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1 -{{box title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 += {{id name="_Toc371008"/}}5 Data Structure Definition and Dataset =
4 4  
5 5  == {{id name="_Toc371009"/}}5.1 Introduction ==
6 6  
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93 93  
94 94  === {{id name="_Toc371014"/}}5.3.1 Class Diagram ===
95 95  
96 -(% class="wikigeneratedid" %)
97 -[[image:1747897165713-725.png]]
94 +====== Figure 23 Relationship class diagram of the Data Structure Definition excluding representation ======
98 98  
99 -(% class="wikigeneratedid" id="HFigure23RelationshipclassdiagramoftheDataStructureDefinitionexcludingrepresentation" %)
100 -**Figure 23 Relationship class diagram of the Data Structure Definition excluding representation**
101 -
102 102  === {{id name="_Toc371015"/}}5.3.2 Explanation of the Diagrams ===
103 103  
104 104  ==== 5.3.2.1 Narrative ====
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110 110  There are three types of dimension each having a common association to Concept:
111 111  
112 112  * Dimension
113 -* MeasureDimension
114 -* TimeDimension
107 +* MeasureDimension  TimeDimension
115 115  
116 116  Note that In the description here //DimensionComponent// can be oany or all of its sub classes i.e. Dimension, MeasureDimension, TimeDimension., and the term “DataAttribute” refers to both DataAttribute and its sub class ReportingYearStartDate.
117 117  
118 118  The //DimensionComponent//, DataAttribute, and PrimaryMeasure link to the Concept that defines its name and semantic (/conceptIdentity association to Concept). The DataAttribute, Dimension, and MeasureDimension (but not TimeDimension) can optionally have a +conceptRole association with a Concept that identifies its role in the DataStructureDefinition. Therefore, the allowable roles of a Concept are maintained in a ConceptScheme. Examples of roles are: geography, entity, count, unit of measure. The use of these roles is to enable applications to process the data in a meaningful way (e.g. relating a dimension value to a mapping vector). It is expected that communities (such as the official statistics community) will harmonise these roles with their community so that data can be exchanged and shared in a meaningful way in the community.
119 119  
120 -The valid values for a //DimensionComponent//, PrimaryMeasure, or DataAttribute, when used in this DataStructureDefinition, are defined by the Representation. This Representation is taken from the Concept definition (coreRepresentation) unless it is overridden in this DataStructureDefinition (localRepresentation) – see Figure 23. Note that for the MeasureDimension the Representation must be a ConceptScheme and this must always be referenced from the MeasureDimension and cannot therefore be defaulted to the Representation of the Concept associated by the/conceptIdentity. Note also that TimeDimension and ReportingYearStartDate are constrained to specific FacetValueTypes
113 +The valid values for a //DimensionComponent//, PrimaryMeasure, or DataAttribute, when used in this DataStructureDefinition, are defined by the Representation. This Representation is taken from the Concept definition (coreRepresentation) unless it is overridden in this DataStructureDefinition (localRepresentation) – see Figure 23. Note that for the MeasureDimension the Representation must be a ConceptScheme and this must always be referenced from the MeasureDimension and cannot therefore be defaulted to the Representation of the Concept associated by the/conceptIdentity. Note also that TimeDimension and ReportingYearStartDate are constrained to specific
121 121  
115 +FacetValueTypes
116 +
122 122  There will always be a DimensionDescriptor grouping that identifies all of the Dimension comprising the full key. Together the Dimensions specify the key of an Observation.
123 123  
124 124  The //DimensionComponent// can optionally be grouped by multiple GroupDimensionDescriptors each of which identifies the group of Dimensions that can form a partial key. The GroupDimensionDescriptor must be identified (GroupDimensionDescriptor.id) and this is used in the GroupKey of the DataSet to declare which DataAttributes are reported at this group level in the DataSet.
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138 138  * Set of Dimensions specified by a GroupKey (GroupRelationship – this is retained for compatibility reasons – or +groupKey of the DimensionRelationship)
139 139  * Observation (PrimaryMeasureRelationship)
140 140  
141 -[[image:1747896950895-141.png]]
142 -
143 143  **Figure 24: Attribute Attachment Defined in the Data Structure Definition**
144 144  
145 145  The following table details the possible relationships a DataAttribute may specify. Note that these relationships are mutually exclusive, and therefore only one of the following is possible.
146 146  
140 +:
141 +
147 147  (((
148 -(% style="width:1104.83px" %)
149 -|**Relationship**|(% style="width:415px" %)**Meaning**|(% style="width:556px" %)**Location in Data Set at which the Attribute is reported**
150 -|None|(% style="width:415px" %)The value of the attribute does not vary with the values of any other Component.|(% style="width:556px" %)The attribute is reported at the level of the Dataset Attribute.
143 +|**Relationship**|**Meaning**|**Location in Data Set at which the Attribute is reported**
144 +|None|The value of the attribute does not vary with the values of any other Component.|The attribute is reported at the level of the Dataset Attribute.
151 151  |(((
152 152  Dimension
153 153  
154 154  (1..n)
155 -)))|(% style="width:415px" %)The value of the attribute will vary with the value(s) of the referenced Dimension(s). In this case, Group(s) to which the attribute should be attached may optionally be specified.|(% style="width:556px" %)The attribute is reported at the lowest level of the Dimension to which the Attribute is related, otherwise at the level of the Group if Attachment Group(s) is specified.
156 -|**Relationship**|(% style="width:415px" %)**Meaning**|(% style="width:556px" %)**Location in Data Set at which the Attribute is reported**
157 -|Group|(% style="width:415px" %)(((
158 -The value of the Attribute varies with combination of values for all of the Dimensions contained in the Group. This is added as a convenience to listing all Dimensions and the attachment Group, but should only be used when the Attribute value varies based on __all__ Group Dimension values.
159 -)))|(% style="width:556px" %)The attribute is reported at the level of Group.
160 -|Primary Measure|(% style="width:415px" %)The value of the Attribute varies with the observed value.|(% style="width:556px" %)The attribute is reported at the level of Observation.
149 +)))|The value of the attribute will vary with the value(s) of the referenced Dimension(s). In this case, Group(s) to which the attribute should be attached may optionally be specified.|The attribute is reported at the lowest level of the Dimension to which the Attribute is related, otherwise at the level of the Group if Attachment Group(s) is specified.
150 +|**Relationship**|**Meaning**|**Location in Data Set at which the Attribute is reported**
151 +|Group|(((
152 +The value of the Attribute varies with combination of values for all of the
153 +
154 +Dimensions contained in the Group. This is added as a convenience to listing all Dimensions and the attachment Group, but should only be used when the Attribute value varies based on __all__ Group Dimension values.
155 +)))|The attribute is reported at the level of Group.
156 +|Primary Measure|The value of the Attribute varies with the observed value.|The attribute is reported at the level of Observation.
161 161  )))
162 162  
163 163  **Figure 25: Representation of DSD Components**
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168 168  
169 169  ==== 5.3.2.2 Definitions ====
170 170  
171 -(% style="width:1060.83px" %)
172 -|**Class**|**Feature**|(% style="width:695px" %)**Description**
173 -|StructureUsage| |(% style="width:695px" %)See “SDMX Base”.
167 +|**Class**|**Feature**|**Description**
168 +|StructureUsage| |See “SDMX Base”.
174 174  |DataflowDefinition|(((
175 175  Inherits from
176 176  //StructureUsage//
177 -)))|(% style="width:695px" %)Abstract concept (i.e. the structure without any data) of a flow of data that providers will provide for different reference periods.
178 -| |/structure|(% style="width:695px" %)Associates a Dataflow Definition to the Data Structure Definition.
179 -|DataStructureDefinition| |(% style="width:695px" %)A collection of metadata concepts, their structure and usage when used to collect or disseminate data.
180 -| |///grouping//|(% style="width:695px" %)An association to a set of metadata concepts that have an identified structural role in a Data Structure Definition.
172 +)))|Abstract concept (i.e. the structure without any data) of a flow of data that providers will provide for different reference periods.
173 +| |/structure|Associates a Dataflow Definition to the Data Structure Definition.
174 +|DataStructureDefinition| |A collection of metadata concepts, their structure and usage when used to collect or disseminate data.
175 +| |///grouping//|An association to a set of metadata concepts that have an identified structural role in a Data Structure Definition.
181 181  |(((
182 182  Group
183 183  
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185 185  )))|(((
186 186  Inherits from
187 187  //ComponentList//
188 -)))|(% style="width:695px" %)A set metadata concepts that define a partial key derived from the Dimension Descriptor in a Data Structure Definition.
189 -| |+constraint|(% style="width:695px" %)Identifies an Attachment Constraint that specifies the sub set of Dimension, Measure, or Attribute values to which an Attribute can be attached.
190 -| |/components|(% style="width:695px" %)An association to the Dimension and Measure Dimension components that comprise the group.
183 +)))|A set metadata concepts that define a partial key derived from the Dimension Descriptor in a Data Structure Definition.
184 +| |+constraint|Identifies an Attachment Constraint that specifies the sub set of Dimension, Measure, or Attribute values to which an Attribute can be attached.
185 +| |/components|An association to the Dimension and Measure Dimension components that comprise the group.
191 191  |DimensionDescriptor|(((
192 192  Inherits from
193 193  //ComponentList//
194 -)))|(% style="width:695px" %)An ordered set of metadata concepts that, combined, classify a statistical series, and whose values, when combined (the key) in an instance such as a data set, uniquely identify a specific observation.
195 -| |/components|(% style="width:695px" %)An association to the Dimension, Measure Dimension, and Time Dimension comprising the Key Descriptor.
189 +)))|An ordered set of metadata concepts that, combined, classify a statistical series, and whose values, when combined (the key) in an instance such as a data set, uniquely identify a specific observation.
190 +| |/components|An association to the Dimension, Measure Dimension, and Time Dimension comprising the Key Descriptor.
196 196  |AttributeDescriptor|(((
197 197  Inherits from
198 198  //ComponentList//
199 -)))|(% style="width:695px" %)A set metadata concepts that define the attributes of a Data Structure Definition.
200 -| |/components|(% style="width:695px" %)An association to a Data Attribute component.
194 +)))|A set metadata concepts that define the attributes of a Data Structure Definition.
195 +| |/components|An association to a Data Attribute component.
201 201  |MeasureDescriptor|(((
202 202  Inherits from
203 203  
204 204  //ComponentList//
205 -)))|(% style="width:695px" %)A metadata concept that defines the measure of a Data Structure Definition.
206 -| |/components|(% style="width:695px" %)An association to a measure component.
200 +)))|A metadata concept that defines the measure of a Data Structure Definition.
201 +| |/components|An association to a measure component.
207 207  |Dimension|(((
208 208  Inherits from
209 209  Component
210 -)))|(% style="width:695px" %)A metadata concept used (most probably together with other metadata concepts) to classify a statistical series, e.g. a statistical concept indicating a certain economic activity or a geographical reference area.
211 -| |/role|(% style="width:695px" %)Association to the Concept that specifies the role that that the Dimension plays in the Data Structure Definition.
212 -| |/conceptIdentity|(% style="width:695px" %)An association to the metadata concept which defines the semantic of the Dimension.
205 +)))|A metadata concept used (most probably together with other metadata concepts) to classify a statistical series, e.g. a statistical concept indicating a certain economic activity or a geographical reference area.
206 +| |/role|Association to the Concept that specifies the role that that the Dimension plays in the Data Structure Definition.
207 +| |/conceptIdentity|An association to the metadata concept which defines the semantic of the Dimension.
213 213  |MeasureDimension|(((
214 214  Inherits from
215 215  
216 216  Dimension
217 -)))|(% style="width:695px" %)A statistical concept that identifies the component in the key structure that has an enumerated list of measures. This dimension has, as its representation the Concept Scheme that enumerates the measure concepts.
212 +)))|A statistical concept that identifies the component in the key structure that has an enumerated list of measures. This dimension has, as its representation the Concept Scheme that enumerates the measure concepts.
218 218  |DataAttribute|(((
219 219  Inherits from
220 220  Component
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221 221  Sub class
222 222  ReportingYear
223 223  StartDay
224 -)))|(% style="width:695px" %)A characteristic of an object or entity.
225 -| |/role|(% style="width:695px" %)Association to the Concept that specifies the role that that the Data Attribute plays in the Data Structure Definition.
226 -| |usageStatus|(% style="width:695px" %)Defines the usage status which is constrained by the data type Usage Status.
227 -| |+relatedTo|(% style="width:695px" %)Association to a Attribute Relationship.
228 -| |/conceptIdentity|(% style="width:695px" %)An association to the Concept which defines the semantic of the component.
219 +)))|A characteristic of an object or entity.
220 +| |/role|Association to the Concept that specifies the role that that the Data Attribute plays in the Data Structure Definition.
221 +| |usageStatus|Defines the usage status which is constrained by the data type Usage Status.
222 +| |+relatedTo|Association to a Attribute Relationship.
223 +| |/conceptIdentity|An association to the Concept which defines the semantic of the component.
229 229  |TimeDimension|(((
230 230  Inherits from
231 231  
232 232  Dimension
233 -)))|(% style="width:695px" %)A metadata concept that identifies the component in the key structure that has the role of “time”.
228 +)))|A metadata concept that identifies the component in the key structure that has the role of “time”.
234 234  |ReportingYearStartDay|(((
235 235  Inherits from
236 236  DataAttribute
237 -)))|(% style="width:695px" %)A specialised Data Attribute whose value is used in conjunction with the predefined reporting periods in the Time Dimension. If this is not present, then by default all reporting period values for the Time Dimension will be assumed to be based on a reporting year start day of January 1.
232 +)))|A specialised Data Attribute whose value is used in conjunction with the predefined reporting periods in the Time Dimension. If this is not present, then by default all reporting period values for the Time Dimension will be assumed to be based on a reporting year start day of January 1.
238 238  |PrimaryMeasure|(((
239 239  Inherits from
240 240  //Component//
241 -)))|(% style="width:695px" %)The metadata concept that is the phenomenon to be measured in a data set. In a data set the instance of the measure is often called the observation.
242 -| |/conceptIdentity|(% style="width:695px" %)An association to the Concept which carries the values of the measures.
236 +)))|The metadata concept that is the phenomenon to be measured in a data set. In a data set the instance of the measure is often called the observation.
237 +| |/conceptIdentity|An association to the Concept which carries the values of the measures.
243 243  |//AttributeRelationship//|(((
244 244  Abstract Class
245 245  Sub classes
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250 250  GroupRelationship
251 251  Dimension
252 252  Relationship
253 -)))|(% style="width:695px" %)Specifies the type of artefact to which a Data Attribute can be attached in a Data Set.
254 -|NoSpecifiedRelationship| |(% style="width:695px" %)The Data Attribute is not related to any specific construct.
255 -|PrimaryMeasure Relationship| |(% style="width:695px" %)The Data Attribute is related to the Primary Measure construct.
256 -|GroupRelationship| |(% style="width:695px" %)The Data Attribute is related to a Group Dimension Descriptor construct.
257 -| |+groupKey|(% style="width:695px" %)An association to the Group Dimension Descriptor
258 -|DimensionRelationship| |(% style="width:695px" %)The Data Attribute is related to a set of Dimensions.
259 -| |+dimensions|(% style="width:695px" %)Association to the set of Dimensions to which the Data Attribute is related.
260 -| |+groupKey|(% style="width:695px" %)Association to the Group Dimension Descriptor which specifies the set of Dimensions to which the Data Attribute is attached.
248 +)))|Specifies the type of artefact to which a Data Attribute can be attached in a Data Set.
249 +|NoSpecifiedRelationship| |The Data Attribute is not related to any specific construct.
250 +|PrimaryMeasure Relationship| |The Data Attribute is related to the Primary Measure construct.
251 +|GroupRelationship| |The Data Attribute is related to a Group Dimension Descriptor construct.
252 +| |+groupKey|An association to the Group Dimension Descriptor
253 +|DimensionRelationship| |The Data Attribute is related to a set of Dimensions.
254 +| |+dimensions|Association to the set of Dimensions to which the Data Attribute is related.
255 +| |+groupKey|Association to the Group Dimension Descriptor which specifies the set of Dimensions to which the Data Attribute is attached.
261 261  
262 262  The explanation of the classes, attributes, and associations comprising the Representation is described in the section on the SDMX Base.
263 263  
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269 269  
270 270  === {{id name="_Toc371018"/}}5.4.2 Class Diagram ===
271 271  
272 -(% class="wikigeneratedid" id="H" %)
273 -[[image:1747897072125-219.png]]
267 +====== ======
274 274  
275 -(% class="wikigeneratedid" id="HFigure26ClassDiagramoftheDataSet" %)
276 -**Figure 26 Class Diagram of the Data Set**
269 +====== **Figure 26 Class Diagram of the Data Set** ======
277 277  
278 278  === {{id name="_Toc371019"/}}5.4.3 Explanation of the Diagram ===
279 279  
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449 449  Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Data Attribute in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Attribute Value.
450 450  )))
451 451  
452 -
445 +Ъ
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