Description: BrokenAdaptiveRidge is an R package for performing L_0-based regressions using Cyclops
Reference: Kawaguchi ES, Suchard MA, Liu Z, Li G. A surrogate ℓ0 sparse Cox's regression with applications to sparse high-dimensional massive sample size time-to-event data. Stat Med. 2020 Mar 15;39(6):675-686. doi: 10.1002/sim.8438. Epub 2019 Dec 8. PMID: 31814146; PMCID: PMC8386178.