Nothing
cnvBatches<-function(intensities, batches, threshold.0, threshold.k, common.pi = TRUE, ...){
batches <- as.character(batches)
bb <- sort(unique(batches))
nb <- length(bb)
pb <- prop.table(table(batches))
means <- sds <- pi <- NULL
out <- rep(NA, length(intensities))
mixtures <- list()
for (i in 1:length(bb)){
yy.i <- intensities[batches==bb[i]]
cnv.i <- cnvDefault(yy.i, , , , , threshold.0, threshold.k, ...)
means <- rbind(means, attr(cnv.i,"means"))
sds <- rbind(sds, attr(cnv.i,"sds"))
pi <- rbind(pi, attr(cnv.i,"pi"))
mixtures[[i]] <- attr(cnv.i, "mixture")
}
k <- attr(cnv.i, "k")
if (!missing(threshold.0) & !missing(threshold.k) & k<4)
return(cnv(intensities,threshold.0 = threshold.0, threshold.k = threshold.k, ...))
if (common.pi){
pi <- pb%*%pi
pi <- matrix(rep(pi,nb),nrow=nb,byrow=TRUE)
}
pp <- matrix(0, nrow = length(intensities), ncol = k)
for (i in 1:length(bb))
pp[batches==bb[i]] <- sapply(1:k, function(j) dnorm(intensities[batches==bb[i]], means[i, j], sds[i, j]) * pi[i, j])
if (!missing(threshold.0))
pp[intensities<threshold.0,]<-matrix(rep(rep(1:0,c(1,k-1)),sum(intensities<threshold.0)),ncol=k,byrow=TRUE)
if (!missing(threshold.k))
pp[intensities>threshold.k,]<-matrix(rep(rep(0:1,c(k-1,1)),sum(intensities>threshold.k)),ncol=k,byrow=TRUE)
pp <- pp/rowSums(pp)
if (length(bb) == 1)
mixtures <- mixtures[[1]]
out <- apply(pp, 1, which.max)
num.copies <- attr(cnv.i, "num.copies")
out <- num.copies[out]
attr(out, "probabilities") <- pp
attr(out, "means") <- means
attr(out, "sds") <- sds
attr(out, "pi") <- pi
rownames(attr(out, "pi")) <- rownames(attr(out, "means")) <- rownames(attr(out, "sds")) <- bb
attr(out, "k") <- k
attr(out, "meanRatio") <- intensities
attr(out, "num.copies") <- num.copies
attr(out, "batches") <- batches
attr(out, "mixture") <- mixtures
k <- attr(cnv.i, "k")
class(out) <- "cnv"
out
}
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