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, Seán On Tue, 30 Dec 2025 at 01:34, Dirk Eddelbuettel <[email protected]> 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 | [email protected] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-package-devel > [[alternative HTML version deleted]] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
