How do you add borders onto a heatmap created by the pheatmap R package? -

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i creating heatmap using following code:

    pheatmap(tissuedata3,     color = colorramppalette(rev(c("#d73027", "#fc8d59", "#fee090", "#ffffbf", "#e0f3f8", "#91bfdb", "#4575b4")))(100),     cellwidth = 20, cellheight = 2.8,     border=true,     treeheight_row=0,     treeheight_column=0,     kmeans_k = na,     show_rownames = t, show_colnames = t,     fontsize=2,     scale="none",     clustering_method = "complete",     cluster_rows = false, cluster_cols = true,     clustering_distance_rows = "euclidean",      clustering_distance_cols = "euclidean",     legend=true,     )

however, resulting heatmap not contain borders. know how add borders cells , heatmap whole?

i think correct parameter border_color default "grey60", suspected (incorrectly turned out) getting partial name match argument "border" value becomes colors()[1] [1] "white".

try:

library(pheatmap) pheatmap(tissuedata3, color = colorramppalette(rev(c("#d73027", "#fc8d59", "#fee090", "#ffffbf", "#e0f3f8", "#91bfdb", "#4575b4")))(100), cellwidth = 20, cellheight = 3,   # changed 3 border_color="blue", treeheight_row=0, treeheight_column=0, kmeans_k = na, show_rownames = t, show_colnames = t, fontsize=2, scale="none", clustering_method = "complete", cluster_rows = false, cluster_cols = true, clustering_distance_rows = "euclidean",  clustering_distance_cols = "euclidean", legend=true )

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