Changes in version 1.9.8: o Make ChAMP package suitable for both 450K array and EPIC array. o Updated BMIQ normalization to newest version. o Add champ.refbase function to do reference-based cell proportion detection and correction. o Add champ reffree function to do reference-free EWAS. o removed champ.lasso function, but added champ.DMR function, which combined bumphunter algorithm and probe lasso algorithm to detect DMRs. o Updated a new version of vignette.