The Data School Blog

Editing Multiple Aliases in Tableau by Blending

A quick tip on how to edit multiple aliases in Tableau by blending in an external data table. There might be times when aliases are used in data sets to clean up the data set, for example, in Survey data the questions might be replaced by a number (Q1, Q2, etc) to get...

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User Filters in Tableau Server – Part 2

This is Part 2 of the user filter blog on using an external table with usernames and groups to create user filters based on calculated fields. Please refer to Part 1 written by Laura Scavino for a quick introduction on adding user filters by creating username sets. A...

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Just The Tips 4 – Slope Charts

Slope charts are essentially line charts, but ones which only show two points. They're really useful for showing overall trends without letting fluctuations disguise the big picture. To make them you want to take a designated start and end date and then cut out...

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Predictive Analytics Schema

I’ve made an Alteryx schema based on model comparison which will hopefully help any of you wanting to exploit the power of predictive analytics. What I’ll show is supposed to be a guide for how you might want to set up your own workflow, and so I’ve tried to make it as broadly applicable as possible.

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Diverging Stacked Bars

With this and Tim’s post yesterday, diverging bar charts are apparently very much in vogue at 33 Cannon Street. However I wanted to look at a different type of chart – the diverging stacked bar. 

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First Look at Project Maestro

My first impression of Project Maestro, Tableau's data prepping tool. Today we had a first look at Project Maestro (V0.4) with Tableau Zen Master Emma White looking at survey data. Very much impressed after a first look. Below a few 'positives' and 'negatives' after a...

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How to find the 2nd value in a date range

Ever needed to find the 2nd value - now you can! Sometimes we may need to find the second value in a range of dates. For example, a customers second order date. We can do this using a Level of Detail calculation (LOD). For this example I am using superstore data - we...

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Less is More with Parameters

Parameters can be used to build Calculated fields in Tableau, which will allow you to provide interactivity, show more data while also keeping the visualisation simple and avoid overcrowding the dashboard

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Just The Tips 3 – Rolling Months

For this week’s project, I’ve been looking at trending data. More specifically, I was tasked with showing the previous 12 months data for some metrics as a comparative guide. In this episode of Just The Tips, I’ll show you how to use calculated fields to show ‘rolling months’.

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How to navigate between dashboards in Tableau

Linking dashboards in Tableau Have you ever had multiple dashboards that you would like to link together somehow? You could use story points, and flick through dashboards in a sequential order. But what about if you want to build a hierarchy where you can drill down...

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All In for Graphics

One of the perks of being in the Data School, is that we are spoiled by teachers, both from within TIL and from outside. On Tuesday we were lucky enough to have a session on infographics with Caroline Beavon. I thought I’d share a little of what we learned here…

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Running the First Project Week

Data School project week: problem, workflow, solution and presentation. Part of the Data School are project weeks, where we work for clients to get hands on experience with setting up and running projects. The clients come in with a 'problem' on Monday, we discuss the...

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Custom Colour Palettes in Tableau

A quick guide to creating custom colour palettes in Tableau. Tableau offers a range of regular and diverging colour palettes, but there are times when you would like to use a different range of colours or for instance your company colour scheme. Many thanks to George...

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Just The Tips 1 – Extra Colourful Dimension

Inspired by Gauthier’s and Tom’s blog posts, I’ve created a little series in a similar vein. These posts will be short and with a very narrow field. They will either answer or give advice about very specific problems. First up its how to add two dimensions to your colour shelf.

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Alteryx – 3 Tips that got me started

New to Alteryx? I've listed 3 tips that will continue to remain standard practice for myself going forward. Alteryx is amazingly powerful, intuitive and forgiving, and while I'm yet to explore all its functions and capabilities, there were a few handy tips pointed out...

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The Top 5 Things I Learned Today

It’s #Week2 of Data School and despite the lack of R&R found this weekend, I found myself walking into 33 Cannon Street eagerly this morning. Since my last post got a bit out of hand in terms of length, I thought I’d aim for short and sweet today. That means it’s listicle time! Here are my favourite 5 things I learned today:

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Combining Data in Tableau and Alteryx

At the end of this first week, we’ve encountered a lot of new information. I thought I would use this post as an opportunity to set some of it straight in my head, and in doing so look at differences between Tableau and Alteryx. I’ll focus on how the two tools combine data sources.

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Alteryx. You had me at hello

The last two days at the Data School we have been learning Alteryx. This incredible piece of software can change your analytical life and I will take you through some of its capabilities. Sounds too good to be true? Keep reading. 

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First Day in DS8

Well…here I am.  Glad to finally say I have started my job here at the Data School and elated to be a member of DS8 🙂 Since being offered a place a month ago I was excited to start this new stage in my life. Today it was time to finally meet the rest of the members...

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DS8 – Day 1

1st day, 1st blog - reaching the data school and tackling timestamp data in Tableau. 1. Reaching the Data School Day 1 Having survived my first day at the data school (DS8), I felt like sharing a few moments, which ultimately led me to this day. Working with large...

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First day at the data school was very promising

The data school is all about potential and improvement, sharing ideas, work hard and play hard. The most important part of the training is communication: ask questions and be ready to learn. The best part of the Data School is that working is actually a fun experience.

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A fresh chick in the henhouse

It’s taken a while to finally get my foot in through the door but here I am! Read here about my story and how I got here and my advice for potential applicants of the future.

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