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]
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