#' An adapted function of the heatmapPlot
#' @export heatmapPlotAdaptedTriangle
heatmapPlotAdaptedTriangle <- function( input , selectValue = "score", cutOff = 1, npairs = 1, interactive = FALSE, lowColor = "#0000FF", highColor = "yellow", verbose = FALSE ) {
message("Checking the input object")
checkClass <- class(input)[1]
if(checkClass != "cAnalysis" & checkClass != "molecularcAnalysis"){
message("Check the input object. Remember that this
object must be obtained after applying the query
function to your input file. The input object class must
be:\"cAnalysis\" or \"molecularcAnalysis\"")
stop()
}
if(class(input)[1]== "cAnalysis"){
objInitial <- input@result
objDuplicated1 <- objInitial[ , c('disAcode' ,'disBcode', 'disA' ,'disB', 'AB', 'AnotB', 'BnotA' ,'notAnotB', 'fisher', 'oddsRatio', 'relativeRisk', 'phi' ,'expect' ,'score', 'correctedPvalue')]
objDuplicated2 <- objInitial[ , c('disBcode', 'disAcode', 'disB', 'disA', 'AB' ,'BnotA', 'AnotB' ,'notAnotB' ,'fisher', 'oddsRatio' ,'relativeRisk', 'phi' ,'expect', 'score' ,'correctedPvalue')]
colnames( objDuplicated2) <- c('disAcode' ,'disBcode', 'disA' ,'disB', 'AB', 'AnotB', 'BnotA' ,'notAnotB', 'fisher', 'oddsRatio', 'relativeRisk', 'phi' ,'expect' ,'score', 'correctedPvalue')
obj <- rbind( objDuplicated1, objDuplicated2)
obj <- obj[as.numeric(obj$AB) >= npairs, ]
column <- which(colnames(obj )==selectValue)
obj$value <- as.numeric(obj[,column])
if( selectValue == "correctedPvalue" | selectValue == "fisher"){
obj <- obj [as.numeric(obj$value) <= cutOff,]
}else{
obj <- obj [as.numeric(obj$value) >= cutOff,]
}
obj$disAdesc <- obj$disAcode
obj$disBdesc <- obj$disBcode
m <- max(as.numeric(obj [,column]))
n <- min(as.numeric(obj [,column]))
sortedCodesA <- unique(obj[with(obj, order(disAcode)), "disAdesc"])
sortedCodesB <- unique(obj[with(obj, order(disBcode)), "disBdesc"])
obj$disAdesc <- factor(obj $disAdesc , levels= as.factor(sortedCodesA))
obj$disBdesc <- factor(obj $disBdesc , levels= as.factor(sortedCodesB))
diseases <- unique(c( as.character(obj$disAdesc), as.character(obj$disBdesc)))
mydata <- as.data.frame( matrix( ncol=length(diseases), nrow=length(diseases)))
colnames(mydata) <- diseases[ order(diseases)]
rownames(mydata) <- diseases[ order(diseases)]
for( i in 1:ncol(mydata)){
dis1 <- colnames(mydata)[i]
for( j in 1:nrow(mydata)){
dis2 <- rownames(mydata)[j]
selection <- obj[ obj$disAdesc == dis1 & obj$disBdesc == dis2, ]
if(nrow(selection) == 0){
selection <- obj[ obj$disBdesc == dis1 & obj$disAdesc == dis2, ]
}
mydata[i,j] <- selection[1,"value"]
}
}
mydata[lower.tri(mydata)] <- NA
mydata <- as.data.frame(mydata)
mydata$dis <- rownames( mydata)
mydata <-(melt(mydata, 'dis', variable_name='variable'))
mydata$variable <- factor(mydata$variable, levels=rev(levels(mydata$variable)))
if( interactive == FALSE ){
p <- ggplot2::ggplot(mydata , ggplot2::aes ( variable, dis ) ) +
ggplot2::geom_tile(ggplot2::aes(fill = value), colour = "white") +
ggplot2::scale_fill_gradient(limits = c(n,m), low = lowColor, high = highColor, na.value = "white") +
ggplot2::theme_grey(base_size = 13) +
ggplot2::labs ( x = "ICD9 codes", y = "ICD9 codes") +
ggplot2::scale_x_discrete(expand = c(0, 0)) +
ggplot2::geom_text(ggplot2::aes(label = value ) ) +
ggplot2::theme( plot.margin = grid::unit ( x = c ( 5, 15, 5, 15 ), units = "mm" ),
axis.text.x = ggplot2::element_text ( angle = 45, size = 11, hjust = 1 ), panel.background = ggplot2::element_blank() )
p
}
}
}
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