The Data School Blog
Editing a dashboard to fit visualisation best practices
Data visualisation best practices For my week 2 challenge in the Data School Down Under, I was tasked with making improvements to one of my data visualisations to fit best practices. In this blog, I want to walk you through how I approached this challenge. When...
How to create your colour palette in tableau ?
I learned a few tips on how to create your colour palette. This is essential to know how to do it as this will help personalise your viz or use company colour to create the same schema. In this blog, I will talk about how to create a colour palette quickly by using...
Arcs and Curves in Tableau
When it comes to shapes , there are studies that suggest humans are more inclined to slight curves. It comes as no surprise with the popularity of visualization that has curves or arcs in it. It gives a WOW factor. The usability of such charts may be questionable,...
Aligning axis ranges between sheets in Tableau
When building complex dashboards in Tableau, it is always an issue to ensure that two or more similar plots from different sheets have the same axis range. Tableau tends to adjust axis ranges for the best fit automatically. You can switch to a fixed axis to preserve...
Another Reason To Be The Next Data Schooler!
Data School is... Data School is a fascinating place that prepares you to be a successful Data Analytics Consultant. If you know a bit about Data School, you may be aware that the Data School trains Data Schoolers, for 4 months period, with market-leading Data...
Tableau : How to format numbers when using a parameter
One of my challenges during my previous dashboard was to get the right format numbers between currency and quantity in using a parameter in tableau. I played with the format and changed to currency, but then a dollar sign would still show for the Quantity measure....
One-Sheet Small Multiples in Tableau
Small multiples are a popular concept in data visualization and dashboards and have been used to present information for centuries. A small multiple is a series of graphs or diagrams presenting the same measures over several or many categories, time frames or...
How to Analyse Overlapping Time Periods in Alteryx
The aim of this blog is to demonstrate a popular method for analysing problems involving overlapping time periods using Alteryx. To begin, we will establish the context by discussing the common use cases for analysing such problems. Next, we will illustrate the...
I joined The Data School without an IT background
If you are reading this, chances are you are interested in applying to The Data School Down Under. You might be unsure about applying because: You don't have a background in IT, data, computer science, engineering, or mathematics (like me). You may not have touched an...
What did it take to get into DSAU15?
The quality of applications to get into the Data School Down Under is getting better and better! For each cohort, I will be compiling the submitted vizzes to show what it takes to get a spot in our program. Let’s take a look at DSAU15’s applications in this blog....
Tips for passing the Tableau Certified Data Analyst Exam
Recently I passed the Tableau Certified Data Analyst exam. Below are some tips for those who are preparing for the exam. I will discuss these tips in three parts: A general impression of the exam Topics/Areas require attention Preparation materials ...
How To Use The Email Tool In Alteryx
This is part 3 of my series on the ordering and invoicing system I made using Google Forms and Alteryx. In the last post we went through how the app functions using advanced app chaining, which you can see here. Today we're going to go through how to use the email...