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rahelMA

PROFILE

Rahelma

Rahel Mandaroux developed and maintained advanced climate and economic modeling features across the remindmodel/remind and pik-piam/mrremind repositories, focusing on scenario configuration, data harmonization, and emissions modeling. She engineered robust R and GAMS-based modules for carbon pricing, policy scenario analysis, and data ingestion, ensuring models reflected current policy and emissions baselines. Her work included refactoring data pipelines for cluster compatibility, enhancing CI/CD workflows, and improving documentation and version control. By updating configuration management and integrating new scenario definitions, Rahel delivered reliable, reproducible results that improved model accuracy, deployment readiness, and traceability, demonstrating strong skills in R programming, data processing, and configuration management.

Overall Statistics

Feature vs Bugs

68%Features

Repository Contributions

37Total
Bugs
7
Commits
37
Features
15
Lines of code
1,438
Activity Months7

Work History

October 2025

3 Commits • 1 Features

Oct 1, 2025

October 2025 performance summary for pik-piam/piamInterfaces. Delivered two major updates in building stock data for ScenarioMIP: enhanced floor space mapping and normalized package metadata. Business impact includes improved data accuracy for downstream analytics, cleaner packaging metadata, and strengthened maintainability. Demonstrated proficiency in data modeling, packaging/version governance, and metadata management within Python-based data pipelines.

September 2025

8 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for developer work across remindmodel/remind and pik-piam/mrremind. Key features delivered include updating the emissions baseline to 2015 across multiple config and module files to align model calculations with a 2015 reference year, and packaging/CI improvements for release readiness in mrremind (versioning, validation keys, and Codecov integration). Major bugs fixed include reverting test configuration changes that caused unstable behavior, correcting GAMS data input file paths to the proper fm_factorTargetyear.cs3r, and improving GHG factor calculations with 2015 reference year updates and unit normalization to Mt CO2eq/yr, plus improved knownLow country mapping. Overall, these changes improve data accuracy, model reliability, reproducibility, and streamlined release processes, delivering greater business value through credible results, faster release cycles, and better traceability. Technologies/skills demonstrated include data harmonization, configuration management, GAMS data handling, unit consistency, CI/CD integration, and release automation.

August 2025

3 Commits • 2 Features

Aug 1, 2025

Concise monthly summary for 2025-08 focusing on delivered features, major fixes, and business impact. Highlights include cluster-ready emissions target calculation enhancements with LULUCF data processing in pik-piam/mrremind, and the removal of an obsolete SSA carbon price switch in remindmodel/remind to simplify the pricing model and configuration.

July 2025

6 Commits • 3 Features

Jul 1, 2025

July 2025 monthly summary for remindmodel/remind. Delivered major scenario enhancements, integrated JustMIP reference scenarios, updated ELEVATE configuration, and expanded scenario definitions with tightened parameters. Completed repository maintenance to improve data quality, planning accuracy, and reporting readiness.

March 2025

9 Commits • 2 Features

Mar 1, 2025

Month: 2025-03 — Monthly work summary focused on delivering high-impact features, enforcing data integrity, and enabling advanced climate-economic scenarios across two repositories (remindmodel/remind and pik-piam/mrremind). The month combined critical bug fixes, template/config improvements, and new pricing/scenario capabilities, all with clear traceability to commits and releases.

February 2025

4 Commits • 2 Features

Feb 1, 2025

February 2025 performance highlights: Delivered major enhancements to climate data ingestion and policy scenario configuration across two repositories, strengthening REMIND's ability to model PBL policy data and diverse national technology policies. Implemented an R-based readNewClimate module, refined data handling, removed obsolete technologies, and updated packaging and documentation; added Technology Policy Scenario Configuration to expand NPIs and targets, with improved input bounds. These changes increase modeling accuracy, flexibility, and deployment readiness, delivering measurable business value for policy analyses and planning.

November 2024

4 Commits • 3 Features

Nov 1, 2024

November 2024 monthly summary focusing on delivering refreshed data and enhanced scenario modeling for NPi2025 across two repositories. In pik-piam/mrremind, updated the MRRemind R package to reflect NPi2025 pricing and incorporated the latest CSV data, ensuring the package uses current information for its operations. In remindmodel/remind, added NPi2025 carbon price realizations with both linear and exponential growth models, including new configuration files to enable nuanced scenario analyses. Documentation and changelog updated to clarify carbon price assumptions in realization.gms, mark the unused parameter cm_co2_tax_growth, and publish release notes reflecting NPi2025, NPi2025expo, and NPiexpo. Overall improvements enhance data freshness, model configurability, and traceability, driving more accurate analyses and better decision support.

Activity

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Quality Metrics

Correctness84.8%
Maintainability86.0%
Architecture81.2%
Performance76.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSVGAMSMarkdownRYAML

Technical Skills

Bug FixingCI/CDCarbon PricingClimate ModelingClimate Policy AnalysisClimate Policy ModelingCode DocumentationConfigurationConfiguration ManagementData AnalysisData ConfigurationData ExportData InputData Input ConfigurationData Input/Output

Repositories Contributed To

3 repos

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

remindmodel/remind

Nov 2024 Sep 2025
6 Months active

Languages Used

GAMSMarkdownCSVR

Technical Skills

Climate Policy AnalysisConfiguration ManagementDocumentationScenario ModelingClimate ModelingData Configuration

pik-piam/mrremind

Nov 2024 Sep 2025
5 Months active

Languages Used

MarkdownRYAML

Technical Skills

Data managementR package developmentClimate Policy AnalysisData ProcessingData processingDocumentation

pik-piam/piamInterfaces

Oct 2025 Oct 2025
1 Month active

Languages Used

CSVR

Technical Skills

ConfigurationData MappingData mappingPackage ManagementR package managementVersion Control

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