CellChat
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The arrow of the netVisual_aggregate() function is too large...
How I change the size of the arrows in the top source-target-source section?
netVisual_aggregate(cellchat, signaling = "PECAM2", vertex.receiver = vertex.receiver, layout='hierarchy', arrow.width = 0.05,arrow.size = 0.1,edge.label.cex=0.1)