Create an Acceptance Criterion

Defines a single acceptance criterion for analytical validation. Criteria are used with measure_assess() to produce pass/fail decisions.

Usage

criterion(
  name,
  operator = c("<", "<=", ">", ">=", "==", "!=", "between", "outside"),
  threshold,
  description = NULL,
  priority = c("major", "critical", "minor")
)

Arguments

name

Character string naming this criterion (e.g., "cv_qc", "r_squared").

operator

Comparison operator: "<", "<=", ">", ">=", "==", "!=", "between", or "outside".

threshold

Numeric threshold value. For "between" and "outside", provide a length-2 vector c(lower, upper).

description

Optional human-readable description of the criterion.

priority

Optional priority level: "critical", "major", "minor". Affects how failures are reported.

Value

A measure_criterion object.

See also

measure_criteria() for combining multiple criteria, measure_assess() for evaluating criteria.

Examples

# QC coefficient of variation must be < 15%
criterion("cv_qc", "<", 15, description = "QC CV < 15%")
#> <measure_criterion>
#>   cv_qc < 15
#>   Priority: major
#>   Description: QC CV < 15%

# R-squared must be >= 0.99
criterion("r_squared", ">=", 0.99)
#> <measure_criterion>
#>   r_squared >= 0.99
#>   Priority: major
#>   Description: r_squared >= 0.99

# Recovery must be between 80% and 120%
criterion("recovery", "between", c(80, 120), priority = "critical")
#> <measure_criterion>
#>   recovery between  80120 [80, 120]
#>   Priority: critical
#>   Description: recovery in [80, 120]