Data Analysis Journal
Product AnalysisA/B testingWhat experts saySQLPythonMachine LearningMore More
What are user segmentation techniques? How to locate your Power users? How to do user segmentation analysis in SQL?
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Product and business metrics descriptions, breakdowns, and overviews.
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A roundup of my favorite tutorials for data analysts to either get started with or upkeep existing Python skills
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Introduction into churn - how to calculate churn rate, the best way to report it, and why it can be difficult to understand.
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A case study challenge for a senior analyst position at one of the biggest Bay Area companies completed in Python
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A recap of data analysis publications, guides, and news over the past month.
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SQL window function QUALIFY, its use-cases, and overview of SQL optimization practice
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How to extract and transform features from raw data for analysis or machine learning
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Data Analysis Journal


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