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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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 …

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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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A Pratical Tip To Validate Your Approach

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. How was the A/B test « Number Of Product » ? Easy or difficult ? Here is the result I found. I think you noticed there was something bizarre. There is an anomaly. We imagine that the more the client has products, 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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