The Data School Blog
DSAU16: Week 1 and 2 Review
By way of introduction, my name is Oliver and I am one of seven who make up the DSAU16 cohort. We began our program on 1st August and we have wrapped up our second week here at The Data School. In this blog, I will be recapping my experience so far. Spoiler alert: it...
How to access data from a pdf file in as little as 7 steps?
In this blog, I am going to show you, how you can extract data from a pdf file. I’ll introduce you to three new tools in Alteryx and get you to a point where the data is ready for cleaning. Important: The three new tools we’ll be using are Image Input, Image to Text,...
A solution to Alteryx Weekly Challenge #7 & Insights into the output data
For the first week's training on Alteryx, we were given an Alteryx Weekly Challenge and were required to finish it and present it within 4 hours. If we had additional time, we could create a simple dashboard by Tableau and dig out some interesting insights into the...
How to Create a Dumbbell Chart
5 min read In this blog, we will learn about the dumbbell chart: What is a dumbbell chart? When to use a dumbbell chart? How to build a dumbbell chart in Tableau? 1. What is a Dumbbell Chart Dumbbell charts, also known as DNA charts, gap...
New Feature: Fields Parameters in Power BI
Power BI is considered by many as a runner-up in the data visualisation race. It is clear that the product stocks a very different toolset making it harder for those closely acquainted with Tableau to use the same approaches in Power BI. Nevertheless, this app is...
Two ways to implement the chart type switch button in Tableau (Part2)
The second method to create the chart switch button is to use parameters. This method will enable the user to switch between more than two charts. I will use the following three charts to demonstrate how to create the chart switch function by using parameters....
Two ways to create the chart type switch button in Tableau (Part1)
Enabling the chart type switch function in Tableau can increase the usefulness of visualization and make the dashboard more exploratory. There are two ways to implement this feature. The first method is Show/Hidden function which is an embedded function in the Tableau...
The Decade of Data
In this day and age, data is the key to success in almost everything we do. Modern societies revolve around collecting, distributing, and interpreting data, whether in day-to-day life or on a global scale. Not many decisions (not many smart ones, at least) are made...
Application Revisited: Improvising Dashboard
The data being worked in the first submission was about Car Insurance Policy, which dataset can be found in ‘Data World’ under the category ‘Real World Fake Data’. To find the first submission, the please access the following link:...
Parameters, A better way to filter Data
Parameters, A better way to filter Data Filters are only used to divide data while Parameters add into the interactivity of the visualization. When a parameter is added to the viz, it adds into the flexibility as they are based on some calculation. Here is an...
Climbing the ladder
I've just updated my Tableau Public visual resume, and I have a spot of thoughts on it. When you are doing a visualisation like this, it is quite natural you use a Gantt chart-like type of viz to present different stages/parts of your career journey. Also, it is quite...
Tableau Tip: How to use parameters to add interactivity?
Sometimes we may want to use one chart to show more insights or add interactivity. You can deal with this issue by creating parameters. I will use the sample superstore dataset to show how to utilize parameters to control different fields' sort, display, and Top N....