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IntoTheMinds consulting blog
Advice in Data & IT
Data preparation: definition, examples, advice [guide 2021]
Jan18

Data preparation: definition, examples, advice [guide 2021]

To talk about data preparation, what better way to start than from observation. In the world of data, there is a rule that everyone knows: 80% of a data scientist’s time is spent preparing his data, and only 20% working on it, especially its visualization. This article will focus on data preparation: the most frequently encountered problems, tools, and trends. Let’s go for new data adventures! Summary Introduction Data...

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The 5 levels of data visualization: examples and advice [guide 2021]
Jan11

The 5 levels of data visualization: examples and advice [guide 2021]

After having written my guide to data visualization, I wanted to develop the 5 levels of data visualisation in a separate article that I briefly sketched in it. If you want to know where you stand in your BI (Business Intelligence) practice and DataViz, this article is for you! Sommaire Introduction Level 0 (no DataViz) Level 1 (are you still working in Excel?) Level 2 (Long live dashboards) Level 3 (Let me tell you a data story)...

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Data visualization: definition, examples, tools, advice [guide 2021]
Dec09

Data visualization: definition, examples, tools, advice [guide 2021]

Data Visualization, or DataViz, is the discipline that focuses on the graphical representation of raw data. The purpose of data visualization is to create value. The last few years have seen the emergence of new tools and practices around data visualization and new professions’ emergence. This article will start by giving you the definition of data visualization and illustrate with a concrete example of the 5 levels of data...

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Tutorial: How to create a Joyplot using Tableau
Oct02

Tutorial: How to create a Joyplot using Tableau

After having explained to you how to create an isometric hexmap, I now tackle a more difficult subject: creating a joyplot using Tableau. I used a joyplot in the visualisation I submitted to the IronViz. As this type of graph is relatively rare, and I’ve had some trouble getting it right, I thought a tutorial would be welcome. Summary Definition of joyplot Origin of the name “Joyplot” Tutorial on how to create...

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Isometric Hexmap using Tableau: a step-by-step guide
Aug10

Isometric Hexmap using Tableau: a step-by-step guide

As part of my participation in the Iron Viz 2020, I created a new type of visualisation using Tableau, which has received a lot of positive feedback. I called it ‘isometric hexmap’. In this article, I explain how to reproduce this type of representation and give you access to the source files. You can access the interactive version on Tableau Public. If you like this visualisation, feel free to leave a comment and to use...

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