Nothing
setMethod(f = "getbias",signature = "CGHdata",
definition = function(.Object,CGHo,mu,bias,phi=c(),tau=c()){
P = length(phi)/3
nplust = apply(Reduce("rbind",.Object@Y),2,FUN = function(x){sum(!is.na(x))})
M = length(names(.Object@Y))
GCeffect = 0
if (CGHo["calling"] == FALSE){
if (CGHo["GCnorm"] =="linear"){
z = mapply(names(.Object@Y), FUN = function(m){
nk = mu[[m]]$end-mu[[m]]$begin+1
muk = mu[[m]]$mean
return(.Object@Y[[m]]-rep(muk,nk)-bias$waveffect)
})
y = apply(z,1,FUN=function(x){sum(x,na.rm=TRUE)})/nplust
GCeffect = lm(y ~ poly(.Object@GCcontent,2))$fitted.values
}
z = mapply(names(.Object@Y), FUN = function(m){
nk = mu[[m]]$end-mu[[m]]$begin+1
muk = mu[[m]]$mean
return(.Object@Y[[m]]-rep(muk,nk)-GCeffect)
})
} else if (CGHo["calling"] ==TRUE){
n.com = length(.Object@Y[[1]])
nk = lapply(mu,FUN=function(x){length(x$mean)})
end = cumsum(nk)
begin = c(1,end[1:(length(end)-1)]+1)
rupt = cbind(begin,end)
row.names(rupt) = names(nk)
taulist = apply(rupt,1,FUN = function(y){
tmp = data.frame(matrix(tau[y[1]:y[2],],ncol=P))
colnames(tmp) = paste(rep("tau",P),c(1:P),sep="")
return(tmp)
})
A = lapply(1:M,FUN = function(y){cbind(mu[[y]],taulist[[y]])})
names(A) = names(mu)
if (CGHo["GCnorm"] =="linear"){
z= mapply(1:P,FUN = function(p){
D= mapply(names(.Object@Y),FUN=function(m){
nk = A[[m]]$end-A[[m]]$begin+1
taup = A[[m]][,p+3]
u = (.Object@Y[[m]]-phi[p]-bias$waveffect)*rep(taup,nk)
return(u)
})
return(apply(D,1,FUN=function(x){sum(x,na.rm=TRUE)}))
})
y = apply(z,1,FUN=function(x){sum(x,na.rm=TRUE)})/nplust
GCeffect = lm(y ~ poly(.Object@GCcontent,2))$fitted.values
}
z= mapply(1:P,FUN = function(p){
D= mapply(names(.Object@Y),FUN=function(m){
nk = A[[m]]$end-A[[m]]$begin+1
taup = A[[m]][,p+3]
u = (.Object@Y[[m]]-phi[p]-GCeffect)*rep(taup,nk)
return(u)
})
return(apply(D,1,FUN = function(x){sum(x,na.rm=TRUE)}))
})
}
waveffect = apply(z,1,FUN=function(x){sum(x,na.rm=TRUE)})/nplust
if (CGHo["wavenorm"]=="spline"){
waveffect = smooth.spline(c(1:length(waveffect)),waveffect)$y
}
waveffect = waveffect - mean(waveffect,na.rm=TRUE)
invisible(list(waveffect=waveffect,GCeffect=GCeffect))
}
)
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