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Introduction and must-know statistical concepts for data analysis and data science
Olga Berezovsky
Using machine learning to solve common challenges in product and data analytics. How to figure out which model to use for which business case.
Olga Berezovsky
3
How to get the frequency of usage and create a user activity histogram for user engagement analysis in SQL.
Olga Berezovsky
2
How to get the most popular features, products, or user activity in SQL
Olga Berezovsky
A practical guide on how to locate and measure a tricky product persona of adjacent users in SQL, and challenges of getting such analysis in product…
Olga Berezovsky
An analysis to find the right threshold of the most impactful frequency of user communication
Olga Berezovsky
How to read and run correlation plots in Python Pandas
Olga Berezovsky
A case study challenge breakdown for a senior data scientist position at one of the biggest Bay Area companies completed in Python
Olga Berezovsky
My favorite blogs and newsletters to read about data and product analysis, data science, and data engineering.
Olga Berezovsky
7
Monitoring and reporting of SaaS health. Challenges and caveats.
Olga Berezovsky
A quick lookup one-pager for common DATE functions in SQL
Olga Berezovsky
Methods and logic for getting retention for different business types. How to read and visualize cohorted retention.
Olga Berezovsky
© 2023 Olga Berezovsky
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