Running examples in ‘eechidna-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: aec_add_carto_f
> ### Title: aec_add_carto_f - computes and binds the cartogram coordinates
> ###   to original data
> ### Aliases: aec_add_carto_f
> 
> ### ** Examples
> 
> library(eechidna)
> library(dplyr)

Attaching package: ‘dplyr’

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union

> library(ggplot2)
> 
> nat_map16 <- nat_map_download(2016)
trying URL 'https://github.com/ropenscilabs/eechidna/raw/master/extra-data/nat_map16.rda'
Content type 'application/octet-stream' length 197 bytes
==================================================
downloaded 197 bytes

> nat_data16 <- nat_data_download(2016)
trying URL 'https://github.com/ropenscilabs/eechidna/raw/master/extra-data/nat_data16.rda'
Content type 'application/octet-stream' length 197 bytes
==================================================
downloaded 197 bytes

> 
> nat_data16 <- nat_data16 %>% select(-c(x,y)) # remove existing cartogram coordinates
Error: Can't subset columns that don't exist.
✖ The column `x` doesn't exist.
Backtrace:
     █
  1. ├─nat_data16 %>% select(-c(x, y))
  2. │ ├─base::withVisible(eval(quote(`_fseq`(`_lhs`)), env, env))
  3. │ └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
  4. │   └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
  5. │     └─`_fseq`(`_lhs`)
  6. │       └─magrittr::freduce(value, `_function_list`)
  7. │         ├─base::withVisible(function_list[[k]](value))
  8. │         └─function_list[[k]](value)
  9. │           ├─dplyr::select(., -c(x, y))
 10. │           └─dplyr:::select.data.frame(., -c(x, y))
 11. │             └─tidyselect::vars_select(tbl_vars(.data), !!!enquos(...))
 12. │               └─tidyselect:::eval_select_impl(...)
 13. │                 ├─tidyselect:::with_subscript_errors(...)
 14. │                 │ ├─base::tryCatch(...)
 15. │                 │ │ └─base:::tryCatchL
Execution halted