URI: http://www.qualityml.org/1.0/metrics/Reliability
Name: Reliability
Alternative names: User's accuracy, REL
Definition:

Is the fraction of correctly classified items with regard to all items classified as this class in the classified image. For each class in the classified image (column), the number of correctly classified items is divided by the total number of items which were classified as this class.

Parameters: actual categories
Source: GeoViQua
Categories: Thematic accuracy
Further information: http://spatial-analyst.net/ILWIS/htm/ilwismen/confusion_matrix.htm
XML schema:
<schema xmlns:qml="http://www.qualityml.org/1.0" 
xmlns:un="http://www.uncertml.org/2.0" 
xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.qualityml.org/1.0" 
elementFormDefault="qualified" attributeFormDefault="unqualified">
<import namespace="http://www.uncertml.org/2.0" schemaLocation="../../uncertml/2.0/uncertml.xsd"/> <element name="Reliability" type="qml:CategorizedRatesType" substitutionGroup="un:AbstractSummaryStatistic"/>
XML example:
<un:StatisticsCollection xmlns:qml="http://www.qualityml.org/1.0" 

   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
   xsi:schemaLocation="http://www.qualitymlorg/schemas/qualityml/1.0/qualityml.xsd">
		<qml:Reliability>
<qml:categories>Red Green Blue</qml:categories>
<qml:values max="100">1.57 3.14 6.28</qml:values>
</qml:Reliability>
JSON example:
N/A
API example:
N/A
Value constraints: categories: any string
counts: any positive natural number