Nothing
arrayControls <- function (data = NULL, SFGHControlcode = controlCode, id = "ID")
{
if(missing(data)) stop("Missing input data")
gId <- as.vector(data[[id]])
Control <- rep("probes", length(gId))
for (i in 1:nrow(SFGHControlcode)) {
position <- grep(as.vector(SFGHControlcode[i, "Pattern"]),
gId)
if (length(position) > 0)
Control[position] <- as.vector(SFGHControlcode[i, "Name"])
}
return(Control)
}
arrayReplicates <- function(data=NULL, id="ID", cut=5)
{
if(missing(data)) stop("Missing input data")
if(!is.element(id, names(data)))
stop("Data type is not correct")
geneList <- as.vector(data[[id]])
y <- table(geneList)
Replicates <- names(y)[y > cut]
return(Replicates)
}
replicatesAvariance <- function(slide = NULL, id="ID")
{
if(missing(slide)) stop("Missing input data")
gprData <- readGPR(slide)
if(!is.element(id, names(gprData)))
stop("Can't identify the genes names")
Replicates <- arrayReplicates(gprData)
gId <- gprData[["ID"]]
index <- c()
for(r in Replicates){
for(i in 1:length(gId)){
if (r == gId[i]) index <- c(index,i)
}
}
if(length(index) == 0)
repA <- NA
else
{
repA <- (log.na(gprData[["RfMedian"]][index],2) +
log.na(gprData[["GfMedian"]][index],2))/2
}
varRepA <- var(repA, na.rm=TRUE)
return(varRepA)
}
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