[R-pkg-devel] Falling gracefully in subsequent code
Minor detail Rafael, you're probably as well staying away from the name df as stats::df is the density of the F distribution... and yes, we've all done it :-) Kindest regards, Se?n
On Tue, 30 Dec 2025 at 01:34, Dirk Eddelbuettel <edd at debian.org> wrote:
On 29 December 2025 at 21:34, Rafael H. M. Pereira wrote: | # code causing the error | | library(aopdata) | library(ggplot2) | df <- aopdata::read_population | <https://ipeagit.github.io/aopdata/reference/read_population.html>( | city = 'Fortaleza', year = 2010, geometry = TRUE, showProgress = | FALSE ) ## Are we not just talking about adding a test for null here? if (!is.null(df)) { | ggplot() + | geom_sf(data=subset(df, P001>0), aes(fill=P001), color=NA, alpha=.8) + | scale_fill_distiller(palette = "YlOrRd", direction = 1)+ | labs(title='Population distribution', fill="Total population") + | theme_void() } # -- if (!is.null()) Dirk -- dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org
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