Nothing
laws_constmat <-
function(B,DD,yy,pp,lambda,smooth,nb,center,constmat,types,LAWSmaxCores=1)
###### expectile regression according to eilers, schnabel
# parameters:
# formula - vector of responses ~ f(vector of independent,type="which base to use") + ...
# smooth - if smoothing with schall's algorithm, asymmetric cross validation or no smoothing shall be done
# lambda - smoothing penalty, important if no smoothing is done
{
nterms = length(nb)
m = length(yy)
np = length(pp)
if (length(lambda) < nterms)
lala = rep(lambda[1], nterms)
else
lala = lambda
dummy.reg <- function(pp,lala,smooth,yy,B,DD,nb,nterms,center)
{
#cat("Expectile: ",pp,"\n")
if(smooth == "schall")
{
sch = schall(yy,B,pp,DD,nb,lala,constmat,center,types)
lala = sch[[2]]
vector.a.ma.schall = sch[[1]]
diag.hat = sch[[3]]
} else {
if(smooth == "gcv") {
acv.min = nlminb(start = lala, objective = agcv, yy = yy, B = B, quantile = pp, DD = DD, nb = nb,
constmat = constmat,lower = 0, upper = 10000)
aa <- asyregpen.lsfit(yy, B, pp, abs(acv.min$par), DD, nb, constmat)
vector.a.ma.schall <- aa$a
lala <- abs(acv.min$par)
diag.hat = aa$diag.hat.ma
} else {
if(smooth == "aic") {
acv.min = nlminb(start=lala,objective=aicfun,yy=yy,B=B,quantile=pp,DD=DD,nb=nb, constmat=constmat,lower=0,upper=10000)
aa <- asyregpen.lsfit(yy, B, pp, abs(acv.min$par), DD, nb, constmat)
vector.a.ma.schall <- aa$a
lala <- abs(acv.min$par)
diag.hat = aa$diag.hat.ma
} else {
if(smooth == "bic") {
acv.min = nlminb(start=lala,objective=bicfun,yy=yy,B=B,quantile=pp,DD=DD,nb=nb, constmat=constmat,lower=0,upper=10000)
aa <- asyregpen.lsfit(yy, B, pp, abs(acv.min$par), DD, nb, constmat)
vector.a.ma.schall <- aa$a
lala <- abs(acv.min$par)
diag.hat = aa$diag.hat.ma
} else {
if(smooth == "cvgrid") {
lala = cvgrid(yy,B,pp,DD,nb,constmat,types)
aa <- asyregpen.lsfit(yy, B, pp, lala, DD, nb, constmat)
vector.a.ma.schall <- aa$a
diag.hat = aa$diag.hat.ma
} else {
if(smooth == "lcurve") {
lala = lcurve(yy,B,pp,DD,nb,constmat,types)
aa <- asyregpen.lsfit(yy, B, pp, lala, DD, nb, constmat)
vector.a.ma.schall <- aa$a
diag.hat = aa$diag.hat.ma
} else {
if(smooth == "ocv") {
acv.min = nlminb(start=lala,objective=aocv,yy=yy,B=B,quantile=pp,DD=DD,nb=nb, constmat=constmat,lower=0,upper=10000)
aa <- asyregpen.lsfit(yy, B, pp, abs(acv.min$par), DD, nb, constmat)
vector.a.ma.schall <- aa$a
lala <- abs(acv.min$par)
diag.hat = aa$diag.hat.ma
} else {
aa <- asyregpen.lsfit(yy, B, pp, lala, DD, nb, constmat)
vector.a.ma.schall <- aa$a
diag.hat = aa$diag.hat.ma
}
}
}
}
}
}
}
list(vector.a.ma.schall,lala,diag.hat)
}
if (.Platform$OS.type == "unix")
coef.vector = mclapply(pp,function(pp) dummy.reg(pp,lala,smooth,yy,B,DD,nb,nterms,center),mc.cores = max(1,min(detectCores()-1,LAWSmaxCores)))
else if (.Platform$OS.type == "windows")
coef.vector = mclapply(pp,function(pp) dummy.reg(pp,lala,smooth,yy,B,DD,nb,nterms,center),mc.cores = 1)
lala <- matrix(lambda, nrow=nterms, ncol=np)
vector.a.ma.schall <- matrix(NA, nrow=sum(nb)+(1*center),ncol=np)
diag.hat = matrix(NA,nrow=m,ncol=np)
for(i in 1:np)
{
vector.a.ma.schall[,i] = coef.vector[[i]][[1]]
lala[,i] = coef.vector[[i]][[2]]
diag.hat[,i] = coef.vector[[i]][[3]]
}
return(list(vector.a.ma.schall,lala,diag.hat))
}
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