## 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 …

## 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 …

## Create Bins and View Distributions

I have just enrolled in a Data Science course on Udemy  and I learned good stuff. It’s cool, you finished the 1st part. Now we’re going to do more deep Data Mining analysis with this bank’s dataset. To make these analyzes more deep, we’ll create a more statistical approach. To do that we will create …

## 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 …

## 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 do this, click on the « Clear Sheet » button. To start we need to create a …

## 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 » …