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Universal And Unique Principles

I watched an Olivier Roland’s video  and I learned good stuff. I noticed that there is an approach to selling a service or product, especially used by coaches, which is based on the principle that « everyone is different ». Say like that, it’s hard not to agree with this principle because everyone is unique and everyone […]

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Combine 2 charts

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. We’ll move to the next level. We’ll work with 2 bar charts in parallel to have a more efficient data mining. In a previous article, we created 2 different bar charts. The 1st was an A/B test (actually, it’s

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Add a Reference Line

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. In the previous article we learned how to work with aliases. We will learn how to add a reference line in our bar chart. Before I start, I’ll show you a trick in Tableau. In our bar chart we

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