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Meta Information

Meta Information

Meta information that is part of i_labeled objects:

  1. label: Variable label
  2. labels: Value labels
  3. na_values: Missing values
  4. na_range: Missing range
  5. scale: Scale level
  6. wording: Question text in the questionnaire
  7. subject: Subject of the variable 8: annotation: Additional information

Meta information can be applied via the class constructor i_labelled (as seen above) or by dedicated functions. Adding meta information by base R’s attr() function is also possible.

myVariable <- i_labelled(c(1, 2, 3, -9, NA))

myVariable <- myVariable |>
  i_label("my variable label") |>
  i_labels(
    "A" = 1,
    "B" = 2,
    "C" = 3,
    "X" = -9
  ) |>
  i_na_range(c(-9,-1)) |>
  i_scale("nominal") |>
  i_subject("dummy data")
myVariable
#> <i_labelled double>
#> [1]  1  2  3 -9 NA
#> 
#> Subject:
#>  dummy data 
#> 
#> Missing range: [-9:-1] 
#> 
#> Scale level: nominal
#> 
#> Variable label: 
#>  my variable label
#> 
#> Value labels:
#>  value label
#>     -9     X
#>      1     A
#>      2     B
#>      3     C

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They may not be fully stable and should be used with caution. We make no claims about them.
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