Per-beat correlation against a record-specific normal-beat template, MIT-BIH Long-Term ECG (7 records, 14-22 h each, 128 Hz). One scalar per heartbeat: normal beats saturate near 1.0; ectopic beats (V, A, F, S) drop proportionally to morphology deviation and recover on the next normal beat. Stays-at-max + episodic-downward-spike phenotype.
Standard analysis sees: heavy-tailed; left-skewed; high-complexity (noise-like); low-dimensional. The atlas additionally detects Attractor Reconstruction:lyap_entropy. It sits beside Zipf Distribution in the atlas (standard-bank rank 149) — a neighbor conventional features miss.
Nonstationarity:change_quantiles_low | +5.0z | bank-miss 2.9σ |
Piecewise-Linear:envelope_area | +3.3z | bank-miss 3.0σ |









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| Nearest neighbor | Distance | |
|---|---|---|
| Earthquake Magnitudes | 3.75 | cross-origin |
| Multiplicative Cascade | 3.85 | cross-origin |
| Zipf Distribution | 4.02 | cross-origin |
Attractor Reconstruction › Attractor Reconstruction:embedding_divergence_sum | rank 4/307 | 2.6029 |
Attractor Reconstruction › Attractor Reconstruction:lyap_entropy | rank 4/307 | 3.7543 |
Catch24 › Catch24:DN_Mean | rank 2/307 | 0.9361 |
Hölder Regularity › Hölder Regularity:holder_std | rank 2/307 | 1.9109 |
Nonstationarity › Nonstationarity:change_quantiles_low | rank 2/307 | 0.1666 |