error message:
|
geom_path: Each group consist of only one observation. Do you need to adjust the group aesthetic? |
solution
|
You only have to add group = 1 into the ggplot or geom_line aes(). |
reference weblinks
error message in R: Error in .Call.graphics(C_palette2, .Call(C_palette2, NULL))
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- 作者： kaiwu
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