Reshape your data frame into a long format and map the indexing variable to a suitable aesthetic like fill for example.
If you need more specific help, please provide a proper REPRoducible EXample (reprex) illustrating your issue.
Reshape your data frame into a long format and map the indexing variable to a suitable aesthetic like fill for example.
If you need more specific help, please provide a proper REPRoducible EXample (reprex) illustrating your issue.