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Hi, I'm trying to save heatmaps as PDFs. However, the PDF version of the heatmaps (Heatmap_CAFvsTNF_run2.pdf) is blurred when compared to its counterpart, which was saved manually by using the software "Grab" (Heatmap_CAFvsTNF_run2.tiff). -----R code-------- sample_output <- "stroma_run2" filename <- "exp_limma_results_final_probesets_Pbelowpoint05.txt" # read in data my.data <- read.delim(filename, sep="\t") my.dataM <-my.data[,2:ncol(my.data)] hr <- hclust(as.dist(1-cor(t(my.dataM), method="pearson")),...

...elow). However, I haven't figured how to put asterisks on columns based on some extra information (such as "used/unused") as in Data set B i.e. asterisks at the top of the Index1 and Index3 columns. ---- R code ---- title = 'frequency' filename = 'testdata2.txt' sample_output = 'sequences' # read in data my.data <- read.delim(filename, sep="\t") # data from second column onward my.dataM <- my.data[,2:ncol(my.data)] # rownames in first column rownames <- my.data[,1] # define colours for the categories col = c ("red ","orang...