- Hi, I’m @bchaoss, a business data analyst.
- Interested in business analysis and analytics engineering.
- Happy to connect at: bcsong24@gmail.com / linkedin
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PMF-Semantics
PMF-Semantics PublicSemantic layer / dbt package for quantitative Product-Market Fit (PMF) analytics — Growth Accounting, Cohort Analysis, and Distribution (Tribe Capital framework).
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forecasting-driver-monitor-skill
forecasting-driver-monitor-skill PublicAI agent skill to turn forecast models into driver-level monitoring systems with sensitivity-derived alerts, semantic layer mapping, and variance analysis.
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dbt-DiD-pre-period-selector
dbt-DiD-pre-period-selector Publicdbt package to automate automates pre-period selection for Difference-in-Differences (DiD) analysis in pure SQL.
Python 1
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incremental-SVD
incremental-SVD PublicAn implementation of improved incremental Singular Value Decomposition(iSVD) algorithm
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US-Tariff-What-Didnt-and-What-Did
US-Tariff-What-Didnt-and-What-Did PublicDecomposition analysis of the impact of 2025 Trump tariffs on US goods imports and consumer burden
Python 1
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dbt-binning
dbt-binning PublicManage SQL range binning via configuration tables instead of repetitive CASE WHEN statements.
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