BMIQcalibration         Calibrate methylation data to a gold standard.
GSE121961               GSE121961 methylation data
GSE121961_pheno         GSE121961 phenotypes
clean_beta              Clean beta-matrix.
elasticnet_model        Elastic net model used in the muscle clock.
epiage_estimation       Estimates age in skeletal muscle from
                        calibrated DNA methylation profiles.
gold.mean               Mean methylation in dataset GSE50498
