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I have a cluster plot (with 13 clusters) created by igraph in R. Each cluster has a different color. But I have not idea how add a legend with the name of each cluster and its correspondent color. I don,t want the name of the node and its color (thousands of sequences)

Any idea? Thank you

L.C
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    It's easier to help you if you include a simple [reproducible example](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) with sample input and desired output that can be used to test and verify possible solutions. – MrFlick Nov 04 '19 at 16:27
  • Possible duplicate: https://stackoverflow.com/questions/46197910/synchronise-colors-between-plot-and-legend – MrFlick Nov 04 '19 at 16:27

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