Kai,
The answer is fairly probable to find if you examine your variable "eth" as
that is the only time you are being asked to provide the argument as in
"ggplot(data=eth, ..) ...)
As the message states, it expects that argument to be a data frame or something
it can change into a data.frame. What you gave it probably is an object meant
to represent an EXCEL file or something. You may need to extract a data.frame
(or tibble or ...) from it before passing that to ggplot.
Avi
-----Original Message-----
From: R-help <r-help-boun...@r-project.org> On Behalf Of Kai Yang via R-help
Sent: Thursday, August 26, 2021 11:53 AM
To: R-help Mailing List <r-help@r-project.org>
Subject: [R] ggplot error of "`data` must be a data frame, or other object
coercible by `fortify()`, not an S3 object with class rxlsx"
Hello List,
I got an error message when I submit the code below ggplot(eth, aes(ymax=ymax,
ymin=ymin, xmax=4, xmin=3, fill=ethnicity)) + geom_rect() +
coord_polar(theta="y") + xlim(c(2, 4) )
Error: `data` must be a data frame, or other object coercible by `fortify()`,
not an S3 object with class rxlsx
I checked the syntax. But I can not find any error on my code. Can you help me
to find where is the problem?
Thanks
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