Chi-Square Test With More Than 2 Categories

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. In this article, we will do a Chi-square test with more than 2 categories. We will use the A/B test « Country » which has 3 categories which corresponds to 3 countries : German, Spain and France. Select « Gender Actual » tab, make a copy with a right-click…

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Validate Data Mining In Tableau With A Chi-Square Test

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. In this article we will start using statistics. Don't worry we'll do something simple, we'll use the Chi-square test in a basic way. There is a special section to learn how to do statistics at an advanced level. I'll explain why we're going to…

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Boost Your Marketing Based On Science (Part 1)

I watched an Olivier Roland's video and I learned good stuff. Let's see what neuroscience found on things that influence people to buy. The book of Michel Badoc and Anne-Sophie Bayle-Touroulou « Le neuro-consommateur » (in french)  helps us better to understand this. It's a book that has been written for other researchers and academics. This is why this book is very interesting…

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Work With An Alias

I have just enrolled in a Data Science course on Udemy and I learned good stuff. In the last article, I showed you how to do a simple A/B test. We will continue with the result we had with the A/B test. Here is the result of the A/B test. What is in orange is the percentage of men who left…

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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 can see the labels in…

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Dataset For Data Mining

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. To have the dataset to do Data Mining, you need to go to the superdatascience website . In « Part.1 Visualization », you see the section « How to use Tableau for Data Mining ». Click on « Churn Modeling » to download the file. Once you have downloaded the…

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