<precision>

<precision> indicates the numerical accuracy or precision associated with some aspect of the text markup. [22.2 Indications of Precision]
Module certainty — Certainty, Precision, and Responsibility
Attributes
calendar⚓︎ indicates one or more systems or calendars to which the date represented by the content of this element belongs.
Deprecated This feature will be withdrawn after 2024-11-11
Status Optional
Datatype 1–∞ occurrences of teidata.pointer separated by whitespace
Schematron

<sch:rule context="tei:*[@calendar]">
<sch:assert test="string-length( normalize-space(.) ) gt 0"> @calendar indicates one or more
systems or calendars to which the date represented by the content of this element belongs,
but this <sch:name/> element has no textual content.</sch:assert>
</sch:rule>
precision⚓︎ characterizes the precision of the element or attribute pointed to by the precision element.
Status Optional
Datatype teidata.certainty
stdDeviation⚓︎ supplies a standard deviation associated with the value in question
Status Optional
Datatype teidata.numeric
Member of
model.certLike model.global.meta
Contained by
analysis: cl interp m phr s span w
certainty: certainty precision respons
cmc: post
core: abbr add addrLine address author bibl biblScope cit citedRange corr date del distinct editor email emph expan foreign gap gloss head headItem headLabel hi imprint item l label lg list measure mentioned name note num orig p pubPlace publisher q quote rb ref reg resp rs rt said series sic soCalled sp speaker stage street term textLang time title unclear unit
corpus: activity channel constitution derivation domain factuality interaction locale preparedness purpose
dictionaries: case colloc def dictScrap entry entryFree etym form gen gram gramGrp hom hyph iType lang lbl mood number orth per pos pron re sense stress subc syll tns usg xr
drama: actor camera caption castGroup castItem castList epilogue performance prologue role roleDesc set sound spGrp tech view
figures: cell figure table
header: authority change classCode distributor edition extent funder geoDecl handNote language licence principal scriptNote sponsor
linking: ab join seg standOff
msdescription: accMat acquisition additions catchwords collation collection colophon condition custEvent decoNote explicit filiation finalRubric foliation heraldry incipit institution layout material msItem musicNotation objectType origDate origPlace origin provenance repository rubric secFol signatures source stamp summary support surrogates typeNote watermark
namesdates: addName affiliation age birth bloc climate country death district education eventName faith floruit forename genName gender geogFeat geogName langKnowledge langKnown location nameLink nationality objectName occupation offset orgName persName persPronouns person personGrp persona placeName population region residence roleName settlement sex socecStatus state surname terrain trait
nets: graph
spoken: u writing
tagdocs: eg valDesc
textcrit: lem rdg wit witDetail
textstructure: argument back body byline closer dateline div div1 div2 div3 div4 div5 div6 div7 docAuthor docDate docEdition docImprint docTitle epigraph floatingText front group imprimatur opener postscript salute signed text titlePage titlePart trailer
transcr: damage fw line metamark mod restore retrace secl sourceDoc space substJoin supplied surface surfaceGrp surplus zone
verse: metSym rhyme
May contain
certainty: certainty precision respons
core: desc
Example
<date xml:id="date001" notBefore="0014"
 notAfter="0064">Within about 50
years of the death of Augustus</date>
<precision target="#date001"
 match="@notBefore" precision="high"/>
<precision target="#date001"
 match="@notAfter" precision="low"/>
Example
<date notBefore="1632" notAfter="1642">Not more than ten years before the start of the Civil War
<precision match="@notBefore"
  precision="low"/>
 <precision match="@notAfter"
  precision="high"/>
</date>
Content model 
<content>
 <alternate minOccurs="0"
  maxOccurs="unbounded">
  <classRef key="model.descLike"/>
  <classRef key="model.certLike"/>
 </alternate>
</content>
Schema 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.global.source.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="calendar">
   <rng:list>
    <rng:oneOrMore>
     <rng:ref name="teidata.pointer"/>
    </rng:oneOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="precision">
   <rng:ref name="teidata.certainty"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="stdDeviation">
   <rng:ref name="teidata.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.global.source.attributes,
   att.scoping.attributes,
   att.ranging.attributes,
   att.datable.attributes,
   att.datable.w3c.attributes,
   att.datable.iso.attributes,
   att.datable.custom.attributes,
   attribute calendar { list { teidata.pointer+ } }?,
   attribute precision { teidata.certainty }?,
   attribute stdDeviation { teidata.numeric }?,
   ( model.descLike | model.certLike )*
}