During December 2024, this developer enhanced two repositories by delivering four new features focused on data accuracy and advanced analytics. In the CfRR_Courses repository, they refreshed the About Us page to improve content accuracy and updated documentation to streamline user feedback and acknowledge contributors. For the BrainFANS repository, they advanced the sex prediction algorithm by introducing custom thresholds, mixture models, and improved reporting, while also implementing robust file permission controls to support normalized beta values during data processing. Their work leveraged R, Jupyter Notebook, and Markdown, demonstrating strengths in bioinformatics, statistical modeling, and comprehensive documentation practices throughout the development process.