How can I remove the plot border?
library(ggplot2)
library(ggthemes)
ggplot(cars, aes(speed, dist)) + geom_point() + theme_clean()
> sessionInfo()
R version 4.1.2 (2021-11-01)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 19044)
Matrix products: default
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] ggthemes_4.2.4 ggplot2_3.3.6
loaded via a namespace (and not attached):
[1] magrittr_2.0.1 tidyselect_1.1.1 munsell_0.5.0 colorspace_2.0-2 R6_2.5.1
[6] rlang_0.4.12 fansi_1.0.2 stringr_1.4.0 dplyr_1.0.7 tools_4.1.2
[11] grid_4.1.2 gtable_0.3.0 utf8_1.2.2 withr_2.4.3 ellipsis_0.3.2
[16] digest_0.6.29 tibble_3.1.6 lifecycle_1.0.1 crayon_1.4.2 farver_2.1.0
[21] purrr_0.3.4 vctrs_0.3.8 glue_1.6.0 labeling_0.4.2 stringi_1.7.6
[26] compiler_4.1.2 pillar_1.6.5 generics_0.1.1 scales_1.1.1 pkgconfig_2.0.3