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Last modified by Artur on 2025/09/10 11:19
From version 3.3
edited by Helena
on 2025/05/22 00:42
Change comment: There is no comment for this version
To version 3.5
edited by Helena
on 2025/05/22 00:47
Change comment: There is no comment for this version

Summary

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... ... @@ -168,12 +168,11 @@
168 168  |StructureUsage| |See “SDMX Base”.
169 169  |DataflowDefinition|(((
170 170  Inherits from
171 -
172 172  //StructureUsage//
173 173  )))|Abstract concept (i.e. the structure without any data) of a flow of data that providers will provide for different reference periods.
174 174  | |/structure|Associates a Dataflow Definition to the Data Structure Definition.
175 175  |DataStructureDefinition| |A collection of metadata concepts, their structure and usage when used to collect or disseminate data.
176 -| |///grouping //|An association to a set of metadata concepts that have an identified structural role in a Data Structure Definition.
175 +| |///grouping//|An association to a set of metadata concepts that have an identified structural role in a Data Structure Definition.
177 177  |(((
178 178  Group
179 179  
... ... @@ -180,7 +180,6 @@
180 180  DimensionDescriptor
181 181  )))|(((
182 182  Inherits from
183 -
184 184  //ComponentList//
185 185  )))|A set metadata concepts that define a partial key derived from the Dimension Descriptor in a Data Structure Definition.
186 186  | |+constraint|Identifies an Attachment Constraint that specifies the sub set of Dimension, Measure, or Attribute values to which an Attribute can be attached.
... ... @@ -187,16 +187,14 @@
187 187  | |/components|An association to the Dimension and Measure Dimension components that comprise the group.
188 188  |DimensionDescriptor|(((
189 189  Inherits from
190 -
191 191  //ComponentList//
192 192  )))|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.
193 193  | |/components|An association to the Dimension, Measure Dimension, and Time Dimension comprising the Key Descriptor.
194 194  |AttributeDescriptor|(((
195 195  Inherits from
196 -
197 197  //ComponentList//
198 198  )))|A set metadata concepts that define the attributes of a Data Structure Definition.
199 -| |/components//    //|An association to a Data Attribute component.
195 +| |/components|An association to a Data Attribute component.
200 200  |MeasureDescriptor|(((
201 201  Inherits from
202 202  
... ... @@ -205,7 +205,6 @@
205 205  | |/components|An association to a measure component.
206 206  |Dimension|(((
207 207  Inherits from
208 -
209 209  Component
210 210  )))|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.
211 211  | |/role|Association to the Concept that specifies the role that that the Dimension plays in the Data Structure Definition.
... ... @@ -213,17 +213,13 @@
213 213  |MeasureDimension|(((
214 214  Inherits from
215 215  
216 -Dimension//    //
211 +Dimension
217 217  )))|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 -
221 221  Component
222 -
223 223  Sub class
224 -
225 225  ReportingYear
226 -
227 227  StartDay
228 228  )))|A characteristic of an object or entity.
229 229  | |/role|Association to the Concept that specifies the role that that the Data Attribute plays in the Data Structure Definition.
... ... @@ -233,36 +233,26 @@
233 233  |TimeDimension|(((
234 234  Inherits from
235 235  
236 -Dimension//    //
227 +Dimension
237 237  )))|A metadata concept that identifies the component in the key structure that has the role of “time”.
238 238  |ReportingYearStartDay|(((
239 239  Inherits from
240 -
241 241  DataAttribute
242 242  )))|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.
243 243  |PrimaryMeasure|(((
244 244  Inherits from
245 -
246 246  //Component//
247 247  )))|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.
248 248  | |/conceptIdentity|An association to the Concept which carries the values of the measures.
249 249  |//AttributeRelationship//|(((
250 250  Abstract Class
251 -
252 252  Sub classes
253 -
254 254  NoSpecified
255 -
256 256  Relationship
257 -
258 258  PrimaryMeasure
259 -
260 260  Relationship
261 -
262 262  GroupRelationship
263 -
264 264  Dimension
265 -
266 266  Relationship
267 267  )))|Specifies the type of artefact to which a Data Attribute can be attached in a Data Set.
268 268  |NoSpecifiedRelationship| |The Data Attribute is not related to any specific construct.
... ... @@ -273,8 +273,6 @@
273 273  | |+dimensions|Association to the set of Dimensions to which the Data Attribute is related.
274 274  | |+groupKey|Association to the Group Dimension Descriptor which specifies the set of Dimensions to which the Data Attribute is attached.
275 275  
276 -
277 -
278 278  The explanation of the classes, attributes, and associations comprising the Representation is described in the section on the SDMX Base.
279 279  
280 280  == {{id name="_Toc371016"/}}5.4 Data Set – Relationship View ==
... ... @@ -295,10 +295,8 @@
295 295  
296 296  An organisation playing the role of DataProvider can be responsible for one or more //DataSet//.
297 297  
298 -A //DataSet// can be formatted either as a generic data set (GenericDataSet,
277 +A //DataSet// can be formatted either as a generic data set (GenericDataSet, GenericTimeseriesDataSet) or a DataStructureDefinition specific data set (StructureSpecificDataSet, StructureSpecificTimeseriesDataSet). The generic data set is structured in exactly the same way no matter which DataStructureDefinition the DataSet expresses. The structured data set is structured according to one specific DataStructureDefinition. Depending on the syntax chosen for the implementation the structured data set should support better validation at the syntax level.
299 299  
300 -GenericTimeseriesDataSet) or a DataStructureDefinition specific data set (StructureSpecificDataSet, StructureSpecificTimeseriesDataSet). The generic data set is structured in exactly the same way no matter which DataStructureDefinition the DataSet expresses. The structured data set is structured according to one specific DataStructureDefinition. Depending on the syntax chosen for the implementation the structured data set should support better validation at the syntax level.
301 -
302 302  A //DataSet// is a collection of a set of //Observation//s that share the same dimensionality, which is specified by a set of unique components (Dimension, MeasureDimension, TimeDimension) defined in the DimensionDescriptor of the DataStructureDefinition, together with associated //AttributeValue//s that define specific characteristics about the artefact to which it is attached. - DataSet, Observation, set of Dimensions. It is structured in terms of a SeriesKey to which //Observation//s are reported.
303 303  
304 304  The Observation can be the value of the variable being measured for the Concept associated to the PrimaryMeasure in the MeasureDescriptor of the DataStructureDefinition. This is true when there is no MeasureDimension that specifies the precise meaning of each Observation. Each Observation associates an ObservationValue with a KeyValue (+observationDimension) which is the value for the “Dimension at the Observation Level”. Any dimension can be specified as being the “Dimension at the Observation Level”, and this specification is made at the level of the //DataSet// (i.e. it must be the same dimension for the entire //DataSet//).
... ... @@ -321,185 +321,145 @@
321 321  
322 322  ==== 5.4.3.2 Definitions ====
323 323  
324 -|**Class**|**Feature**|**Description**
325 -|//DataSet//|(((
301 +(% style="width:1012.83px" %)
302 +|(% style="width:182px" %)**Class**|(% style="width:210px" %)**Feature**|(% style="width:617px" %)**Description**
303 +|(% style="width:182px" %)//DataSet//|(% style="width:210px" %)(((
326 326  Abstract Class
327 -
328 328  Sub classes
329 -
330 330  GenericDataSet
331 -
332 332  StructureSpecificDataSet
333 -
334 334  GenericTime
335 -
336 336  SeriesDataSet
337 -
338 338  StructureSpecificTime
339 -
340 340  SeriesDataSet
341 -)))|An organised collection of data.
342 -| |reportingBegin|A specific time period in a known system of time periods that identifies the start period of a report.
343 -| |reportingEnd|A specific time period in a known system of time periods that identifies the end period of a report.
344 -| |dataExtractionDate|A specific time period that identifies the date and time that the data are extracted from a data source.
345 -| |validFrom|Indicates the inclusive start time indicating the validity of the information in the data set.
346 -| |validTo|Indicates the inclusive end time indicating the validity of the information in the data set.
347 -| |publicationYear|Specifies the year of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
348 -| |publicationPeriod|Specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
349 -| |setId|Provides an identification of the data set.
350 -| |action|Defines the action to be taken by the recipient system (update, append, delete)
351 -| |describedBy|Associates a data flow definition and thereby a Data Structure Definition to the data set.
352 -| |+structuredBy|Associates the Data Structure Definition that defines the structure of the Data Set. Note that the Data Structure Definition is the same as that associated (nonmandatory) to the Dataflow Definition.
353 -| |+publishedBy|Associates the Data Provider that reports/publishes the data.
354 -| |+attachedAttribute|Association to the Attribute Values relating to the Data Set
355 -|GenericDataSet| |A data format structure that is able to contain data corresponding to any Data Structure Definition.
356 -|StructureSpecific DataSet| |A data format structure that contains data corresponding to one specific Data Structure Definition.
357 -|GenericTimeseries DataSet| |A data format structure that is able to contain timeseries data corresponding to any Data Structure Definition.
358 -|(((
312 +)))|(% style="width:617px" %)An organised collection of data.
313 +|(% style="width:182px" %) |(% style="width:210px" %)reportingBegin|(% style="width:617px" %)A specific time period in a known system of time periods that identifies the start period of a report.
314 +|(% style="width:182px" %) |(% style="width:210px" %)reportingEnd|(% style="width:617px" %)A specific time period in a known system of time periods that identifies the end period of a report.
315 +|(% style="width:182px" %) |(% style="width:210px" %)dataExtractionDate|(% style="width:617px" %)A specific time period that identifies the date and time that the data are extracted from a data source.
316 +|(% style="width:182px" %) |(% style="width:210px" %)validFrom|(% style="width:617px" %)Indicates the inclusive start time indicating the validity of the information in the data set.
317 +|(% style="width:182px" %) |(% style="width:210px" %)validTo|(% style="width:617px" %)Indicates the inclusive end time indicating the validity of the information in the data set.
318 +|(% style="width:182px" %) |(% style="width:210px" %)publicationYear|(% style="width:617px" %)Specifies the year of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
319 +|(% style="width:182px" %) |(% style="width:210px" %)publicationPeriod|(% style="width:617px" %)Specifies the period of publication of the data or metadata in terms of whatever provisioning agreements might be in force.
320 +|(% style="width:182px" %) |(% style="width:210px" %)setId|(% style="width:617px" %)Provides an identification of the data set.
321 +|(% style="width:182px" %) |(% style="width:210px" %)action|(% style="width:617px" %)Defines the action to be taken by the recipient system (update, append, delete)
322 +|(% style="width:182px" %) |(% style="width:210px" %)describedBy|(% style="width:617px" %)Associates a data flow definition and thereby a Data Structure Definition to the data set.
323 +|(% style="width:182px" %) |(% style="width:210px" %)+structuredBy|(% style="width:617px" %)Associates the Data Structure Definition that defines the structure of the Data Set. Note that the Data Structure Definition is the same as that associated (nonmandatory) to the Dataflow Definition.
324 +|(% style="width:182px" %) |(% style="width:210px" %)+publishedBy|(% style="width:617px" %)Associates the Data Provider that reports/publishes the data.
325 +|(% style="width:182px" %) |(% style="width:210px" %)+attachedAttribute|(% style="width:617px" %)Association to the Attribute Values relating to the Data Set
326 +|(% style="width:182px" %)GenericDataSet|(% style="width:210px" %) |(% style="width:617px" %)A data format structure that is able to contain data corresponding to any Data Structure Definition.
327 +|(% style="width:182px" %)StructureSpecific DataSet|(% style="width:210px" %) |(% style="width:617px" %)A data format structure that contains data corresponding to one specific Data Structure Definition.
328 +|(% style="width:182px" %)GenericTimeseries DataSet|(% style="width:210px" %) |(% style="width:617px" %)A data format structure that is able to contain timeseries data corresponding to any Data Structure Definition.
329 +|(% style="width:182px" %)(((
359 359  StructureSpecific
360 360  
361 361  TimeseriesDataSet
362 -)))| |A data format structure that contains timeseries data corresponding to one specific Data Structure Definition.
363 -|Key|(((
333 +)))|(% style="width:210px" %) |(% style="width:617px" %)A data format structure that contains timeseries data corresponding to one specific Data Structure Definition.
334 +|(% style="width:182px" %)Key|(% style="width:210px" %)(((
364 364  Abstract class Sub classes
365 -
366 366  SeriesKey
367 -
368 368  GroupKey
369 -)))|Comprises the cross product of values of dimensions that identify uniquely an Observation.
370 -| |keyValues|Association to the individual Key Values that comprise the Key.
371 -| |+attachedAttribute|Association to the Attribute Values relating to the Series Key or Group Key.
372 -|//KeyValue//|(((
338 +)))|(% style="width:617px" %)Comprises the cross product of values of dimensions that identify uniquely an Observation.
339 +|(% style="width:182px" %) |(% style="width:210px" %)keyValues|(% style="width:617px" %)Association to the individual Key Values that comprise the Key.
340 +|(% style="width:182px" %) |(% style="width:210px" %)+attachedAttribute|(% style="width:617px" %)Association to the Attribute Values relating to the Series Key or Group Key.
341 +|(% style="width:182px" %)//KeyValue//|(% style="width:210px" %)(((
373 373  Abstract class
374 -
375 375  Sub classes
376 -
377 377  MeasureKeyValue
378 -
379 379  TimeKeyValue
380 -
381 381  CodedKeyValue
382 -
383 383  UncodedKeyValue
384 -)))|The value of a component of a key such as the value of the instance a Dimension in a Dimension Descriptor of a Data Structure Definition.
385 -| |+valueFor|(((
348 +)))|(% style="width:617px" %)The value of a component of a key such as the value of the instance a Dimension in a Dimension Descriptor of a Data Structure Definition.
349 +|(% style="width:182px" %) |(% style="width:210px" %)+valueFor|(% style="width:617px" %)(((
386 386  Association to the key component in the Data Structure Definition for which this Key Value is a valid representation.
387 -
388 388  Note that this is conceptual association as the key component is identified explicitly in the data set.
389 389  )))
390 -|MeasureKeyValue|(((
353 +|(% style="width:182px" %)MeasureKeyValue|(% style="width:210px" %)(((
391 391  Inherits from
392 -
393 393  //KeyValue//
394 -)))|The value of the Measure Dimension component of the key. The value is the Concept to which this class is associated.
395 -| |+value|(((
356 +)))|(% style="width:617px" %)The value of the Measure Dimension component of the key. The value is the Concept to which this class is associated.
357 +|(% style="width:182px" %) |(% style="width:210px" %)+value|(% style="width:617px" %)(((
396 396  Association to the Concept.
397 -
398 -Note that this is a conceptual association showing that the Concept must exist in the Concept Scheme associated with the Measure Dimension in the Data Structure
399 -
400 -Definition. In the actual Data Set the value of the Concept is placed in the Key Value.
359 +Note that this is a conceptual association showing that the Concept must exist in the Concept Scheme associated with the Measure Dimension in the Data Structure Definition. In the actual Data Set the value of the Concept is placed in the Key Value.
401 401  )))
402 -|TimeKeyValue|(((
361 +|(% style="width:182px" %)TimeKeyValue|(% style="width:210px" %)(((
403 403  Inherits from
404 -
405 405  //KeyValue//
406 -)))|The value of the Time Dimension component of the key.
407 -|CodedKeyValue|(((
364 +)))|(% style="width:617px" %)The value of the Time Dimension component of the key.
365 +|(% style="width:182px" %)CodedKeyValue|(% style="width:210px" %)(((
408 408  Inherits from
409 -
410 410  //KeyValue//
411 -)))|The value of a coded component of the key. The value is the Code to which this class is associated.
412 -| |+value|(((
368 +)))|(% style="width:617px" %)The value of a coded component of the key. The value is the Code to which this class is associated.
369 +|(% style="width:182px" %) |(% style="width:210px" %)+value|(% style="width:617px" %)(((
413 413  Association to the Code.
414 -
415 -Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Dimension in the Data
416 -
417 -Structure Definition. In the actual Data Set the value of the Code is placed in the Key Value.
371 +Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Dimension in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Key Value.
418 418  )))
419 -|UnCodedKeyValue|(((
373 +|(% style="width:182px" %)UnCodedKeyValue|(% style="width:210px" %)(((
420 420  Inherits from
421 -
422 422  //KeyValue//
423 -)))|The value of an uncoded component of the key.
424 -| |value|The value of the key component.
425 -| |startTime|This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
426 -| |+valueFor|Associates Dimension, Measure Dimension, or Time Dimension to the Key Value, and thereby to the Concept that is the semantic of the Dimension, or Time Dimension.
427 -|GroupKey|(((
376 +)))|(% style="width:617px" %)The value of an uncoded component of the key.
377 +|(% style="width:182px" %) |(% style="width:210px" %)value|(% style="width:617px" %)The value of the key component.
378 +|(% style="width:182px" %) |(% style="width:210px" %)startTime|(% style="width:617px" %)This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
379 +|(% style="width:182px" %) |(% style="width:210px" %)+valueFor|(% style="width:617px" %)Associates Dimension, Measure Dimension, or Time Dimension to the Key Value, and thereby to the Concept that is the semantic of the Dimension, or Time Dimension.
380 +|(% style="width:182px" %)GroupKey|(% style="width:210px" %)(((
428 428  Inherits from
429 429  
430 430  Key
431 -)))|A set of Key Values that comprise a partial key, of the same dimensionality as the Time Series Key for the purpose of attaching Data Attributes.
432 -| |+describedBy|Associates the Group Dimension Descriptor defined in the Data Structure Definition.
433 -|SeriesKey|(((
384 +)))|(% style="width:617px" %)A set of Key Values that comprise a partial key, of the same dimensionality as the Time Series Key for the purpose of attaching Data Attributes.
385 +|(% style="width:182px" %) |(% style="width:210px" %)+describedBy|(% style="width:617px" %)Associates the Group Dimension Descriptor defined in the Data Structure Definition.
386 +|(% style="width:182px" %)SeriesKey|(% style="width:210px" %)(((
434 434  Inherits from
435 -
436 436  Key
437 -)))|Comprises the cross product of values of all the Key Values that, together with the Key Value of the +observation Dimension identify uniquely an Observation.
438 -| |+describedBy|Associates the Dimension Descriptor defined in the Data Structure Definition.
439 -|Observation| |The value of the observed phenomenon in the context of the Key Values comprising the key.
440 -| |+valueFor|Associates the Primary Measure defined in the Data Structure Definition.
441 -| |+attachedAttribute|Association to the Attribute Values relating to the Observation.
442 -| |+observationDimension|Association to the Key Value that holds the value of the “Dimension at the Observation Level”.
443 -|//ObservationValue//|(((
389 +)))|(% style="width:617px" %)Comprises the cross product of values of all the Key Values that, together with the Key Value of the +observation Dimension identify uniquely an Observation.
390 +|(% style="width:182px" %) |(% style="width:210px" %)+describedBy|(% style="width:617px" %)Associates the Dimension Descriptor defined in the Data Structure Definition.
391 +|(% style="width:182px" %)Observation|(% style="width:210px" %) |(% style="width:617px" %)The value of the observed phenomenon in the context of the Key Values comprising the key.
392 +|(% style="width:182px" %) |(% style="width:210px" %)+valueFor|(% style="width:617px" %)Associates the Primary Measure defined in the Data Structure Definition.
393 +|(% style="width:182px" %) |(% style="width:210px" %)+attachedAttribute|(% style="width:617px" %)Association to the Attribute Values relating to the Observation.
394 +|(% style="width:182px" %) |(% style="width:210px" %)+observationDimension|(% style="width:617px" %)Association to the Key Value that holds the value of the “Dimension at the Observation Level”.
395 +|(% style="width:182px" %)//ObservationValue//|(% style="width:210px" %)(((
444 444  Abstract class
445 -
446 446  Sub classes
447 -
448 448  UncodedObservation
449 -
450 450  CodedObservation
451 -)))|
452 -|UncodedObservation|(((
400 +)))|(% style="width:617px" %)
401 +|(% style="width:182px" %)UncodedObservation|(% style="width:210px" %)(((
453 453  Inherits from
454 -
455 455  ObservationValue
456 -)))|An observation that has a text value.
457 -| |value|The value of the Uncoded Observation.
458 -|CodedObservation|(((
404 +)))|(% style="width:617px" %)An observation that has a text value.
405 +|(% style="width:182px" %) |(% style="width:210px" %)value|(% style="width:617px" %)The value of the Uncoded Observation.
406 +|(% style="width:182px" %)CodedObservation|(% style="width:210px" %)(((
459 459  Inherits from
460 -
461 461  ObservationValue
462 -)))|An Observation that takes its value from a code in a Code list.
463 -| |+value|(((
409 +)))|(% style="width:617px" %)An Observation that takes its value from a code in a Code list.
410 +|(% style="width:182px" %) |(% style="width:210px" %)+value|(% style="width:617px" %)(((
464 464  Association to the Code that is the value of the Observation.
465 -
466 -Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Primary Measure or the Concept of the Measure Dimension in the Data
467 -
468 -Structure Definition. In the actual Data Set the value of the Code is placed in the Observation.
412 +Note that this is a conceptual association showing that the Code must exist in the Code list associated with the Primary Measure or the Concept of the Measure Dimension in the Data Structure Definition. In the actual Data Set the value of the Code is placed in the Observation.
469 469  )))
470 -|//AttributeValue//|(((
414 +|(% style="width:182px" %)//AttributeValue//|(% style="width:210px" %)(((
471 471  Abstract class
472 -
473 473  Sub classes
474 -
475 -//UncodedAttributeValue//
476 -
477 -//CodedAttributeValue//
478 -)))|The value of an attribute, such as the instance of a Coded Attribute or of an Uncoded Attribute in a structure such as a Data Structure Definition.
479 -| |value|The value of the attribute.
480 -| |+valueFor|(((
417 +//UncodedAttributeValue
418 +CodedAttributeValue//
419 +)))|(% style="width:617px" %)The value of an attribute, such as the instance of a Coded Attribute or of an Uncoded Attribute in a structure such as a Data Structure Definition.
420 +|(% style="width:182px" %) |(% style="width:210px" %)value|(% style="width:617px" %)The value of the attribute.
421 +|(% style="width:182px" %) |(% style="width:210px" %)+valueFor|(% style="width:617px" %)(((
481 481  Association to the Data Attribute defined in the Data Structure Definition.
482 -
483 483  Note that this is conceptual association as the Concept is identified explicitly in the data set.
484 484  )))
485 -|//UncodedAttribute Value//|(((
425 +|(% style="width:182px" %)//UncodedAttribute Value//|(% style="width:210px" %)(((
486 486  Inherits from
487 -
488 488  //AttributeValue//
489 -)))|An attribute value that has a text value.
490 -| |startTime|This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
491 -|(((
428 +)))|(% style="width:617px" %)An attribute value that has a text value.
429 +|(% style="width:182px" %) |(% style="width:210px" %)startTime|(% style="width:617px" %)This attribute is only used if the textFormat of the attribute is of the Timespan type in the Data Structure Definition (in which case the value field takes a duration).
430 +|(% style="width:182px" %)(((
492 492  CodedAttribute
493 493  
494 494  Value
495 -)))|(((
434 +)))|(% style="width:210px" %)(((
496 496  Inherits from
497 -
498 498  //AttributeValue//
499 -)))|An attribute that takes it value from a Code in Code list.
500 -| |+value|(((
437 +)))|(% style="width:617px" %)An attribute that takes it value from a Code in Code list.
438 +|(% style="width:182px" %) |(% style="width:210px" %)+value|(% style="width:617px" %)(((
501 501  Association to the Code that is the value of the Attribute Value.
502 -
503 503  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.
504 504  )))
505 505