PinnedDesigning Machine Learning Experiment and Interpreting Experimental ResultsIntroductionMay 20, 2021May 20, 2021
Reverse Balance Fact Tables with dbt and Snowflake: Streamlining Point-in-Time ReportingThe Reverse Balance fact table is designed to track historical changes and report additive and semi-additive measures at a specific point…Jan 6Jan 6
Segmentation Custom Materialization dbt Package: from SQL to Python dbt modelI created a dbt package to segment customers or any other entities. It builds SQL or Python (SnowPark) transformation from SQL dbt model…Dec 15, 2024Dec 15, 2024
Enhancing SCD2 in dbt: Custom Materialization for Creating Complex Slowly Changing Dimensions Type…Slowly Changing Dimension Type 2 (SCD2) tables are an essential component of data warehousing, designed to handle changes in dimension data…Nov 29, 20242Nov 29, 20242
What Women Talk AboutRussian women or even more specific middle-aged, mostly middle-class women from Moscow.Feb 8, 2022Feb 8, 2022
Nadeau and Bengio corrected t-test Python code is wrong!1. #compute the total number of data pointsMay 21, 2021May 21, 2021
End? Evolving maybe.Many analytics can not extract knowledge even from structural data. What can they learn from a data ocean of unstructured data?May 12, 20211May 12, 20211
Well, without cross validation, generalized score, standard error, significance test, the output is…Apr 26, 20211Apr 26, 20211