r - Graph with node size depending on another dataset -


i new in r , trying plot graph different connections of political parties, though account of flow of money trying make vertices size proportional finances. have made adjacency matrix allowed me draw first network plot trying account size gives results nodes on each other.

this using:

plot(my_second_network,   layout = layout.grid,   vertex.label=toupper(1:16),   vertex.size = flow1$tt,   vertex.shape = "square",   vertex.color="white",   vertex.frame.color= "black",   vertex.label.color = "black",   vertex.label.family = "sans",   vertex.label.cex=1,   edge.width=2,   edge.color="black")


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