<precision>

<precision> indicates the numerical accuracy or precision associated with some aspect of the text markup. [21.2 Indications of Precision]
Modulecertainty — Certainty, Precision, and Responsibility
Attributesatt.global (@xml:id, @n, @xml:lang, @xml:base, @xml:space) (att.global.rendition (@rend, @style, @rendition)) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) (att.global.responsibility (@cert, @resp)) att.scoping (@target, @match) att.ranging (@atLeast, @atMost, @min, @max, @confidence) att.datable (@calendar, @period) (att.datable.w3c (@when, @notBefore, @notAfter, @from, @to)) (att.datable.iso (@when-iso, @notBefore-iso, @notAfter-iso, @from-iso, @to-iso)) (att.datable.custom (@when-custom, @notBefore-custom, @notAfter-custom, @from-custom, @to-custom, @datingPoint, @datingMethod))
degreeindicates the degree of precision to be assigned as a value between 0 (none) and 1 (optimally precise)
DeprecatedThis feature will be withdrawn after 2015-11-12
Status Optional
Datatype

<rng:ref name="data.probability"/>
data.probability
precisioncharacterizes the precision of the element or attribute pointed to by the precision element.
Status Optional
Datatype

<rng:ref name="data.certainty"/>
data.certainty
stdDeviationsupplies a standard deviation associated with the value in question
Status Optional
Datatype

<rng:ref name="data.numeric"/>
data.numeric
Member of
Contained by
analysis: cl interp m phr s span w
figures: cell figure table
linking: ab join seg
nets: graph
spoken: u writing
tagdocs: eg valDesc
textcrit: app lem rdg wit witDetail
verse: metSym rhyme
May contain
Declaration

<rng:element name="precision">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.scoping.attributes"/>
 <rng:ref name="att.ranging.attributes"/>
 <rng:ref name="att.datable.attributes"/>
 <rng:ref name="att.datable.w3c.attributes"/>
 <rng:ref name="att.datable.iso.attributes"/>
 <rng:ref name="att.datable.custom.attributes"/>
 <rng:optional>
  <rng:attribute name="degree">
   <rng:ref name="data.probability"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="precision">
   <rng:ref name="data.certainty"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="stdDeviation">
   <rng:ref name="data.numeric"/>
  </rng:attribute>
 </rng:optional>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="model.descLike"/>
   <rng:ref name="model.certLike"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element precision
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.scoping.attributes,
   att.ranging.attributes,
   att.datable.attributes,
   att.datable.w3c.attributes,
   att.datable.iso.attributes,
   att.datable.custom.attributes,
   attribute degree { data.probability }?,
   attribute precision { data.certainty }?,
   attribute stdDeviation { data.numeric }?,
   ( model.descLike | model.certLike )*
}
Example
<date xml:id="date001notBefore="0014"
 notAfter="0064">
Within about 50
years of the death of Augustus</date>
<precision target="#date001"
 match="@notBeforedegree="0.9"/>

<precision target="#date001"
 match="@notAfterdegree="0.3"/>
Example
<date notBefore="1632notAfter="1642">Not more than ten years before the start of the Civil War
<precision match="parent::date/@notBefore"
  precision="low"/>

 <precision match="parent::date/@notAfter"
  precision="high"/>

</date>