Change type of variables that are likely not characters but double about allodb HOT 1 CLOSED

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(allodb)

as_allodb(equations) %>% 
  select(dbh_min_cm, dbh_max_cm)
#> # A tibble: 419 x 2
#>    dbh_min_cm dbh_max_cm
#>  * <chr>      <chr>     
#>  1 0.21       5.73      
#>  2 0.19       3.86      
#>  3 8.9        25.4      
#>  4 5          45        
#>  5 5          45        
#>  6 2.5        56        
#>  7 2.5        56        
#>  8 8.2        52.3      
#>  9 8.2        52.3      
#> 10 8.2        52.3      
#> # ... with 409 more rows