You are most likely to get good help with your R problem if you provide a reproducible example. A reproducible example allows someone else to recreate your problem by just copying and pasting R code.
There are four things you need to include to make your example reproducible: required packages, data, code, and a description of your R environment.
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Packages should be loaded at the top of the script, so it's easy to see which ones the example needs.
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The easiest way to include data in an email is to use dput() to generate