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

Kai Yang y@ngk@|9999 @end|ng |rom y@hoo@com
Thu Aug 26 20:37:23 CEST 2021


 Hi All,
1. the eth is a data frame (not sure that based on error message?) that I load it from excel file. Here is the code: eth <- read_xlsx("c:/temp/eth.xlsx")
2. I try to use the code to convert eth into eth2, but I got error message:
> eth2 <- data.frame(eth)
Error in as.data.frame.default(x[[i]], optional = TRUE, stringsAsFactors = stringsAsFactors) : 
  cannot coerce class ‘"rxlsx"’ to a data.frame

So, it seems the data.frame can not do this data convert? Do you know which statement/function can do this?


thank you for your help.

    On Thursday, August 26, 2021, 09:33:51 AM PDT, Avi Gross via R-help <r-help using r-project.org> wrote:  
 
 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-bounces using 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 using 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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