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Dylan H. Morris

PROFILE

Dylan H. Morris

Worked extensively on the cdcepi/FluSight-forecast-hub repository, delivering influenza and COVID-19 forecast data exports, model configuration updates, and data pipeline enhancements to support public health decision-making. Leveraged Python and JavaScript to build and maintain robust data engineering workflows, focusing on time series forecasting, metadata management, and geospatial analysis. Improved data accuracy and timeliness by implementing regular forecast data refreshes, expanding geographic coverage, and ensuring versioned, auditable releases. Addressed critical bugs to restore stability and maintain data integrity. Emphasized CI/CD practices, code quality, and configuration management, resulting in reliable, maintainable forecasting infrastructure for epidemiological modeling and downstream analytics.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

23Total
Bugs
2
Commits
23
Features
8
Lines of code
58,915
Activity Months6

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for the FluSight-forecast-hub (cdcepi/FluSight-forecast-hub): Delivered a PyRenew Forecasts Data Refresh for Feb 18, 2026 to align forecasts with the latest data, improving forecast accuracy and timeliness for February 2026. The update was implemented via a targeted data refresh commit in the repository.

December 2025

1 Commits

Dec 1, 2025

For 2025-12 in the FluSight-forecast-hub repository, the month centered on a critical data accuracy fix for PyRenew forecasts. Updated the PyRenew forecasts table to reflect the latest December 24, 2025 data, ensuring forecasts stay aligned with current observations and preserving the integrity of flu-trend projections used by stakeholders. This fix improves forecast reliability for decision-makers and maintains historical traceability through a single commit. No new user-facing features were introduced this month; the focus was on data correctness, robustness, and maintainability of the forecasting data layer.

November 2025

3 Commits • 1 Features

Nov 1, 2025

Month: 2025-11; For repository cdcepi/FluSight-forecast-hub, delivered targeted features and fixed critical issues to enhance forecast data quality and stability. Key outcomes include improved forecast accuracy and geographic coverage, restored functionality after unintended deletions, and a solid base for ongoing data freshness and governance. This work supports better public health decision-making and reduces operational risk while showcasing Python data pipelines, data engineering, and Git discipline.

March 2025

10 Commits • 3 Features

Mar 1, 2025

March 2025 monthly summary for the FluSight-forecast-hub repository (cdcepi). Focused on delivering forecast data exports, expanding and cleaning datasets, and strengthening model governance and data distribution for public health planning.

February 2025

5 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary focusing on two primary feature deliverables across two repositories, with no explicit major bugs documented in the provided data. Key features delivered: 1) Pre-commit Hooks Version Upgrades for Development Environment in CDCgov/wastewater-informed-covid-forecasting to improve code quality, consistency, and security; commit 421b8c5259d30c325ce5d2edc3c3b76047b61994. 2) Influenza forecast data exports (Pyrenew_H_Flu) added in cdcepi/FluSight-forecast-hub, providing CSV exports with detailed forecasts across horizons and locations including quantile values to support monitoring and public health decision-making; commits eight files across four commits: 8f81d122ac0d2558c9bce1ad0d32566ed4245d29, d3a01e60b5188760472385cc12955bbaef537808, 1a5abf3e8e77f0076f674a65640f8dc356d465c8, 4eb278e52b7204bef8cb294644f4afc9294a1bb1. 3) Overall impact: improved development hygiene, more reliable data exports for public health surveillance, enabling faster insights and decision-making. 4) Technologies/skills demonstrated: pre-commit tooling and configuration, Python-based data export pipelines, CSV generation, version control hygiene, cross-repo collaboration.

January 2025

3 Commits • 1 Features

Jan 1, 2025

January 2025: Delivered new influenza forecast CSV releases for Pyrenew_H_Flu and Pyrenew (H1N1) with daily forecasts across locations and horizons and quantile values. Updated FluSight-forecast-hub model-output data to align with forecasting workflows and downstream analysis. This work enhances data timeliness, accessibility, and reproducibility for public health decision-making and supports ongoing forecasting efforts.

Activity

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Quality Metrics

Correctness98.2%
Maintainability98.2%
Architecture98.2%
Performance97.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSVJavaScriptPythonYAML

Technical Skills

CI/CDCode QualityConfigurationData AnalysisData EngineeringData ManagementData SubmissionDevOpsEpidemiological ModelingForecastingJavaScriptMetadata ManagementModel ConfigurationModel ManagementPublic Health

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

cdcepi/FluSight-forecast-hub

Jan 2025 Feb 2026
6 Months active

Languages Used

CSVYAMLJavaScriptPython

Technical Skills

Data EngineeringData SubmissionEpidemiological ModelingForecastingTime Series AnalysisTime Series Forecasting

CDCgov/wastewater-informed-covid-forecasting

Feb 2025 Feb 2025
1 Month active

Languages Used

YAML

Technical Skills

CI/CDCode QualityDevOps