Data in Sgr B2(N)

This repository contains the data used for column density prediction in the Sagittarius B2(N) region. This dataset is compiled from molecular column density tables reported in the peer-reviewed literature, specifically from: "The physical and chemical structure of Sagittarius B2. VIII. Full molecular line survey of hot cores." All data included here are derived from previously published results. No new observational data are introduced. The purpose of this repository is to provide a curated,machine-readable version of the published tables to facilitate reuse, reproducibility, and data-driven modeling. The dataset is provided as a single ZIP archive. After decompression, it contains 20 folders labeled A01–A20, each corresponding to one sub-region / sample in Sgr B2(N). Each folder includes 7 data files representing the associated molecular or physical features used in the prediction tasks. The dataset is organized as follows: - A01–A20: Each folder represents one sample or sub-region in Sgr B2(N), containing 7 data files. - training_data: Training data without explicit sample indices. - training_data_total: Training data with explicit sample indices added for unified indexing. - testing_data: Testing data without explicit sample indices. - testing_data_total: Testing data with explicit sample indices added for unified indexing. - training_label: Column density labels corresponding to the training data. - testing_label: Column density labels corresponding to the testing data. - total_data: The complete dataset combining both training and testing data. The indexed (“_total”) versions are provided to facilitate reproducible data splitting, unified indexing across samples, and direct use in machine learning workflows. The non-indexed versions preserve the original data organization.