ggplot2 - Add "size"-legend for ggfluctuation plot in R -


i have made "heatmap" similar first 1 here (the grey one): https://stats.stackexchange.com/questions/9050/how-to-display-a-matrix-of-correlations-with-missing-entries

this done using ggfluctuation, part of ggplot2 package.

x=read.table(file="mydata.csv", sep =",", h=t)

row.names(x)<-x[,1]

x<-x[,2:3]

mat=data.matrix(x)

ggfluctuation(as.table(mat)) + theme(legend.position="none") + labs(x="", y="") + theme(axis.text.x = element_text(angle = 90, hjust = 1)) + scale_size_area() + labs(title = "main title")

1) make legend, indicates values corresponds diffent sizes of squares - possible

2 ) making multiple heat maps, scale squares same size corresponds same value in of heat maps. can done.


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