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space-lumps/README.md

Hi, I'm Corin ("ker-RIN")

✦ Data Analyst ✦

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About Me

I turn complex datasets into clear, decision-ready stories through rigorous cleaning, validation, and thoughtful analysis. Committed to reproducible workflows, thorough testing, and presenting findings in ways that directly support business priorities and stakeholder understanding.

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🚀 Featured Projects

End-to-end projects solving real problems — from messy raw data to trusted, impactful analytics.

Business Value
Enables clinical operations and quality teams to identify overdose cohorts, readmission risks, and opioid patterns — supporting targeted interventions, better resource use, and outcome monitoring.

Tools · SQL, PostgreSQL, window functions, QA validation

Highlights

  • Precise encounter-level cohorts with clinical filters
  • Risk feature engineering (readmits, meds, mortality flags)
  • Built-in data quality checks for audit reliability

Business Value
Establishes a clean, trustworthy data foundation for sales, customer, and ops reporting — eliminating downstream errors in trends, segmentation, and forecasting.

Tools · Python, pandas, pytest, GitHub Actions, parquet

Highlights

  • Modular pipeline with separation of concerns
  • Schema enforcement and validation
  • Automated tests + profiling reports
  • Full portfolio structure: docs, data dictionary, samples

Business Value
Converts unstructured feedback into prioritized actions — detects pain points early, tracks negative trends, correlates sentiment to satisfaction/churn metrics.

Tools · Python, BigQuery, SQL, LLM integration, visualization

Highlights

  • Scalable automated sentiment scoring
  • Trend dashboards and BigQuery-native storage
  • Structured insights from unstructured text

Business Value
Provides a single trusted user view for acquisition ROI, LTV segmentation, churn risk by channel/location — powers marketing optimization and retention.

Tools · dbt, BigQuery, SQL, YAML, CI/CD

Highlights

  • Geospatial hierarchy + multi-path attribution
  • Comprehensive schema tests and quality checks
  • Modular, BI-ready models

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Business Value
Tracks liquidity, yields, volatility, and USD strength to contextualize crypto/investment timing and risk — highlights macro tailwinds/headwinds.

Tools · JavaScript, Chart.js, automation, static site

Highlights

  • Time-series charts with crypto-relevant explanations
  • Daily automated updates
  • Clean, public-facing design

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Languages

SQL Python

Data Libraries

pandas NumPy

BI & Visualization Tools

Excel Power BI Tableau Looker Studio

Cloud & Data Platforms

BigQuery dbt

Version Control & CI/CD

Git GitHub GitHub Actions


GitHub Streak

Top Languages

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Seeking roles:

Data Analyst Product Analyst Business Analyst

Exploring opportunities to deliver reliable data insights, support decision-making, and improve processes.
Reach out on LinkedIn — happy to connect!
👋


LinkedIn Portfolio Site (Coming Soon)

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  1. macro-financial-indicators macro-financial-indicators Public

    Daily-updating dashboard of macroeconomic financial market indicators (FRED, St. Louis Fed) with explanations of relevance to crypto markets.

    JavaScript 2

  2. ecommerce-data-cleaning ecommerce-data-cleaning Public

    Structured data-cleaning pipeline built on the Olist e-commerce dataset, focusing on reproducible ingestion, schema profiling, and light standardization using Python and pandas. Emphasizes clear pi…

    Python

  3. bigquery-dbt-user-dimension bigquery-dbt-user-dimension Public

    dbt project showcasing a clean, testable user 360 dimension in BigQuery. Resolves hierarchical locations, unifies multi-path attribution, and delivers a BI-ready mart with deduplication, schema tes…

    SQL

  4. user-feedback-sentiment-bq user-feedback-sentiment-bq Public

    Automated LLM-based sentiment analysis of user feedback with interactive visualizations for trends and insights.

    Python

  5. healthcare-analytics-sql healthcare-analytics-sql Public

    Healthcare analytics SQL project focused on defining clean encounter-level cohorts, deriving patient and visit features, and validating data quality through explicit QA checks. The repository empha…

    SQL

  6. data-engineering-zoomcamp data-engineering-zoomcamp Public

    A collection of data engineering projects focused on building practical, end-to-end pipelines.

    Jupyter Notebook