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cperrone96/README.md

Hi, I'm Christina 👋

Molecular biologist and life-sciences researcher → data scientist → business analytics.

My background combines clinical and molecular diagnostics, research, and analytics. I use Python, SQL, statistics, and visualization to frame questions, work with data, and communicate bounded findings clearly. My public portfolio shows completed projects and coursework; it does not represent employer or client data.

I currently work as Founder and Principal at Data Design Dynamics, where I create business website analytics reporting systems to support measurement and decision-making. I have also implemented privacy-conscious GA4 reporting, custom key events, UTM attribution, funnel analysis, and visitor-journey reporting. Advertising analytics and the development of a targeted Google Ads campaign are in progress; no campaign performance results are claimed here.

🔧 Tools

Python · pandas · NumPy · scikit-learn · statsmodels · lifelines · R · SAS · SQL / SQLite · matplotlib · seaborn · Plotly / Dash · Folium · BeautifulSoup · Jupyter · BigQuery

⭐ Flagship decision products

  • Marketing Measurement Decision Studio — governed GA4 funnel, cohort, attribution, and conversion-ranking analysis with typed API contracts, a responsive evidence dashboard, and explicit privacy and metric boundaries. Uses public-obfuscated and synthetic data rather than client data.
  • CKD Launch Intelligence — public-data healthcare analysis with survey-weighted indicators, leakage-controlled model comparison, source-specific landscapes, typed API contracts, and a responsive evidence dashboard. Synthetic journey methods are clearly separated from public evidence.

🧫 Featured projects — life-sciences statistics

  • Clinical-Trial Survival Analysis — completed portfolio project using survival-analysis methods across Python, R, and SAS; it is not professional clinical-study work.
  • Experimental Design & Statistical Inference — completed synthetic-data project covering prospective power, assumption diagnostics, ANOVA, Welch sensitivity, multiplicity-controlled contrasts, and effect-size uncertainty.
  • Dose-Response IC50 Analysis — completed synthetic-data dose-response modeling project with 4-parameter-logistic fitting and uncertainty reporting.
  • Differential Gene-Expression — completed portfolio project using differential-expression methods with synthetic data labeled where applicable.

📊 Featured projects — healthcare and commercial analytics

  • Hospital Readmission Prediction — portfolio project: 30-day hospital-readmission modeling on 101,766 encounters across 130 hospitals using leakage-safe preprocessing and classification evaluation. This is not employer data, patient-care work, or a clinical deployment.
  • Medical-Sales Churn & Revenue Forecasting — synthetic B2B medical-device portfolio project for churn modeling and forecasting; data, customers, and outcomes are not from an employer or client.

🛠️ Coursework and additional projects

🧬 Background

BS in Neurobiology, UC Irvine · IBM Data Science Professional Certificate (completed February 27, 2025) · Google Developer Program member · AI Leadership skill badge in progress

📫 Reach me: admin@datadesigndynamics.org

Pinned Loading

  1. clinical-trial-survival-analysis clinical-trial-survival-analysis Public

    Survival analysis of the GBSG2 breast-cancer trial (Kaplan-Meier, log-rank, Cox PH) implemented in Python, R, and SAS.

    Python

  2. differential-gene-expression differential-gene-expression Public

    RNA-seq case-control differential expression: PCA, per-gene testing with FDR correction, volcano plot, validated on synthetic data.

    Python

  3. dose-response-ic50-analysis dose-response-ic50-analysis Public

    Dose-response analysis and IC50 determination (4PL curve fitting, Z'-factor assay QC) in Python and R.

    Python

  4. experimental-design-inference experimental-design-inference Public

    Applied biostatistics: a-priori power analysis, ANOVA, Tukey HSD post-hoc, and effect sizes on a multi-arm study.

    Jupyter Notebook

  5. hospital-readmission-prediction hospital-readmission-prediction Public

    Predicting 30-day hospital readmission for diabetic patients (UCI 130-hospitals, 100k+ encounters) with scikit-learn.

    Python

  6. medical-sales-churn-forecasting medical-sales-churn-forecasting Public

    B2B medical-device account churn prediction and Holt-Winters revenue forecasting on reproducible synthetic data.

    Python