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Collection Window Time Share Tool

Calculate collection window time share from explicit caller-supplied inputs.

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Description

Return collected-time coverage under an explicit denominator flag.

Biomonitoring records connect specimens, analytical methods, observation durations and exposure windows. Literal matches and coverage shares describe supplied records, while specimen stability, actual exposure and the suitability of a health interpretation require independent measurement and professional assessment.

Return collected-time coverage under an explicit denominator flag.

When to use this tool

Use Collection Window Time Share when checking the stated specimen record, timing or monitoring-support convention.

How to use the tool and how it works

  1. Enter collectedDuration, eligibleDuration. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read share, defined. Inspect defined before interpreting the associated values.

Return collected-time coverage under an explicit denominator flag. Require 0 <= collectedDuration <= eligibleDuration; share divides by eligibleDuration when positive, otherwise zero with defined false.1

Input fieldMeaning and unitsAccepted input
collectedDurationCollected DurationRequired. Finite number; minimum 0.
eligibleDurationEligible DurationRequired. Finite number; minimum 0.
Output fieldInterpretationReturned shape
shareDimensionless numerator/denominator ratio under the explicit basis above.Required. Finite number.
definedWhether the stated denominator or information basis supports this value; inspect placeholders before interpretation.Required. Boolean.
json
{
  "input": {
    "collectedDuration": 15,
    "eligibleDuration": 20
  },
  "output": {
    "share": 0.75,
    "defined": true
  }
}

Limitations and assumptions

  • The durations are supplied; coverage does not establish representative sampling or an adequate exposure measurement.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Inspect verified collection and laboratory records and use an appropriate exposure/measurement analysis; seek qualified professional interpretation for health-related decisions.

References

  1. Calculation and input contract: biomonitoring/collection-window-time-share — tool.io

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