data,CSV,json,xml

Regex Die Logik hinter den wilden Zeichenketten

Mar 10, 2025 Ahsen Polat | www.thedataschool.co.uk

Kennt ihr das? Ihr seht eine wilde Zeichenkette voller Punkte, Sterne, Klammern und fragt euch: “Wer versteht sowas?” Genau das habe ich auch immer gedacht, wenn ich irgendwo unbeabsichtigt auf Regex gestoßen bin. Bis wir uns dann letzte Woche dam...

Data,CSV,json,xml