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library_name: pyaging
tags:
- pyaging
- aging-clock
- biology
- dna-methylation
---
# stoch
Stochastic chronological-age clock built from simulated methylation trajectories at the Horvath clock CpGs; it is a stochastic counterpart, not the original Horvath clock.
Model weights retain the original authors' terms; the pyaging software license does not relicense them.
| | |
|---|---|
| **Predicts** | chronological age |
| **Species** | Homo sapiens |
| **Tissue** | sorted monocytes |
| **Data type** | DNA methylation |
| **Model type** | elastic net regression |
| **Year** | 2024 |
## Use with pyaging
```python
import pyaging as pya
pya.pred.predict_age(adata, ["stoch"])
```
Browse every clock in the [pyaging Clock Catalogue](https://pyaging.readthedocs.io).
## Citation
Tong, Huige, et al. "Quantifying the stochastic component of epigenetic aging." Nature Aging 4 (2024): 886–901.
https://doi.org/10.1038/s43587-024-00600-8
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