setAs("RnBeadSet", "RnBeadRawSet", function(from){
    new(Class = RnBeadSet,
        pval.sites = from@pval.sites,
        pval.regions = from@pval.regions,
        qc = from@qc,
        pheno = from@pheno,
        sites = from@sites,
        meth.sites = from@meth.sites,
        covg.sites = from@covg.sites,
        regions = from@regions,
        meth.regions = from@meth.regions,
        covg.regions = from@covg.regions,
        status = from@status,
        assembly = from@assembly,
        target = from@target,
        inferred.covariates = from@inferred.covariates,
        version = from@version)
  })