Extension-iso21090-uncertainty.xml

Standard Deviation (same units as the quantity)

Raw XML

<ExtensionDefinition xmlns="http://hl7.org/fhir">
  <id value="iso21090-uncertainty"/>
  <url value="http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty"/>
  <name value="Standard Deviation (same units as the quantity)"/>
  <publisher value="HL7"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org"/>
    </telecom>
  </contact>
  <description value="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)."/>
  <status value="draft"/>
  <date value="2012-06-24"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM"/>
  </mapping>
  <contextType value="datatype"/>
  <context value="Quantity"/>
  <element>
    <path value="Extension"/>
    <short value="Standard Deviation (same units as the quantity)"/>
    <definition value="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)."/>
    <comments value="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."/>
    <min value="0"/>
    <max value="1"/>
    <type>
      <code value="decimal"/>
    </type>
    <mapping>
      <identity value="rim"/>
      <map value="PPD.standardDeviation"/>
    </mapping>
  </element>
</ExtensionDefinition>