Code and data accompanying "When are population connectome harmonics adequate representations of individual brains?"

This Zenodo record contains the MATLAB code and data accompanying the manuscript "When are population connectome harmonics adequate representations of individual brains?" The reproducibility package builds upon the Graph Signal Processing Toolbox (GSPTB) and provides the complete computational workflow used to evaluate the robustness, representativeness, and practical utility of population-derived connectome harmonics. The record contains four complementary archives: Paper2_Reproducibility.zip: MATLAB source code, the complete analysis and figure-generation pipeline, supporting functions, third-party dependencies, and documentation. Paper2_Data_Inputs.zip: Analysis-ready inputs and predefined population sampling splits required to execute the reproducibility workflow. Paper2_Data_Original.zip: Retained reference outputs from the original manuscript analyses, excluding redundant duplicate files. Paper2_Data_Validation.zip: Reference outputs generated during the final computational validation of the released workflow. The code archive and analysis-ready inputs are sufficient to rerun the computational analyses. The original and validation outputs are provided as additional reference materials, allowing users to examine historical results and compare new executions against the validated workflow. The repository reproduces the analyses and figures reported in the accompanying manuscript, including cross-pillar associations and comparisons of population-connectome construction strategies. The three data archives can be extracted into a common Paper2_Data/ directory, preserving the Inputs/, Original/, and Validation/subdirectories. See README.md for installation and execution instructions, DATA.md for the organization of the accompanying data, and VALIDATION.md for details of the computational validation. Source code: https://github.com/TiBiUan/Paper2_Reproducibility Third-party software: The code archive includes third-party utilities in the external/ directory. These components remain subject to their respective licenses and attribution requirements.