Definition for Code SystemStatisticsCode

@prefix fhir: <http://hl7.org/fhir/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

# - resource -------------------------------------------------------------------

[] a fhir:CodeSystem;
  fhir:Resource.id [ fhir:value "observation-statistics"];
  fhir:Resource.meta [
     fhir:Meta.lastUpdated [ fhir:value "2022-09-10T04:52:37.223+10:00" ];
     fhir:Meta.profile [ fhir:value "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ]
  ];
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ]
  ];
  fhir:DomainResource.extension [
     fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg" ];
     fhir:Extension.value [ fhir:value "oo" ]
  ];
  fhir:CanonicalResource.url [ fhir:value "http://hl7.org/fhir/observation-statistics"];
  fhir:CanonicalResource.identifier [
     fhir:Identifier.system [ fhir:value "urn:ietf:rfc:3986" ];
     fhir:Identifier.value [ fhir:value "urn:oid:2.16.840.1.113883.4.642.4.2100" ]
  ];
  fhir:CanonicalResource.version [ fhir:value "5.0.0-ballot"];
  fhir:CanonicalResource.name [ fhir:value "StatisticsCode"];
  fhir:CanonicalResource.status [ fhir:value "active"];
  fhir:CanonicalResource.experimental [ fhir:value "false"];
  fhir:CodeSystem.url [ fhir:value "http://hl7.org/fhir/observation-statistics"];
  fhir:CodeSystem.identifier [
     fhir:Identifier.system [ fhir:value "urn:ietf:rfc:3986" ];
     fhir:Identifier.value [ fhir:value "urn:oid:2.16.840.1.113883.4.642.4.2100" ]
  ];
  fhir:CodeSystem.version [ fhir:value "5.0.0-ballot"];
  fhir:CodeSystem.name [ fhir:value "StatisticsCode"];
  fhir:CodeSystem.status [ fhir:value "active"];
  fhir:CodeSystem.experimental [ fhir:value "false"];
  fhir:CodeSystem.caseSensitive [ fhir:value "true"];
  fhir:CodeSystem.content [ fhir:value "complete"];
  fhir:CodeSystem.concept [
     fhir:ConceptDefinitionComponent.code [ fhir:value "average" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Average" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [mean](https://en.wikipedia.org/wiki/Arithmetic_mean) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "maximum" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Maximum" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [maximum](https://en.wikipedia.org/wiki/Maximal_element) value of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "minimum" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Minimum" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [minimum](https://en.wikipedia.org/wiki/Minimal_element) value of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "count" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Count" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [number] of valid measurements over the stated period that contributed to the other statistical outputs." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "total-count" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Total Count" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The total [number] of valid measurements over the stated period, including observations that were ignored because they did not contain valid result values." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "median" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Median" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [median](https://en.wikipedia.org/wiki/Median) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "std-dev" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Standard Deviation" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [standard deviation](https://en.wikipedia.org/wiki/Standard_deviation) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "sum" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Sum" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [sum](https://en.wikipedia.org/wiki/Summation) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "variance" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Variance" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The [variance](https://en.wikipedia.org/wiki/Variance) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "20-percent" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "20th Percentile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The 20th [Percentile](https://en.wikipedia.org/wiki/Percentile) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "80-percent" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "80th Percentile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The 80th [Percentile](https://en.wikipedia.org/wiki/Percentile) of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "4-lower" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Lower Quartile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The lower [Quartile](https://en.wikipedia.org/wiki/Quartile) Boundary of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "4-upper" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Upper Quartile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The upper [Quartile](https://en.wikipedia.org/wiki/Quartile) Boundary of N measurements over the stated period." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "4-dev" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Quartile Deviation" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The difference between the upper and lower [Quartiles](https://en.wikipedia.org/wiki/Quartile) is called the Interquartile range. (IQR = Q3-Q1) Quartile deviation or Semi-interquartile range is one-half the difference between the first and the third quartiles." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "5-1" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "1st Quintile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The lowest of four values that divide the N measurements into a frequency distribution of five classes with each containing one fifth of the total population." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "5-2" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "2nd Quintile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The second of four values that divide the N measurements into a frequency distribution of five classes with each containing one fifth of the total population." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "5-3" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "3rd Quintile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The third of four values that divide the N measurements into a frequency distribution of five classes with each containing one fifth of the total population." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "5-4" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "4th Quintile" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "The fourth of four values that divide the N measurements into a frequency distribution of five classes with each containing one fifth of the total population." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "skew" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Skew" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "Skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable about its mean. The skewness value can be positive or negative, or even undefined.  Source: [Wikipedia](https://en.wikipedia.org/wiki/Skewness)." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "kurtosis" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Kurtosis" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "Kurtosis  is a measure of the \"tailedness\" of the probability distribution of a real-valued random variable.   Source: [Wikipedia](https://en.wikipedia.org/wiki/Kurtosis)." ]
  ], [
     fhir:ConceptDefinitionComponent.code [ fhir:value "regression" ];
     fhir:ConceptDefinitionComponent.display [ fhir:value "Regression" ];
     fhir:ConceptDefinitionComponent.definition [ fhir:value "Linear regression is an approach for modeling two-dimensional sample points with one independent variable and one dependent variable (conventionally, the x and y coordinates in a Cartesian coordinate system) and finds a linear function (a non-vertical straight line) that, as accurately as possible, predicts the dependent variable values as a function of the independent variables. Source: [Wikipedia](https://en.wikipedia.org/wiki/Simple_linear_regression)  This Statistic code will return both a gradient and an intercept value." ]
  ] .

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