zhangen / README.md
lucascamillomd's picture
Refresh citation counts and audited metadata (2026-10-02)
6305957 verified
|
Raw History Blame Contribute Delete
1.02 kB
metadata
library_name: pyaging
tags:
  - pyaging
  - aging-clock
  - biology
  - dna-methylation

zhangen

Elastic-net chronological-age predictor released from the largest multi-cohort training set, using 514 selected CpGs from predominantly blood plus saliva data.

Model weights retain the original authors' terms; the pyaging software license does not relicense them.

Predicts chronological age
Species Homo sapiens
Tissue whole blood, saliva
Data type DNA methylation
Model type elastic net regression
Year 2019

Use with pyaging

import pyaging as pya

pya.pred.predict_age(adata, ["zhangen"])

Browse every clock in the pyaging Clock Catalogue.

Citation

Zhang, Q., Vallerga, C.L., Walker, R.M. et al. Improved precision of epigenetic clock estimates across tissues and its implication for biological ageing. Genome Medicine 11, 54 (2019).

https://doi.org/10.1186/s13073-019-0667-1