I'm trying to find a way to graph something like this in R:

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It is a transition between states, I want the boxes to be equal to the population size and the arrows to indicate the size of the transition. I've looked at the Diagram package but it's flow charts seem too crude for this.

  1. Is there a better package that allows this?
  2. If 1 == FALSE: Is there some other software that is better suited?
  3. If 1 & 2 == FALSE: I guess the last resort is grid rectangles and bezier curved arrows, any ideas how to quickly get this off the ground?
r plot flowchart
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