SANDAG/ABM
Oct 2024 – Sep 2025
12 Months active
Languages Used
PythonYAMLBatchCSVMarkdownCMDcsvproperties
Technical Skills
API IntegrationActivitySimBackend DevelopmentBug FixCode RefactoringConfiguration Management
JoeJimFlood
PROFILE
Joejimflood
Joe Flood developed and maintained core features for the SANDAG/ABM repository, focusing on robust configuration management, data processing, and model reliability. He engineered a centralized Settings Manager, enabling dynamic runtime configuration and streamlined deployment, and refactored key modules to support maintainable, scalable workflows. Using Python and YAML, Joe improved data preprocessing pipelines, automated file handling, and enhanced simulation accuracy for transportation modeling. His work included bug fixes in mode choice and skims, CLI tooling for developer efficiency, and comprehensive documentation updates. The depth of his contributions ensured reproducible deployments, reduced maintenance overhead, and improved the overall stability of the codebase.
Overall Statistics
Feature vs Bugs
70%Features
Repository Contributions
229Total
Bugs
27
Commits
229
Features
63
Lines of code
9,348
Activity Months12
Your Network
9 people
Work History
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for SANDAG/ABM focusing on the Release 15.3.1 Update, bug fixes, and configuration enhancements to support reliable deployments and improved user experience.
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for SANDAG/ABM focusing on the Release 15.3.1 Update, bug fixes, and configuration enhancements to support reliable deployments and improved user experience.
September 2025
August 2025
21 Commits • 4 Features
Aug 1, 2025Month: 2025-08 Concise monthly summary focusing on business value and technical achievements for the SANDAG/ABM repository. Delivered features and fixes that improve scheduling reliability, skim correctness, and maintainability, while ensuring clear stakeholder-facing documentation. Overall impact: - Stabilized crossborder scheduling and skim handling, reducing data inconsistencies and merge-conflict risk in production planning flows. - Streamlined settings management with a standalone workflow and CLI, enabling external execution and faster configuration changes without EMME UI dependency. - Improved model accuracy and preprocessing robustness in mode choice and ebike utilities, reducing edge-case errors in rider mode selection. - Clearer release communication and MGRA documentation aligned to 1.4 release, boosting downstream integration readiness. Key features delivered (with direct business value): - Standalone Settings Manager Features: new standalone scripts and CLI integration (enables external execution, reduces deployment friction), and improved prompts/documentation for user guidance. Commits: fa76121b, cd5d9991, 75e3e06d. - Release Notes and Documentation Updates: updated release-notes and MGRA docs to reflect latest PRs and release context, improving release transparency for stakeholders. Commits: c51a7b30, 7acbc60b, 9438be99, fa9f6ec9. - Maintenance: Remove Unused Config Files: cleanup that reduces config drift and simplifies maintenance. Commit: 70316fe0. - Settings Manager Script Cleanup and Documentation: removed redundant scripts, clarified usage, and improved documentation prompts. Commits: c1e82ad77, 06972928, 7555691a, ca7f09fa, f78988dd. - Transit Subsidy Spec Condition Removal (Bug Fix): simplified spec by removing an unnecessary subsidy condition; safer, more predictable chooser behavior. Commit: a1969dac. Major bugs fixed: - Crossborder Tour Scheduling and Skims Adjustments: corrected scheduling spec file, reverted to previous crossborder probabilities, resolved merge conflicts, and corrected skim handling using od_skims.reverse and time-independent skim reads. Commits: b8009b7a, 4230a495, d6712016, 21e3f1f4, 563eaf50d4e6. - Skims/Mode Choice and Resident Preprocessing Bug Fixes: prevented time-dependent bike skims in resident preprocessing; corrected ebike utility calculation from logical-and to multiplication (fixes #207). Commits: 993c417f, 65a29ab1260966f62760e07103960ee6f0c356d0. - Transit Subsidy Spec Condition Removal: removed subsidy availability condition from spec (choosers already filtered). Commit: a1969dac. Technologies/skills demonstrated: - Python scripting and data preprocessing for skims and mode choice, including careful handling of time-dependent data and utility calculations. - Version-control discipline with focused commits to fix spec, preprocess, and documentation gaps. - CLI tooling and standalone scripting to improve developer and operational workflows. - Documentation quality improvements (release notes, MGRA docs, user prompts) to enhance stakeholder communication and onboarding.
August 2025
21 Commits • 4 Features
Aug 1, 2025Month: 2025-08 Concise monthly summary focusing on business value and technical achievements for the SANDAG/ABM repository. Delivered features and fixes that improve scheduling reliability, skim correctness, and maintainability, while ensuring clear stakeholder-facing documentation. Overall impact: - Stabilized crossborder scheduling and skim handling, reducing data inconsistencies and merge-conflict risk in production planning flows. - Streamlined settings management with a standalone workflow and CLI, enabling external execution and faster configuration changes without EMME UI dependency. - Improved model accuracy and preprocessing robustness in mode choice and ebike utilities, reducing edge-case errors in rider mode selection. - Clearer release communication and MGRA documentation aligned to 1.4 release, boosting downstream integration readiness. Key features delivered (with direct business value): - Standalone Settings Manager Features: new standalone scripts and CLI integration (enables external execution, reduces deployment friction), and improved prompts/documentation for user guidance. Commits: fa76121b, cd5d9991, 75e3e06d. - Release Notes and Documentation Updates: updated release-notes and MGRA docs to reflect latest PRs and release context, improving release transparency for stakeholders. Commits: c51a7b30, 7acbc60b, 9438be99, fa9f6ec9. - Maintenance: Remove Unused Config Files: cleanup that reduces config drift and simplifies maintenance. Commit: 70316fe0. - Settings Manager Script Cleanup and Documentation: removed redundant scripts, clarified usage, and improved documentation prompts. Commits: c1e82ad77, 06972928, 7555691a, ca7f09fa, f78988dd. - Transit Subsidy Spec Condition Removal (Bug Fix): simplified spec by removing an unnecessary subsidy condition; safer, more predictable chooser behavior. Commit: a1969dac. Major bugs fixed: - Crossborder Tour Scheduling and Skims Adjustments: corrected scheduling spec file, reverted to previous crossborder probabilities, resolved merge conflicts, and corrected skim handling using od_skims.reverse and time-independent skim reads. Commits: b8009b7a, 4230a495, d6712016, 21e3f1f4, 563eaf50d4e6. - Skims/Mode Choice and Resident Preprocessing Bug Fixes: prevented time-dependent bike skims in resident preprocessing; corrected ebike utility calculation from logical-and to multiplication (fixes #207). Commits: 993c417f, 65a29ab1260966f62760e07103960ee6f0c356d0. - Transit Subsidy Spec Condition Removal: removed subsidy availability condition from spec (choosers already filtered). Commit: a1969dac. Technologies/skills demonstrated: - Python scripting and data preprocessing for skims and mode choice, including careful handling of time-dependent data and utility calculations. - Version-control discipline with focused commits to fix spec, preprocess, and documentation gaps. - CLI tooling and standalone scripting to improve developer and operational workflows. - Documentation quality improvements (release notes, MGRA docs, user prompts) to enhance stakeholder communication and onboarding.
July 2025
13 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for SANDAG/ABM focusing on delivering business value through targeted feature work, environment/documentation improvements, and release readiness. Key outcomes include default disabling of travel time reporting for resident tour mode, environment and docs modernization for asim_140, library compatibility fixes, and comprehensive release notes/PR tracking for v15.3.0. The work enhances modeling reliability, onboarding, and deployment readiness while maintaining stability across dependencies.
13 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for SANDAG/ABM focusing on delivering business value through targeted feature work, environment/documentation improvements, and release readiness. Key outcomes include default disabling of travel time reporting for resident tour mode, environment and docs modernization for asim_140, library compatibility fixes, and comprehensive release notes/PR tracking for v15.3.0. The work enhances modeling reliability, onboarding, and deployment readiness while maintaining stability across dependencies.
July 2025
June 2025
12 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for SANDAG/ABM focusing on reliable model runs, reproducible deployments, and codebase modernization.
June 2025
12 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for SANDAG/ABM focusing on reliable model runs, reproducible deployments, and codebase modernization.
May 2025
38 Commits • 10 Features
May 1, 2025May 2025 performance highlights: Delivered centralized, scalable settings management for SANDAG/ABM with key integrations (airport and CVM settings) and consolidation of tokenization logic into master settings. Refactored the Settings Manager into a reusable module, removing the external CLI wrapper and adding a safe reset-settings script to reduce configuration risk. Implemented crossborder settings corrections with spelling and naming consistency, and updated release notes to reflect latest PRs. Improved config handling and runtime tooling, including fixes to store_settings, enhanced property management, and Pandas 2 compatibility. Documentation improvements for crossborder annotator and settings manager expectations, enabling faster onboarding and consistent usage across teams.
38 Commits • 10 Features
May 1, 2025May 2025 performance highlights: Delivered centralized, scalable settings management for SANDAG/ABM with key integrations (airport and CVM settings) and consolidation of tokenization logic into master settings. Refactored the Settings Manager into a reusable module, removing the external CLI wrapper and adding a safe reset-settings script to reduce configuration risk. Implemented crossborder settings corrections with spelling and naming consistency, and updated release notes to reflect latest PRs. Improved config handling and runtime tooling, including fixes to store_settings, enhanced property management, and Pandas 2 compatibility. Documentation improvements for crossborder annotator and settings manager expectations, enabling faster onboarding and consistent usage across teams.
May 2025
April 2025
28 Commits • 7 Features
Apr 1, 2025In April 2025, delivered a centralized Settings Manager framework for SANDAG/ABM, enabling runtime propagation of configuration to master_run, activation scripts, and build steps, and ensuring CVM updates receive current settings. Strengthened configuration reliability and resilience across the ABM pipeline with targeted fixes and enhancements. Consolidated key settings into master/abm3 settings files and recurring YAML constants to improve consistency and deployment speed. Improved error diagnostics and parsing robustness around curly-brace handling, and implemented safeguards to protect critical configuration files.
April 2025
28 Commits • 7 Features
Apr 1, 2025In April 2025, delivered a centralized Settings Manager framework for SANDAG/ABM, enabling runtime propagation of configuration to master_run, activation scripts, and build steps, and ensuring CVM updates receive current settings. Strengthened configuration reliability and resilience across the ABM pipeline with targeted fixes and enhancements. Consolidated key settings into master/abm3 settings files and recurring YAML constants to improve consistency and deployment speed. Improved error diagnostics and parsing robustness around curly-brace handling, and implemented safeguards to protect critical configuration files.
March 2025
14 Commits • 5 Features
Mar 1, 2025Monthly summary for 2025-03 covering SANDAG/ABM developments. Focused on reliability, data pipeline efficiency, and modeling capability improvements with measurable business value and technical rigor.
14 Commits • 5 Features
Mar 1, 2025Monthly summary for 2025-03 covering SANDAG/ABM developments. Focused on reliability, data pipeline efficiency, and modeling capability improvements with measurable business value and technical rigor.
March 2025
February 2025
8 Commits • 2 Features
Feb 1, 2025February 2025 – SANDAG/ABM: Delivered clarity in EV rebate configuration, resolved critical crashes, fixed batch script parsing, and modernized environment/configuration management. These changes improved policy configurability, system stability, and developer onboarding while reducing setup time and run-time failures.
February 2025
8 Commits • 2 Features
Feb 1, 2025February 2025 – SANDAG/ABM: Delivered clarity in EV rebate configuration, resolved critical crashes, fixed batch script parsing, and modernized environment/configuration management. These changes improved policy configurability, system stability, and developer onboarding while reducing setup time and run-time failures.
January 2025
14 Commits • 7 Features
Jan 1, 2025January 2025 (2025-01) focused on CALIBRATION, configurability, and maintainability for SANDAG/ABM. Delivered key features to enhance scenario planning fidelity, reduce runtime overhead, and centralize parameter management, while strengthening documentation and environment reliability. The work lays groundwork for more robust automated calibration and easier governance of parameter values.
14 Commits • 7 Features
Jan 1, 2025January 2025 (2025-01) focused on CALIBRATION, configurability, and maintainability for SANDAG/ABM. Delivered key features to enhance scenario planning fidelity, reduce runtime overhead, and centralize parameter management, while strengthening documentation and environment reliability. The work lays groundwork for more robust automated calibration and easier governance of parameter values.
January 2025
December 2024
15 Commits • 4 Features
Dec 1, 2024December 2024 monthly summary for SANDAG/ABM: Focused on delivering features for flexible fleet boarding, EBike travel time simplification, and documentation/release improvements, complemented by configuration cleanup to improve usability and maintainability. These efforts deliver tangible business value in granular transit analysis, more accurate reporting, and streamlined maintenance for long-term product quality.
December 2024
15 Commits • 4 Features
Dec 1, 2024December 2024 monthly summary for SANDAG/ABM: Focused on delivering features for flexible fleet boarding, EBike travel time simplification, and documentation/release improvements, complemented by configuration cleanup to improve usability and maintainability. These efforts deliver tangible business value in granular transit analysis, more accurate reporting, and streamlined maintenance for long-term product quality.
November 2024
53 Commits • 15 Features
Nov 1, 2024November 2024 — SANDAG/ABM: Major refactors, safer config handling, and data quality improvements that enhance reliability, performance, and business value. Key work includes refactoring Travel Time Reporter and TAZ Skims processing to simplify data flow and reduce unnecessary computations; enhancement of Output Tables and settings handling with resume-after-write support; improved Active Skims processing and data model fixes with vectorized reads and correct MAZ-level naming; safer config loading (yaml.safe_load) and filesystem-based config discovery; and Travel Time Reporter threshold tuning and export alignment to reflect updated travel-time windows. These changes deliver faster processing, more stable deployments, and clearer, export-consistent data for decision-making.
53 Commits • 15 Features
Nov 1, 2024November 2024 — SANDAG/ABM: Major refactors, safer config handling, and data quality improvements that enhance reliability, performance, and business value. Key work includes refactoring Travel Time Reporter and TAZ Skims processing to simplify data flow and reduce unnecessary computations; enhancement of Output Tables and settings handling with resume-after-write support; improved Active Skims processing and data model fixes with vectorized reads and correct MAZ-level naming; safer config loading (yaml.safe_load) and filesystem-based config discovery; and Travel Time Reporter threshold tuning and export alignment to reflect updated travel-time windows. These changes deliver faster processing, more stable deployments, and clearer, export-consistent data for decision-making.
November 2024
October 2024
12 Commits • 3 Features
Oct 1, 2024October 2024 monthly summary for SANDAG/ABM focusing on delivering business-value features, stabilizing the workflow with the latest framework, and ensuring robust data handling for travel-time calculations and skim data.
October 2024
12 Commits • 3 Features
Oct 1, 2024October 2024 monthly summary for SANDAG/ABM focusing on delivering business-value features, stabilizing the workflow with the latest framework, and ensuring robust data handling for travel-time calculations and skim data.
Activity
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Quality Metrics
Correctness90.8%
Maintainability92.2%
Architecture88.8%
Performance86.0%
AI Usage20.4%
Skills & Technologies
Programming Languages
BatchCMDCSVMarkdownPropertiesPythonTXTTextYAMLcsv
Technical Skills
API IntegrationActivitySimAlgorithm ImplementationAlgorithm RefinementAutomationBackend DevelopmentBehavioral ModelingBug FixBug FixingBuild ScriptingCode CleanupCode OrganizationCode QualityCode RefactoringCommand-line Interface
Repositories Contributed To
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