rail:values 

the values related to an x-value themselves

http://wiki.railml.org/index.php?title=RS:values

Element Information

Model

Attributes

QName Type Fixed Default Use Inheritable Annotation
yValue xs:decimal required 
value of ordinate (y-axis) for this line (row)

Source 

<xs:element name="values" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>the values related to an x-value themselves</xs:documentation>
    <xs:documentation source="http://wiki.railml.org/index.php?title=RS:values"/>
  </xs:annotation>
  <xs:complexType>
    <xs:attribute name="yValue" type="xs:decimal" use="required">
      <xs:annotation>
        <xs:documentation>value of ordinate (y-axis) for this line (row)</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>
</xs:element>

Sample