-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.prodml.org/schemas/1series" version="PRODML_v1.3">
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	This file is distributed under the Energistics License Agreement at
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	Use of this file constitutes agreement with the Energistics License Agreement.
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 -->
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 <xsd:include schemaLocation="cs_timeSeriesThreshold.xsd"/>
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-<xsd:group name="grp_timeSeriesStatistic">
-<xsd:annotation>
 <xsd:documentation>The non-contextual content of WITSML statistics about a range of time series data.</xsd:documentation>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="key" type="prodml:keywordValueStruct" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>A keyword value pair which characterizes the underlying nature of this value. The key value may provide part of the unique identity of an instance of a concept or it may characterize the underlying concept. The key value will be defined within the specified keyword naming system. This is essentially a classification of the data in the specified system (keyword).</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="unit" type="prodml:uomString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>If the time series is a measure then this specifies the unit of measure. The unit acronym must be chosen from the list that is valid for the measure class. If this is specified then the measure class must be specified.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="measureClass" type="prodml:MeasureClass" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Defines the type of measure that the time series represents. If this is specified then unit must be specified. This may be redundant to some information in the keys but it is important for allowing an application to understand the nature of a measure value even if it does not understand all of the underlying nature.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="comment" type="prodml:commentString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A comment about the time series.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="dTimMin" type="prodml:endpointDateTime" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The lower bound of the analyzed time range. Only data within the range was included in the analysis. The endpoint attribute specifies whether the data was inclusive or exclusive of this point.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="dTimMax" type="prodml:endpointDateTime" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The upper bound of the analyzed time range. Only data within the range was included in the analysis. The endpoint attribute specifies whether the data was inclusive or exclusive of this point.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="minimum" type="prodml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The minimum value within the time range of dTimMin to dTimMax. Element "unit" defines the unit of measure of this value.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maximum" type="prodml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The maximum value within the time range of dTimMin to dTimMax. Element "unit" defines the unit of measure of this value.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="sum" type="prodml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The sum of all values within the time range of dTimMin to dTimMax. Element "unit" defines the unit of measure of this value.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mean" type="prodml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The arithmetic mean (sum divided by count) of all values within the time range of dTimMin to dTimMax. Element "unit" defines the unit of measure of this value.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="median" type="prodml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The median value of all values within the time range of dTimMin to dTimMax. Element "unit" defines the unit of measure of this value.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="standardDeviation" type="prodml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The standard deviation of all values within the time range of dTimMin to dTimMax. Element "unit" defines the unit of measure of this value.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="timeAtThreshold" type="prodml:cs_timeSeriesThreshold" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Defines a value threshold window and the time duration where values (within the time range of dTimMin to dTimMax) were within that window.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
 </xsd:group>
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 </xsd:schema>