[R] ggplot error of "`data` must be a data frame, or other object coercible by `fortify()`, not an S3 object with class rxlsx"

[Thierry Onkelinx]

eth is not a dataframe but of the class rxlsx. You'll need to convert eth
into a dataframe.

ir. Thierry Onkelinx
Statisticus / Statistician

Vlaamse Overheid / Government of Flanders
INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND
FOREST
Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance
thierry.onkelinx using inbo.be
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www.inbo.be

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Op do 26 aug. 2021 om 17:53 schreef Kai Yang via R-help <
r-help using r-project.org>:

> 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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>
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