{introverse} quick docs

 as.character()
   get_help() docs

Description

The as.character() function comes with R and is part of the Base R {base} package.

We use this function to coerce a value or variable to be a character, i.e. change the variable’s type into a character type.

Conceptual usage

as.character(value to coerce into character type)

Examples

Some examples below use the carnivores dataset. Learn more about this dataset with get_help("carnivores").

# Show the carnivores dataset
carnivores

## # A tibble: 9 × 4
##   name              genus        awake brainwt
##   <chr>             <fct>        <dbl>   <dbl>
## 1 Arctic fox        Vulpes        11.5  0.0445
## 2 Cheetah           Acinonyx      11.9 NA     
## 3 Dog               Canis         13.9  0.07  
## 4 Gray seal         Haliochoerus  17.8  0.325 
## 5 Jaguar            Panthera      13.6  0.157 
## 6 Lion              Panthera      10.5 NA     
## 7 Northern fur seal Callorhinus   15.3 NA     
## 8 Red fox           Vulpes        14.2  0.0504
## 9 Tiger             Panthera       8.2 NA

# Convert the number 10 into character "10"
as.character(10)

## [1] "10"

# Convert the logical value `TRUE` (no quotes!) into a character type  
# containing the literal letters (in quotes!) "TRUE".
as.character(TRUE)

## [1] "TRUE"

# Convert a the `awake` column in a tibble (data frame) to be of type character 
carnivores$awake <- as.character(carnivores$awake)

# Show result of coercion:
carnivores

## # A tibble: 9 × 4
##   name              genus        awake brainwt
##   <chr>             <fct>        <chr>   <dbl>
## 1 Arctic fox        Vulpes       11.5   0.0445
## 2 Cheetah           Acinonyx     11.9  NA     
## 3 Dog               Canis        13.9   0.07  
## 4 Gray seal         Haliochoerus 17.8   0.325 
## 5 Jaguar            Panthera     13.6   0.157 
## 6 Lion              Panthera     10.5  NA     
## 7 Northern fur seal Callorhinus  15.3  NA     
## 8 Red fox           Vulpes       14.2   0.0504
## 9 Tiger             Panthera     8.2   NA

# Convert a the `awake` column in a tibble (data frame) to be of type character, using dplyr::mutate()
carnivores %>%
  dplyr::mutate(awake = as.character(awake))

## # A tibble: 9 × 4
##   name              genus        awake brainwt
##   <chr>             <fct>        <chr>   <dbl>
## 1 Arctic fox        Vulpes       11.5   0.0445
## 2 Cheetah           Acinonyx     11.9  NA     
## 3 Dog               Canis        13.9   0.07  
## 4 Gray seal         Haliochoerus 17.8   0.325 
## 5 Jaguar            Panthera     13.6   0.157 
## 6 Lion              Panthera     10.5  NA     
## 7 Northern fur seal Callorhinus  15.3  NA     
## 8 Red fox           Vulpes       14.2   0.0504
## 9 Tiger             Panthera     8.2   NA