Diskretes und fortlaufendes Datum in Tableau Der Unterschied und wie man...

Feb 17, 2025 Ahsen Polat | www.thedataschool.co.uk

Wer mit Tableau bereits gearbeitet hat, kennt, dass es sowohl blaue als auch grüne Pillen gibt, nachdem Tableau mit einer Datenquelle oder einer Datei verbunden wurde.

Data,Snowflake,Streamlit

Data Prepping Splitting Columns

Feb 17, 2025 Miffy Allen | www.thedataschool.co.uk

Before diving into analysis, data needs to be understood and cleaned. One option for cleaning is splitting columns.

Data,Snowflake,Streamlit

2 Wege wie du Parameter in dein Dashboard implementieren kannst

Feb 17, 2025 Johann Shin | www.thedataschool.co.uk

Parameter sind ein zentrales Element auf Tableau, die es den Usern ermöglichen, ihre Dashboards mehr interaktiv zu gestalten. Nutzer können über die Implementierung von Parameter ihre angezeigten Daten dynamisch anpassen, ohne das gesamte Dashboar...

Data,Snowflake,Streamlit

Building Interactive Applications with Snowflake and Streamlit

Feb 17, 2025 Roger Garcia | interworks.com

One of the most exciting advancements in the Snowflake ecosystem as of late is the support for Streamlit, a powerful open-source Python framework for data scientists and AI/ML engineers that allows the creation of data apps. By combining Snowflake...

Data,Snowflake,Streamlit

All The Date Functions in Tableau

Feb 16, 2025 Rosh Khan | www.thedataschool.co.uk

For this guide, I want you to refer to two things to make it easy for you to understand the different date functions in Tableau. 1) I will be using Tableau’s sample data’s “Order Date” field from Superstore Sales to refer to times we want to make ...

WorkoutWednesday,WOW2025,DashboardActions,deselectmarks,DualAxis,fakeaxis,HighlightAction,Highlighttable,Sets,Week7

Dashboard Design Fundamentals A Quick Clean-Up Project Reflection

Feb 14, 2025 Aronas Zilys | www.thedataschool.co.uk

Dashboards are powerful tools for data visualization, but they need to be designed thoughtfully to ensure clarity and usability. I recently undertook a quick clean-up project to refine a dashboard, and I want to share my reflections and key design...

Data,AI,data,ML

Solving Data Chaos The Case for Unified Data and Interoperability

Feb 14, 2025 Kevin Pemberton | interworks.com

I’m seeing in today’s data landscape that many companies find themselves drowning in a sea of disjointed data. (Apologies in advance for the nautical references, I’m a fan of history and the Royal Navy in the 1800’s, so there will be more!) Imagin...

Data,AI,data,ML

Can you manually colour a highlight table

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

It was Yusuke’s turn for this week’s #WOW2025 challenge, posing a twist on a the creation of a highlight table. Whenever I start a challenge, I take note of what’s going on – I interact with it, move my mouse around to see if there’s any clues. Th...

WorkoutWednesday,WOW2025,DashboardActions,deselectmarks,DualAxis,fakeaxis,HighlightAction,Highlighttable,Sets,Week7

What did it take to get into DS49

Feb 13, 2025 Robbin Vernooij | www.thedataschool.co.uk

DS49 their journey at the Data School two weeks ago. A perfect time to look at what it took for them to get in!

Data,AI,data,ML

Advanced Calendar Heat Maps in Tableau No More Workarounds

Feb 12, 2025 VizWiz (noreply@blogger.com) | www.vizwiz.com

Tired of clunky calendar heat maps in Tableau? You’re not alone. Traditional methods (discrete & continuous headers) just don’t cut it. But what if you could build the perfect calendar heat map—one that’s dynamic, clean, and fully customizable...

analytics,calendar,datavisualization,fullyearcalendarheatmap,heatmap,maplayers,tableau,tip,tutorial

Prepped and Ready Week One at The Data School

Feb 12, 2025 Zaman Bilal Iqbal | www.thedataschool.co.uk

From understanding client’s needs, to learning how to clean and reshape data, my first week at The Data School has been hugely rewarding.

Certification

Plan Plan Plan and Document The first step as a Data School Consultant

Feb 12, 2025 Victor Yuan | www.thedataschool.co.uk

When first looking at a dataset, I bet nearly everyone’s first instincts will be to open up their chosen analysis tool and jump straight into the task at hand. But is this what you should do?

Certification

Dynamically Remove Null Columns in Power Query

Feb 12, 2025 Michael Apau | www.thedataschool.co.uk

I recently had to do a piece of work for work for a client. Data usually needs clean up so I sought to do that but obsreved so many null columns in the dataset. I employed Power Query to clean this up and this is what I want to share in this blog.

Certification

Deconstructing an API Workflow

Feb 12, 2025 Tobias Colmer | www.thedataschool.co.uk

Needing a hand with an API? Hopefully this can help to point you in a helpful direction.

Certification

How to Ace Your Tableau Certification

Feb 12, 2025 Ollie Linley | onenumber.biz

Tableau’s Certifications aim at testing your theoretical and practical knowledge of Tableau through Multiple Choice Questions. The test is designed to give your CV the stamp it needs to show that you know how to use Tableau, and that you’re confid...

Certification

Week 1 Of Being A Part Of The Data Team

Feb 11, 2025 Aronas Zilys | www.thedataschool.co.uk

Hi everyone! My name is Aronas Zilys, and I’ve just completed my first week at the Data School as part of DS49. I’m incredibly excited to be here, and after an action-packed week, I thought I’d write a blog to share my experience with anyone think...

Certification

Switching Between Two Sheets in Tableau

Feb 11, 2025 Dan Booth | www.thedataschool.co.uk

This blog will demonstrate how to switch between two sheets on a Tableau dashboard using dynamic zone visibility.

Certification

Materialisations in dbt

Feb 11, 2025 Dan Booth | www.thedataschool.co.uk

In dbt, materialisations define how models are built and stored in the data warehouse. They determine whether the model will be built as a table, view, CTE, incremental model, or a snapshot, influencing performance, storage, and how the data is re...

Certification

InterWorks is Now a Gold Partner With Informatica

Feb 11, 2025 Robert Curtis | interworks.com

InterWorks is proud to announce that we have been promoted to the Gold partner tier with Informatica in Australia. Our commitment to our customers is maximising the value of data. We do this by deploying best-of-breed data platforms, building robu...

News,partners,partnerships

Wann verwende ich Fixed Include oder Exclude in Tableau

Feb 10, 2025 Olivia Esau | www.thedataschool.co.uk

Die Data School Training Phase umfasst verschiedene Schulungen mit einem Fokus auf Alteryx, Power BI und Tableau. Mit letzterem sind wir in der zweiten Phase angekommen. In der vergangenen Woche haben wir uns eingehend mit dem Thema Level of Detai...

Certification

Der ETL Prozess Step-by-step

Feb 10, 2025 Melvin Speckamp | www.thedataschool.co.uk

Die Datenaufbereitung ist ein kritischer und zeitaufwendiger, aber unverzichtbarer Bestandteil der Arbeit eines Data School Consultants. Sie ist die Grundlage für valide und aussagekräftige Analysen. Durch die sorgfältige Anwendung der ETL Schritt...

Certification

Be careful with Row Numbers in Tableau Prep

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

This weeks client project is all about market basket analysis. To answer the questions our client has about his dataset, a Co-Occurrence Matrix was an Idea we wanted to pursue.For a baseline understanding about how to build them:https://www.youtub...

Certification

Absolute vs. Relative Pfade

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

Während wir im Training mit geteilten Dateien aus dem Dateisystem der The Information Lab arbeiten, kommt es öfters dazu, dass nicht alle die gewünschten Dateien finden, auf die der Trainer verweist, weil diese sich meistens in mehreren Unterordne...

Certification

New Viz Yada Yada Yada - Whos Talking in Seinfeld

Feb 10, 2025 Kevin Flerlage (noreply@blogger.com) | www.flerlagetwins.com

 A few weeks ago, I shared a new feature of Tableau Public on social media. Sarah Bartlett then commented that I was at 199 vizzes and asked what I was planning for my 200th. Uhhhhh, I had nothing planned and didn’t even know I was at ...

Tableau

Can You Adjust the Dashboard Design by Filter

Feb 7, 2025 Donna Coles | donnacoles.home.blog

The focus of this week’s challenge, set by Yoshi, is showing “detail on demand” using filters. Defining the calculations We’re only concerned about current year and previous year, so to simplify this, after connecting to the data source, I added a...

WorkoutWednesday,WOW2025,DynamicZoneVisibility,FIXEDLODs,KPIs,Sets,Week6

What is dbt

Feb 6, 2025 Michael Apau | www.thedataschool.co.uk

In the space of Business Intelligence and Data Analytics, there is always the need for sourcing data and getting it ready for analysis through cleaning. The classical path is to have a Data Engineer extract data from various sources, transform the...

Data,BI,Modernize

Modularity in dbt

Feb 6, 2025 Michael Apau | www.thedataschool.co.uk

In my introductory blog on dbt, I made mention of how modularity in dbt is an asset in data transformation and sets it apart. In this blog, I seek to touch on this topic with a very simple example for a better understanding.

Data,BI,Modernize

3 Ways to Modernize Your BI Stack

Feb 6, 2025 Robby White | interworks.com

I’ve had the benefit over the last few years of listening to hundreds of our clients talk about business intelligence (BI) tools and how they are being used across their organizations. Although there’s never a one-size-fits-all approach to success...

Data,BI,Modernize

Setting up Snowflake sources in dbt

Feb 5, 2025 Zoe Reed | www.thedataschool.co.uk

This blog is going to outline how to create sources in dbt that allow you to easily reference tables that are stored in Snowflake. We will be connecting to two tables - orders and orders_returned. The tables sit in the schema zr_superstore_schema.

How-To,Python,SQL,Tableau,TableauPrep,TableauServerOnline

Date Scaffolding in Snowflake

Feb 5, 2025 Dan Booth | www.thedataschool.co.uk

I am currently aiming to complete every 2021 Preppin’ Data challenge in Snowflake. The link to my progress can be found at the bottom of this blog

How-To,Python,SQL,Tableau,TableauPrep,TableauServerOnline

How to Exclude Reference Lines from Grand Totals in Tableau

Feb 4, 2025 VizWiz (noreply@blogger.com) | www.vizwiz.com

Ever added a reference line to your Tableau visualization, only to see it appear in the grand total row, even when it doesn’t make sense?If your grand total uses a different aggregation than your main data (e.g., SUM vs. AVG), the reference line c...

aggregation,grandtotal,howto,referenceline,tableau,tip,total,tutorial

Explaining with Control Charts what are they and how to build them in Po...

Feb 4, 2025 Robbin Vernooij | www.thedataschool.co.uk

In this blog, part of the Explaining with series, I will go over what Control Charts are, diving a bit into what they can do for you, followed by how to build them in Power BI and make them respond to slicers and filters.

How-To,Python,SQL,Tableau,TableauPrep,TableauServerOnline

building a data pipeline start to finish

Feb 3, 2025 Annie Casey | www.thedataschool.co.uk

This blog will detail the various steps our data travels through in this example data pipeline and will additionally highlight which steps can be automated using Kestra to simplify and automate our data pipeline from start to finish.

Data,BlogRoundup,Snowflake,Tableau

InterWorks Blog Roundup January 2025

Feb 3, 2025 Mark Cordeiro | interworks.com

Happy New Year, dear readers! (Now that I think about it, it’s probably been about a month since you last heard that one, huh?) We’re happy to have you back for another great year of content on the blog. We’re spinning up some exciting content…The...

Data,BlogRoundup,Snowflake,Tableau

Build Your Tableau Cloud Admin Insights History

Feb 3, 2025 Ken Flerlage (noreply@blogger.com) | www.flerlagetwins.com

If you’re a Tableau Cloud user, thenyou’ve probably leveraged some of the amazing data available in Admin Insights. Admin Insightsis a Tableau Cloud project that is pre-populated with curated published datasources and pre-built workbooks showing u...

How-To,Python,SQL,Tableau,TableauPrep,TableauServerOnline

Loading Data from Cloud Platforms into Snowflake Part 2 - COPY commands

Jan 31, 2025 Trea McElhone | www.thedataschool.co.uk

Following on from my last blog post, where we walked through how to create an external stage, in this post, we’ll cover how to use that external stage to copy data into a table within your Snowflake schema.

Data,BlogRoundup,Snowflake,Tableau

How to highlight with a Parameter while maintaining base mark colours

Jan 31, 2025 Dominic Brady | www.thedataschool.co.uk

So here is an interesting one, let’s say you have a scatter plot, with the marks coloured according to category:

Data,BlogRoundup,Snowflake,Tableau

Dashboard Week Day 5- Using Figma in Tableau

Jan 31, 2025 Dan Booth | www.thedataschool.co.uk

Today we were tasked with building a dashboard using data we obtained from an API. For this project I focused on improving my dashboard design skills with the use of Figma. Figma is an open source design software, which can be used to build visual...

Data,BlogRoundup,Snowflake,Tableau

Dashboard Week Day 5

Jan 31, 2025 Priya Kondola | www.thedataschool.co.uk

Today was the last day of dashboard week and the final day of training. I needed to finish my Alteryx workflow today and then build a dashboard from the pilates data.

Data,BlogRoundup,Snowflake,Tableau

DS47 Dashboard Week Day 5

Jan 31, 2025 Lorna Brown | www.thedataschool.co.uk

It’s DS47 final day of training today, which has gone insanely quick and I’m sure we say that for every cohort.

Data,BlogRoundup,Snowflake,Tableau

Can you use spatial parameters

Jan 31, 2025 Donna Coles | donnacoles.home.blog

This week, Kyle set the challenge to test our use of functionality released in 2024.3 – spatial parameters. I hadn’t used these before, so did have a watch of the video link posted in the challenge, which was really useful. Accessing the data Kyle...

WorkoutWednesday,WOW2025,Geometry,Intersects,Maps,ShapeFiles,SpatialParameters,Week5

Genuary 2025 My journey to learn p5.js

Jan 31, 2025 | www.anyalitica.dev

This year I finally did something that I’v been meaning to do for a couple of years now: I completed all Genuary prompts within the month of January.Genuary is a creative coding challenge that happens every January. During this month participants ...

generative_art,p5js,creative_coding,genuary_2025

Keyboard navigation in Tableau

Jan 30, 2025 Bethan Donovan | www.thedataschool.co.uk

For today’s dashboard week project, we had to improve accessibility of a given dashboard, for a specific impairment requirement. I was assigned a stakeholder who can only navigate their dashboards via keyboard.

Design,TableauPublic,TableauDashboards

Designing Tableau Dashboards for Users with Dyscalculia

Jan 30, 2025 Dominic Brady | www.thedataschool.co.uk

When building a Tableau dashboard, it’s easy to focus on making things look sleek and data-rich. But what if some of your users struggle with numbers? Dyscalculia—a learning difficulty that affects numerical comprehension—can make it challenging f...

Design,TableauPublic,TableauDashboards

Dashboard Week Day 4- Accessibility

Jan 30, 2025 Dan Booth | www.thedataschool.co.uk

Today in dashboard week we were tasked with making an accessibly designed dashboard. Accessibility Guidelines consist of 4 parts (Perceivable, Navigable, Adaptable, Distinguishable). This blog will describe how each can be achieved in Tableau.

Design,TableauPublic,TableauDashboards