constraints.checkUnique: Check if a field is unique
In tableschema.r: Table Schema 'Frictionless Data'
View source: R/constraints.checkUnique.R
constraints.checkUnique R Documentation
Check if a field is unique
Description
If TRUE, then all values for that field MUST be unique within the data file in which it is found.
Usage
constraints.checkUnique(constraint, value)
Arguments
constraint
set TRUE to check unique values
value
value to check
Value
TRUE if field is unique
See Also
Examples
constraints.checkUnique(constraint = FALSE, value = "any")
constraints.checkUnique(constraint = TRUE, value = "any")
tableschema.r documentation built on Sept. 30, 2022, 1:06 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
View source: R/constraints.checkUnique.R
| constraints.checkUnique | R Documentation |
Check if a field is unique
Description
If TRUE, then all values for that field MUST be unique within the data file in which it is found.
Usage
constraints.checkUnique(constraint, value)
Arguments
constraint |
set TRUE to check unique values |
value |
value to check |
Value
TRUE if field is unique
See Also
Examples
constraints.checkUnique(constraint = FALSE, value = "any") constraints.checkUnique(constraint = TRUE, value = "any")
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.