{
  "description": "The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).",
  "_filename": "extension-iso21090-uncertainty.json",
  "package_name": "rs/hl7.fhir.core",
  "date": "2012-06-24",
  "derivation": "constraint",
  "publisher": "Health Level Seven International (Modeling and Methodology)",
  "fhirVersion": "1.4.0",
  "name": "Standard Deviation (same units as the quantity)",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM",
    "identity": "rim"
  } ],
  "baseType": "Extension",
  "abstract": false,
  "type": null,
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "1.4.0",
  "snapshot": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).",
      "short": "Standard Deviation (same units as the quantity)",
      "comments": "standardDeviation has the same units as the quantity. It is used to normalize the data for computing the distribution function. Applications that cannot deal with probability distributions can still get an idea about the confidence level by looking at standardDeviation.",
      "mapping": [ {
        "map": "PPD.standardDeviation",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "max": "1",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references).",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "id"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "max": "0",
      "min": 0,
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "name": "extension",
      "path": "Extension.extension",
      "type": [ {
        "code": "Extension"
      } ],
      "short": "Extension",
      "definition": "An Extension"
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty",
      "comments": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition should be version specific.  This will ideally be the URI for the Resource Profile defining the extension, with the code for the extension after a #.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      }
    }, {
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.valueDecimal",
      "type": [ {
        "code": "decimal"
      } ],
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)."
    } ]
  },
  "status": "draft",
  "id": "b76c707c-6b1c-4bf0-a267-83ec05d583fe",
  "kind": "datatype",
  "url": "http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty",
  "context": [ "Quantity" ],
  "version": null,
  "differential": {
    "element": [ {
      "max": "1",
      "min": 0,
      "path": "Extension",
      "type": [ {
        "code": "Extension"
      } ],
      "short": "Standard Deviation (same units as the quantity)",
      "mapping": [ {
        "map": "PPD.standardDeviation",
        "identity": "rim"
      } ],
      "comments": "standardDeviation has the same units as the quantity. It is used to normalize the data for computing the distribution function. Applications that cannot deal with probability distributions can still get an idea about the confidence level by looking at standardDeviation.",
      "definition": "The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean)."
    }, {
      "max": "0",
      "name": "extension",
      "path": "Extension.extension"
    }, {
      "path": "Extension.url",
      "type": [ {
        "code": "uri"
      } ],
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty"
    }, {
      "min": 1,
      "path": "Extension.value[x]",
      "type": [ {
        "code": "decimal"
      } ]
    } ]
  },
  "contact": [ {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/mnm",
      "system": "other"
    } ]
  } ],
  "contextType": "datatype",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}