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 …

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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 …

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Connect Tableau to An Excel File

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. Now that you downloaded the dataset in Excel file format, we’ll use Tableau to analyze this. We’ll connect to the dataset using the « Excel » option. Now that you downloaded the dataset which is in Excel format, we will use …

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Add Color

I have just enrolled in a Data Science course on Udemy and I learned good stuff. Podcast: In the last article, we created our calculated field « TotalSales » that you can see in «Measure » zone. In Tableau, the calculated field is very used (almost every time) because in most case the data don’t give the value …

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Navigate In Tableau

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. We’ll explore Tableau’s tools From the connection manager, we’ll go into the Tableau’s workspace. Click on the « Sheet1 » tab at the bottom of the window. Here is the Tableau’s workspace. The 2 important elements of the workspace are « Data » …

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