Collection of constants defined by the REDCap developers.

constant(name)

Arguments

name

Name of constant. Required character.

Value

The constant's value. Currently all are single integers, but that could be expanded in the future.

Details

Form Completeness

The current constants relate to the 'complete' variable at the end of each form.

  • form_incomplete: 0L (i.e., an integer)

  • form_unverified: 1L

  • form_complete: 2L

Export Rights

See https://your-server/redcap/api/help/?content=exp_users.

  • data_export_rights_no_access : 0L

  • data_export_rights_deidentified : 1L

  • data_export_rights_full : 2L

Form Rights

See https://your-server/redcap/api/help/?content=exp_users. The order of these digits may be unexpected.

  • form_rights_no_access : 0L

  • form_rights_readonly : 2L

  • form_rights_edit_form : 1L

  • form_rights_edit_survey : 3L

Access Rights

See https://your-server/redcap/api/help/?content=exp_users.

  • access_no : 0L

  • access_yes : 1L

To add more, please for and edit constant.R on GitHub and submit a pull request. For instructions, please see Editing files in another user's repository # nolint in the GitHub documentation.

Author

Will Beasley

Examples

REDCapR::constant("form_incomplete")  # Returns 0L
#> [1] 0
REDCapR::constant("form_unverified")  # Returns 1L
#> [1] 1
REDCapR::constant("form_complete"  )  # Returns 2L
#> [1] 2

REDCapR::constant("data_export_rights_no_access"   )  # Returns 0L
#> [1] 0
REDCapR::constant("data_export_rights_deidentified")  # Returns 1L
#> [1] 1
REDCapR::constant("data_export_rights_full"        )  # Returns 2L
#> [1] 2

REDCapR::constant("form_rights_no_access")   # Returns 0L
#> [1] 0
REDCapR::constant("form_rights_readonly" )   # Returns 2L --Notice the order
#> [1] 2
REDCapR::constant("form_rights_edit_form")   # Returns 1L
#> [1] 1
REDCapR::constant("form_rights_edit_survey") # Returns 3L
#> [1] 3

REDCapR::constant("access_no" )  # Returns 0L
#> [1] 0
REDCapR::constant("access_yes")  # Returns 1L
#> [1] 1

REDCapR::constant(c(
  "form_complete",
  "form_complete",
  "form_incomplete"
)) # Returns c(2L, 2L, 0L)
#> [1] 2 2 0
REDCapR::constant(c(
  "form_rights_no_access",
  "form_rights_readonly",
  "form_rights_edit_form",
  "form_rights_edit_survey"
)) # Returns c(0L, 2L, 1L, 3L)
#> [1] 0 2 1 3


constant_to_form_completion( c(0, 2, 1, 2, NA))
#> [1] incomplete complete   unverified complete   unknown   
#> Levels: incomplete unverified complete unknown
constant_to_form_rights(     c(0, 2, 1, 2, NA))
#> [1] no_access readonly  edit_form readonly  unknown  
#> Levels: no_access readonly edit_form edit_survey unknown
constant_to_export_rights(   c(0, 2, 1, 3, NA))
#> [1] no_access    rights_full  deidentified <NA>         unknown     
#> Levels: no_access deidentified rights_full unknown
constant_to_access(          c(0, 1, 1, 0, NA))
#> [1] no      yes     yes     no      unknown
#> Levels: no yes unknown

if (FALSE) {
# The following line returns an error:
#     Assertion on 'name' failed: Must be a subset of
#     {'form_complete','form_incomplete','form_unverified'},
#     but is {'bad-name'}.

REDCapR::constant("bad-name")    # Returns an error

REDCapR::constant(c("form_complete", "bad-name")) # Returns an error
}