12.-Customer-research-of-a-telecom-company.

Yandex-Praktikum-Projects-Portfolio

14.-SQL-queries-and-database-analysis.

9.-Analysis-of-the-behavior-of-mobile-application-users.

8.-Analysis-of-the-market-of-public-catering-establishments-in-Moscow.

11.-Development-of-a-strategy-for-interaction-with-clients-of-fitness-centers.

13.-Evaluation-of-AB-test-results.

7.-AB-hypothesis-test-to-increase-the-revenue-of-an-online-store.