Nothing
####################################################
##### Augmented and Penalized Minimization #####
##### APML0 (L1/L2/Laplacian+L0) #####
##### Penalty: L0, L1, L2, Laplacian #####
##### Algorithm: one-step coordinate descent #####
####################################################
APML0=function(x, y, family=c("gaussian", "binomial", "cox"), penalty=c("Lasso","Enet", "Net"), Omega=NULL, alpha=1.0, lambda=NULL, nlambda=50, rlambda=NULL, wbeta=rep(1,ncol(x)), sgn=rep(1,ncol(x)), nfolds=1, foldid=NULL, ill=TRUE, iL0=TRUE, icutB=FALSE, ncutB=10, ifast=TRUE, isd=FALSE, iysd=FALSE, ifastr=TRUE, keep.beta=FALSE, thresh=1e-6, maxit=1e+5, threshC=1e-5, maxitC=1e+2, threshP=1e-5) {
#fcall=match.call()
family=match.arg(family)
penalty=match.arg(penalty)
if (penalty=="Net" & is.null(Omega)) {
penalty="Enet"
cat("Enet was performed as no input of Omega")
}
if (penalty %in% c("Enet","Net") & alpha==1.0) {
penalty="Lasso"
cat("Lasso was performed as alpha=1.0")
}
if (alpha!=1.0) {
if (is.null(Omega)) {
penalty="Enet"
} else if (!is.null(Omega)) {
penalty="Net"
}
} else {
penalty="Lasso"
}
wbeta=abs(wbeta)
fit=switch(family,
"gaussian"=LmL0(x,y,Omega,alpha,lambda,nlambda,rlambda,wbeta,sgn,nfolds,foldid,ill,iL0,icutB,ncutB,ifast,isd,iysd,keep.beta,thresh,maxit),
"binomial"=LogL0(x,y,Omega,alpha,lambda,nlambda,rlambda,wbeta,sgn,nfolds,foldid,iL0,icutB,ncutB,ifast,isd,keep.beta,thresh,maxit,threshC,maxitC,threshP),
"cox"=CoxL0(x,y,Omega,alpha,lambda,nlambda,rlambda,wbeta,sgn,nfolds,foldid,iL0,icutB,ncutB,ifast,isd,ifastr,keep.beta,thresh,maxit))
fit$family=family
#fit$call=fcall
class(fit)="APML0"
return(fit)
}
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