[R-SIG-Mac] Failure using geom_polygon with 2D facet_grid: 1D works
dw|n@em|u@ @end|ng |rom comc@@t@net
Mon Jun 13 06:48:52 CEST 2022
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Sent from my iPhone
> On Jun 12, 2022, at 4:05 PM, John Helly via R-SIG-Mac <r-sig-mac using r-project.org> wrote:
> I'm trying to add a state map boundary to a 2D facet_grid in ggplot
> which plots correlations against principal components (PC).
> The 1D case works but I cannot discover what is causing the failure in
> the 2D case. It may be a limit to facet_grid in some way or, more
> likely, something I don't understand.
> ggplot(A0G, aes(Longitude, Latitude, color=Correlation)) +
> + geom_point(size=2*abs(A0G$Correlation)) +
> + geom_polygon(data = ca_df, aes(x=Longitude, y=Latitude, fill = NA,
> color = "black")) +
> + facet_grid(rows=vars(A0G$Lag), cols=vars(A0G$PC))
> Error in `$<-.data.frame`(`*tmp*`, "PANEL", value = c(4L, 3L, 5L, 10L, :
> replacement has 11112 rows, data has 516
> The issue seems related to the dimensions of the map df and the data df
> but I can't grok the problem since it works in the 1D case.
>  516 6
>  11112 18
> Any suggestions welcome. I'll just keep breaking the problem down if
> there isn't anything obvious.
> John Helly, University of California, San Diego / San Diego Supercomputer Center / Scripps Institution of Oceanography / 760 840 8660 mobile /http://www.sdsc.edu/~hellyj
> ORCID ID: orcid.org/0000-0002-3779-0603
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