## 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…

## 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…

## 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…

## 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…

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.…

## 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 »…

## Label And Format

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. Our bar chart has colors by region but imagines that this bar chart is on a wall of an open space or in…

## Create A Calculated Field

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. Now is the time to solve the problem of who is winning the bonus. The first thing to do is clean the dashboard. To…