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Policy Coverage Gap One Group Tool

Calculate policy coverage gap one group from explicit caller-supplied inputs.

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Description

Calculate policy coverage gap one group from explicit caller-supplied inputs.

A policy scenario makes eligibility bases, rates, thresholds, periods, and costs explicit. A calculated share or balance follows those assumptions. It does not select the governing policy or establish what caused an observed program outcome.

Calculate policy coverage gap one group from explicit caller-supplied inputs.

When to use this tool

Use it for policy coverage gap one group when the required inputs and conventions are already available.

How to use the tool and how it works

  1. Enter eligible, covered, population. Use the stated units and boundary conventions.
  2. Run the calculation. Correct any input error before interpreting a result.
  3. Read eligibleCoverage, populationCoverage, uncovered. Inspect any known, defined, inclusion, or boundary flags before interpreting numeric values.

Require positive integer population, eligible from one through population, and covered from zero through eligible. Return eligibleCoverage=covered/eligible, populationCoverage=covered/population, and uncovered=eligible-covered.1

Input fieldMeaning and unitsAccepted input
eligibleEligibleRequired. Safe integer; minimum 1.
coveredCoveredRequired. Safe integer; minimum 0.
populationPopulationRequired. Safe integer; minimum 1.
Output fieldInterpretationReturned shape
eligibleCoverageEligible CoverageRequired. Finite number.
populationCoveragePopulation CoverageRequired. Finite number.
uncoveredUncoveredRequired. Safe integer.
json
{
  "input": {
    "eligible": 200,
    "covered": 150,
    "population": 1000
  },
  "output": {
    "eligibleCoverage": 0.75,
    "populationCoverage": 0.15,
    "uncovered": 50
  }
}

Limitations and assumptions

  • The two shares deliberately use different bases. Counts must describe a common group and period; no eligibility determination or evidence of service quality is supplied.
  • The field tables describe structural bounds; the mechanics also state cross-field requirements. Malformed input shapes, disallowed keys, and invalid domains cause input errors. Results must remain finite and within the declared output contract. A successful false flag or zero placeholder is distinct from an error.
  • Numeric arithmetic uses binary floating point. Exact comparisons have no hidden tolerance or decimal rounding; negative zero is exported as zero. Decimal-text integer operations retain the exactness specifically stated above.

Alternative or Complementary methods

For policy coverage gap one group, check the source records and the supplied rule before comparing the result with another method. Consult the applicable authoritative rule when deciding eligibility, legal timing, fees, or obligations.

References

  1. Calculation and input contract: public-policy/policy-coverage-gap-one-group — tool.io

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