Periodontal Source Support Share Tool

Description

Sum applicable weights and those also having known matching sources; return share over applicableWeight when positive, otherwise zero with defined=false.

Dental research records distinguish teeth, surfaces, sites, observations, exclusions, and reporting bases. Measurement resolution and missing observations affect interpretation differently. A chart token, site share, or measurement envelope can check supplied data without establishing a clinical finding.

Sum applicable weights and those also having known matching sources; return share over applicableWeight when positive, otherwise zero with defined=false.

When to use this tool

Use Periodontal Source Support Share when you need this site-record, denominator, label, image-scale, or measurement component for supplied research data.

How to use the tool and how it works

Enter siteWeights, sourceKnown, editionMatched, siteApplicable. Keep parallel arrays aligned. Use the units and conventions below.
Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
Read applicableWeight, supportedWeight, share, defined. Inspect defined before interpreting the associated values.

Require aligned nonnegative siteWeights with sourceKnown, editionMatched, and siteApplicable. Sum applicable weights and those also having known matching sources; return share over applicableWeight when positive, otherwise zero with defined=false.^[1]

Input field	Meaning and units	Accepted input
siteWeights	Site Weights	Required. Array of finite number; minimum 0; maximum items 256.
sourceKnown	Source Known	Required. Array of boolean; maximum items 256.
editionMatched	Edition Matched	Required. Array of boolean; maximum items 256.
siteApplicable	Site Applicable	Required. Array of boolean; maximum items 256.

Output field	Interpretation	Returned shape
applicableWeight	Applicable Weight	Required. Finite number.
supportedWeight	Supported Weight	Required. Finite number.
share	Dimensionless share under the stated denominator; not a percent numeral.	Required. Finite number.
defined	Whether the associated denominator or quantity is defined; read before using a zero placeholder.	Required. Boolean.

json

{
  "input": {
    "siteWeights": [
      2,
      3,
      5
    ],
    "sourceKnown": [
      true,
      true,
      true
    ],
    "editionMatched": [
      true,
      false,
      true
    ],
    "siteApplicable": [
      true,
      true,
      false
    ]
  },
  "output": {
    "applicableWeight": 5,
    "supportedWeight": 2,
    "share": 0.4,
    "defined": true
  }
}

Limitations and assumptions

Inapplicable sites do not enter either sum. Source flags and weights are trusted; support coverage does not establish clinical applicability, source accuracy, or correctness of an examination.
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. Signed zero is exported as zero.

Alternative or Complementary methods

Use the intended examination or measurement protocol with verified site identities and source records. Broader interpretation requires actual observations and appropriate measurement properties beyond one token or ratio.

References

Calculation and input contract: periodontology/periodontal-source-support-share — tool.io

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