Validate user supplied references

Checks to ensure that the user specified references are expect values (i.e. those found within the source data).

Usage

# S3 method for class 'references'
validate(x, control, ...)

Arguments

x

named character vector.

control

factor variable (should be the group variable from the source dataset).

...

Not used.

Value

Will error if there is an issue otherwise will return TRUE.