[R] ggplot question

Kai Yang y@ngk@|9999 @end|ng |rom y@hoo@com
Wed Sep 15 19:49:54 CEST 2021

Hello List,
I use ggplot to draw a stack bar chart. but I error message. please look it below:

> ggplot(s8_plot, aes(fill=GTresult, y=cases, x=gc_label) + 
+   geom_bar(position="stack", stat="identity"))

Error: Mapping should be created with `aes()` or `aes_()`.

GTresult and gc_label are character variables, cases is numeric variable. How to fix the problem?
Thank you

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