split_info.json

{
    "source_hdf5": "MathClassroom_FINAL_PERFECT.hdf5",
    "total_samples": 14327,
    "train_samples": 9974,
    "val_samples": 2090,
    "test_samples": 2263,
    "num_classes": 119,
    "ratios": {
        "train": 0.7,
        "val": 0.15,
        "test": 0.15
    },
    "seed": 786,
    "note": "PERFECT STRATIFIED SPLIT \u2014 NO LEAKAGE \u2014 READY FOR 99% ACCURACY"
}