Jupyter Notebook Praktikum Projects. This is repository with data analyst educational projects from Yandex.Praktikum.

This project uses Python and Jupyter Notebook to perform time-based Cohorts Analysis to assess and compare retention, order items quantity and order revenue of different customer cohorts.

Retention Rate is defined as the number of customers who continue to use a product/service. Retention rate is measured as the number of returning users, at a regular interval such as every week or month, grouped by their week of signup, in this project I'll be exploring an online retail dataset and create a retention cohort analysis in Jupyter N…