| tile.plot | R Documentation | 
Tile.plot Plots a matrix as tile with color according to intensity
tile.plot(adj.mat, max.color.value = 0.8, text.size = 3, brewer.set = "Set1")
| adj.mat | is the input matrix, with named rows and columns and numerical cells | 
a ggplot2 tile plot
data(pe13)
mat                  <- data.frame(degree = pe13$Degree...1, reach = pe13$Reach, memberships = pe13$Memberships)
rownames(mat)        <- as.character(pe13$Name)
adj.mat              <- t(as.matrix(mat[1:20,]))
tile.plot(adj.mat)
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