Spatial Tools in Alteryx Part 1 Preparing Your Data for Spatial Analysis

Jul 18, 2025 Ollie Ross Russell | www.thedataschool.co.uk

When working with location-based data, the first step is to get your data into a spatial format that Alteryx can understand and manipulate. In this blog, we’ll walk through how to import datasets with latitude and longitude coordinates, convert th...

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

How to create a Standard Macro in Alteryx

Jul 18, 2025 Kieran Joymungul | www.thedataschool.co.uk

What is a Standard Macro?

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

How to create a Batch Macro in Alteryx

Jul 18, 2025 Kieran Joymungul | www.thedataschool.co.uk

What is a Batch Macro?

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

How to construct and use a basic CTE in Snowflake

Jul 18, 2025 Kieran Joymungul | www.thedataschool.co.uk

What is a CTE?

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Filter functions in DAX

Jul 18, 2025 Freya Marijatta | www.thedataschool.co.uk

For those used to LODs and filters in Tableau, trying to do the same thing in DAX can sometimes feel awkward and confusing. While in Tableau you can calculate, for instance, the average of something per category simply by wrapping it in a FIXED LO...

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Understanding AWS Security KMS Keys IAM Users Roles Policies

Jul 17, 2025 Jacob Kilroy | www.thedataschool.co.uk

If you’ve worked with encrypted data, scoped permissions, or cross-account access, you’ve likely come across KMS keys, IAM users, roles, and policies. Here’s a quick breakdown of what they are—and how they work together.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Tableau Next as a BI Tool

Jul 17, 2025 Serena Purslow | www.thedataschool.co.uk

If you’re part of the Tableau community, chances are you’ve heard of Tableau Next by now. Read my initial thoughts of using Tableau Next as a BI Tool.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Slowly Changing Dimensions SCD

Jul 17, 2025 Alex Bernaciak | www.thedataschool.co.uk

In Data world, Slowly Changing Dimensions (SCDs) refer to columns of data which don’t change as often as one could expect.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Medallion Architecture A Clean Scalable Way to Handle Your Data

Jul 17, 2025 Erin Potter | www.thedataschool.co.uk

If you’re working with a modern data stack Medallion Architecture is one of those patterns that just makes your life easier. It gives structure to your pipeline and helps you (and your teammates) understand what’s happening at each stage of your d...

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

How to create a bump chart in PowerBI

Jul 16, 2025 Kieran Joymungul | www.thedataschool.co.uk

A bump chart visualises how a metric for a particular category has changed ranks over time. In this example we will look at how sales by region has ranked over the year for each month.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Building and Troubleshooting TrellisSmall Multiple Charts in Tableau

Jul 16, 2025 Hannah Norfolk | www.thedataschool.co.uk

This week I have been learning how to create a Trellis chart in Tableau using data from https://ourworldindata.org/working-hours#research-writing , which explores the average number of hours worked by the average person annually for each country.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Drill Down Asimtrico utilizando Tcnica de Scaffold Andamiaje

Jul 16, 2025 Rosario Gauna | rosariogaunag.wordpress.com

En este ejercicio implementaremos un Drill Down Asimétrico para explorar una jerarquía de cuatro niveles. Esta técnica facilita una navegación intuitiva y enfocando la atención exactamente donde se requiere, permitiendo analizar en profundidad sin...

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Asymmetric Drill Down Using Scaffolding Technique

Jul 16, 2025 Rosario Gauna | rosariogaunag.wordpress.com

In this exercise, we will implement an Asymmetric Drill Down to explore a four-level hierarchy. This technique enables intuitive navigation, focusing attention precisely where needed while allowing deep analysis without losing sight of the big pic...

English,Asymmetric,DrillDown,DrillUp,Tableau

SQL fr Einsteiger

Jul 15, 2025 Stella-Sophie Bukowski | www.thedataschool.co.uk

Was ist SQL?

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Reflecting on my role as Project Manager for my client project week

Jul 15, 2025 Ted Evans | www.thedataschool.co.uk

In Data School training we develop our management and leadership skills through managing the rest of our cohort with a client project. In my case, I was managing the other 7 members of my cohort working with a top 6 Premier League club’s academy.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

First Client Project Down

Jul 15, 2025 Younes Ghouini | www.thedataschool.co.uk

Last week marked a major milestone for both myself and my cohort as we embarked on our very first client-facing project. While this was an internal project, it proved to be an incredibly valuable learning experience that helped us develop critical...

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Demystifying the Data School Application How I Picked My Dataset

Jul 15, 2025 Amanda Rodriguez | www.thedataschool.co.uk

I discovered The Data School while at a crossroads in my career. My background spans multiple industries: I’ve worked in nonprofit operations focused on community change (should I explore NYC parks data?), I launched a podcast focused on consumer ...

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

Dashboard Accepted What Worked and What Id Rethink

Jul 15, 2025 Amanda Rodriguez | www.thedataschool.co.uk

So many people look back on their dashboards after 7 weeks at the data school and cringe, but I’m super proud of what I created, because I persevered in my application process despite knowing how green I was in using Tableau.

Espaol,Asimtrico,DrillDown,DrillUp,Tableau,blog

What is a logical view in Tableau Next

Jul 14, 2025 Ted Evans | www.thedataschool.co.uk

What is a Logical View?

Everyone Talks About CDC and Im Too Afraid to Ask

Jul 14, 2025 Jeffrey Brian Thompson | www.thedataschool.co.uk

When working with data, staying up to date is essential. New customers, updated prices, or deleted records are all changes that can occur, and you want your system to know what changed, and when.

Four Cool New Features in Tableau 2025.2 Part 2

Jul 14, 2025 Ken Flerlage (noreply@blogger.com) | www.flerlagetwins.com

In June, Tableau released the latestversion of their platforms (with the exception of Server, which is now on atwice annual release cycle) and there is a ton of new stuff!! Lots of itinvolves Tableau Next and Pulse, but there are also some nice ad...

How-To,SeriesNewFeaturesinTableau2025.2,Tableau

Where Tableau Adds Value in the Financial Industry 7 Real-World Use Cases

Jul 12, 2025 Lisa Hitch | www.thedataschool.co.uk

Clients across industries often ask “How does Tableau add value for our organization?”

Dashboard Week IMDb

Jul 12, 2025 Lina Duong | www.thedataschool.co.uk

(A very late blog about this since I forgot to post!)

What is Tableau Next

Jul 11, 2025 Rosh Khan | www.thedataschool.co.uk

Tableau is growing.

Data,languages,Sigma,Translations

What are Semantic Models in Tableau Next and how do they work

Jul 11, 2025 Ted Evans | www.thedataschool.co.uk

What is a semantic model?

Data,languages,Sigma,Translations

Uploading a Chained Analytical App to the Alteryx Community Gallery

Jul 11, 2025 Gabriel Bryan | www.thedataschool.co.uk

As I near the end of my training at The Information Lab, I decided to revisit and upgrade one of my earlier projects - the BibTeX Parser. It started as a simple workflow for parsing bibliographic entries, but I always imagined it as a macro or an ...

Data,languages,Sigma,Translations

Understanding the Agentforce AI Concierge in Tableau Next

Jul 11, 2025 Louis Phipps | www.thedataschool.co.uk

What is Agentforce (Concierge)?

Data,languages,Sigma,Translations

Understanding Draft With Einstein in Tableau Next

Jul 11, 2025 Louis Phipps | www.thedataschool.co.uk

What is Einstein?

Data,languages,Sigma,Translations

Metrics in Tableau Next

Jul 11, 2025 Louis Phipps | www.thedataschool.co.uk

What is a Metric and how do we create them?

Data,languages,Sigma,Translations

Data Lake Objects vs Data Model Objects in Tableau Next

Jul 11, 2025 Ted Evans | www.thedataschool.co.uk

Where do Data Lake Objects (DLOs) and Data Model Objects (DMOs) fit into Tableau Next?

Data,languages,Sigma,Translations

Creating Calculated Fields in Tableau Next

Jul 11, 2025 Louis Phipps | www.thedataschool.co.uk

How do calculated fields differ in Tableau Next compared to Desktop?

Data,languages,Sigma,Translations

Create a Visualization in Tableau Next

Jul 11, 2025 Agnes Amer | www.thedataschool.co.uk

Visualizations in Tableau Next is where you can transform raw data into easily digestible formats, such as charts, tables or graphs.

Data,languages,Sigma,Translations

Multilingual Dashboards Made Easy A Look into Sigmas Localization Features

Jul 11, 2025 Josias Hernandez Perez | interworks.com

In today’s global business environment, delivering data insights in the right language is more than a convenience, it’s a necessity. Sigma’s localization and language translation features are designed to empower users across different regions to a...

Data,languages,Sigma,Translations

Can you use Dynamic Colour Ranges

Jul 11, 2025 Donna Coles | donnacoles.home.blog

Yusuke set the challenge this week which allowed us to try out a new feature of Tableau – Dynamic Colour Ranges. As a consequence, you’ll need v2025.2 for this. Setting up the Data for use in a Map After connecting to the CSV file provided by Yusu...

WorkoutWednesday,WOW2025,DynamicColourRange,Maps,ParameterActions,Parameters,ResetButtonSheet,Week28

Using Tax Years in calculations in Tableau

Jul 10, 2025 Ollie Ross Russell | www.thedataschool.co.uk

When reporting on performance in Tableau, we often default to standard calendar years for our date logic. But what happens when your organisation reports on tax years instead? In the UK, the tax year runs from 6th April to 5th April of the followi...

Data,languages,Sigma,Translations

Tableau Next Using Concierge After a Dashboard

Jul 10, 2025 Rosh Khan | www.thedataschool.co.uk

Welcome to the Tableau Next Blog Series!

Data,languages,Sigma,Translations

Tableau Next Building a Dashboard

Jul 10, 2025 Rosh Khan | www.thedataschool.co.uk

Welcome to the Tableau Next Blog Series!

Data,languages,Sigma,Translations

How to Add Higher Granularity to Your Data in Tableau Prep

Jul 10, 2025 Claudina Mukangabo | www.thedataschool.co.uk

What do you do when your data’s date field is at low granularity, for example, you only have a single relationship start date but you need your data to include every day in between up to today’s date? That’s where scaffolding comes in. By using th...

Data,languages,Sigma,Translations

Alteryx vs. Python II

Jul 10, 2025 Stefan Ladwig | www.thedataschool.co.uk

Welcome to the second part of comparing data prepping in Alteryx and in Python.This time: Python.

Data,languages,Sigma,Translations

A better way to connect the dots

Jul 10, 2025 Steve Wexler | www.datarevelations.com

A deep thanks to Ken Flerlage for helping me out with one of the tricky parts. The connected dot plot (aka, gap chart, dumbbell chart, and barbell chart) has become my “go to” for showing the differences within demographic groups for virtually any...

BusinessVisualizations,GeneralDiscussions

Tableau Next Loading Data from Scratch

Jul 9, 2025 Rosh Khan | www.thedataschool.co.uk

Welcome to the Tableau Next Blog Series!

Design,TableauHow-Tos

Tableau Next Building a Semantic Model

Jul 9, 2025 Rosh Khan | www.thedataschool.co.uk

Welcome to the Tableau Next Blog Series!

Design,TableauHow-Tos

Tableau Next Building Visualisations

Jul 9, 2025 Rosh Khan | www.thedataschool.co.uk

Welcome to the Tableau Next Blog Series!

Design,TableauHow-Tos

How to create boolean parameters in Tableau Next you cant...yet

Jul 9, 2025 Kieran Joymungul | www.thedataschool.co.uk

In Tableau Desktop, when creating a parameter based on a boolean output it will automatically offer the ability to add a true and false outcome as shown here:

Design,TableauHow-Tos

Create a Parameter in Tableau Next

Jul 9, 2025 Agnes Amer | www.thedataschool.co.uk

Including Parameters in your dashboard in Tableau Next, provides the User with the ability to control different aspects of the visual - this could be enabling the User to select a specific date range, or even switching between viewing Revenue or v...

Design,TableauHow-Tos