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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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
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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I have just enrolled in a Data Science course on Udemy and I learned good stuff. We’ll learn how to duplicate a bar char to create a new A/B test. We’ll create several A/B test to look for anomalies. But before that, we’ll name the sheet. Right-click on the tabe and select « Rename Sheet ». Rename
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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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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.
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I have just enrolled in a Data Science course on Udemy and I learned good stuff. After downloading the file « OfficeSupplies.csv », you will open this file with Tableau. When you open Tableau, there is a « Connect » column : Click on « Text File » and open the file « OfficeSupplies.csv » : The connection manager appears for this source file : At
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I have just enrolled in a Data Science course on Udemy and I learned good stuff. This is the 1st challenge. Use your web browser to go to superdatascience website to download a data set. In the « Part 1 Visualization » section, click on « Offices Supplies » to download the file « OfficeSupplies.csv ». To organize myself, I created a
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