Error message popped up

[dlsweet]

I'm not sure what that error message means without being able to recreate it through a reprex but if you copied that code exactly, you need `` around Water Type, so it should be:

ggplot(Data,
aes(x = `Water type`, y = Aeromonas)) +
geom_boxplot(fill='lightblue', color='blue') +
geom_point(color='darkblue')

If that doesn't work, look here to make a reprex:

FAQ: What's a reproducible example (`reprex`) and how do I create one?

Why reprex? Getting unstuck is hard. Your first step here is usually to create a reprex, or reproducible example. The goal of a reprex is to package your code, and information about your problem so that others can run it and feel your pain. Then, hopefully, folks can more easily provide a solution. What's in a Reproducible Example? Parts of a reproducible example: background information - Describe what you are trying to do. What have you already done? complete set up - include any library() calls and data to reproduce your issue. data for a reprex: Here's a discussion on setting up data for a reprex make it run - include the minimal code required to reproduce your error on the data…