The Data School Blog
Solutions to Practice Questions for Tableau Desktop Certified Associate Exam, Q4-5
In this short blogpost, I'll continue my walkthrough of the practice questions on the Tableau Certified Associate Exam Guide by discussing questions 4 and 5. 4. What is the percent of total Sales for the ‘Home Office’ Customer Segment in July of 2012? a. 23.50% b....
Workout Wednesday #10 2020 ~ Using BUFFER() to find the nearest London Pub
Today we worked on a WOW Challenge that I found very useful in applying spatial data. The challenge is simple, replicate the below image. More importantly, it makes great use case of the buffer() function and demonstrates many practical implications. Moreover, in this...
Memoirs of a Data School Applicant: 5 Tips to Manage 2nd/3rd Round Interview Stress
So you made it to the 2rd or 3rd Round of the Data School Application. First off, congratulations on making this far, it is definitely an achievement. I want to share with you 5 tips that helped me navigate through these two rounds. Understand your data. First off,...
Create a viz with me: Compiling the dashboard
Hello tableau newbies! so you’ve just been exposed to the wonderful world of data analytics and you’re eager to get started on creating your very first viz. However, you may be a little confused about where to begin, there are so many wonderful resources, but it may...
Create a Viz with me: Data Inspection and Story Extraction
So, you’re new to tableau and may have come across the terms “Viz” or “Dashboard”; but you’re not quite sure what exactly it consists of; or how to go about creating one. Well, in this two-part series I will be taking you through the steps I usually take when creating...
How to Use R for One Hot Encoding
Today I want to show you how I used R to complete a one hot encoding cleaning process. Before I kick off, I'll briefly explain one hot encoding. One hot encoding is a useful cleaning process for categorical data. After encoding, predictive analytics can be performed...
Alteryx Tip | Using Spatial Joins To Level Up Your Geographic Analysis
Spatial Match is a feature of Alteryx, with a lot of potential to enhance your analysis – especially when combined with custom spatial objects that aren’t typically present in most data sets.
How my dashboard have improved after 4 months with The Data School Down Under?
Introduction I have used Tableau way before joining the Data School Down Under. Since 2018, I have taken interest in creating visually appealing charts. I can go through the r/dataisbeautiful subreddit for hours and hours. I always had a question pop-up in my mind...
Alteryx Tip | Start Learning Predictive Analytics With These 5 Challenges
Alteryx also has a number of challenges you can use to test their predictive tools without needing real world data. These are a great starting place for understanding their use, and how you can apply them to your work as an analyst.
Using Parameters to Switch Between Views – A Beginner Guide
In Tableau a parameter is a tool that can be used to add interactivity to a view or dashboard, allowing the audience to explore the data for themselves. They can also be used to help organise a dashboard. Today we’ll be looking at using parameters to switch between...
Tableau Tip | How To Embed Spotify Tracks Into Your Tableau Dashboards
Music visualisation is something that combines two things I love: storytelling and music. By combining the interactivity of Tableau with the goldmine of data contained in the Spotify API, you can create whole new ways of interacting with and experiencing songs,...
How to Make a Calendar in Tableau
Building out a calendar in Tableau can be an interesting way of presenting information over time, but there are a few quirks that make it more difficult than it may seem. Here is a step-by-step guide to navigating those difficulties and making your Tableau calendar!...