Changes for page 13 Structure Mapping

Last modified by Helena on 2025/09/10 11:19

From version 11.3
edited by Helena
on 2025/05/16 12:54
Change comment: There is no comment for this version
To version 13.3
edited by Helena
on 2025/05/17 00:40
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -4,28 +4,28 @@
4 4  
5 5  == 13.1 Introduction ==
6 6  
7 -The purpose of SDMX structure mapping is to transform datasets from one dimensionality to another. In practice, this means that the input and output datasets conform to different Data Structure Definition.
7 +The purpose of [[SDMX>>doc:xwiki:Glossary.Statistical data and metadata exchange.WebHome]] structure mapping is to transform [[datasets>>doc:xwiki:Glossary.Data set.WebHome]] from one dimensionality to another. In practice, this means that the input and output [[datasets>>doc:xwiki:Glossary.Data set.WebHome]] conform to different Data Structure Definition.
8 8  
9 -Structure mapping does not alter the observation values and is not intended to perform any aggregations or calculations.
9 +Structure mapping does not alter the [[observation values>>doc:xwiki:Glossary.Observation value.WebHome]] and is not intended to perform any aggregations or calculations.
10 10  
11 -An input series maps to:
11 +An input series (% style="color:#2ecc71" %)maps(%%) to:
12 12  
13 13  1. Exactly one output series; or
14 -1. Multiple output series with different Series Keys, but the same observation values; or
15 -1. Zero output series where no source rule matches the input Component values.
14 +1. Multiple output series with different [[Series Keys>>doc:xwiki:Glossary.Series key.WebHome]], but the same [[observation values>>doc:xwiki:Glossary.Observation value.WebHome]]; or
15 +1. Zero output series where no source rule matches the input [[Component>>doc:xwiki:Glossary.Component.WebHome]] values.
16 16  
17 17  Typical use cases include:
18 18  
19 19  * Transforming received data into a common internal structure;
20 20  * Transforming reported data into the data collector's preferred structure;
21 -* Transforming unidimensional datasets{{footnote}}Unidimensional datasets are those with a single 'indicator' or 'series code' dimension.{{/footnote}} to multi-dimensional; and
22 -* Transforming internal datasets with a complex structure to a simpler structure with fewer dimensions suitable for dissemination.
21 +* Transforming unidimensional [[datasets>>doc:xwiki:Glossary.Data set.WebHome]]{{footnote}}Unidimensional datasets are those with a single 'indicator' or 'series code' dimension.{{/footnote}} to multi-dimensional; and
22 +* Transforming internal [[datasets>>doc:xwiki:Glossary.Data set.WebHome]] with a complex structure to a simpler structure with fewer [[dimensions>>doc:xwiki:Glossary.Dimension.WebHome]] suitable for dissemination.
23 23  
24 24  == 13.2 1-1 structure maps ==
25 25  
26 -1-1 (pronounced 'one to one') mappings support the simple use case where the value of a Component in the source structure is translated to a different value in the target, usually where different classification schemes are used for the same Concept.
26 +1-1 (pronounced 'one to one') mappings support the simple use case where the value of a [[Component>>doc:xwiki:Glossary.Component.WebHome]] in the source structure is translated to a different value in the target, usually where different classification schemes are used for the same Concept.
27 27  
28 -In the example below, ISO 2-character country codes are mapped to their ISO 3character equivalent.
28 +In the example below, ISO 2-character country [[codes>>doc:xwiki:Glossary.Code.WebHome]] are (% style="color:#2ecc71" %)mapped(%%) to their ISO 3character equivalent.
29 29  
30 30  (% style="width:666.294px" %)
31 31  |(% style="width:217px" %)**Country**|(% style="width:251px" %)**Alpha-2 code**|(% style="width:195px" %)**Alpha-3 code**
... ... @@ -336,11 +336,13 @@
336 336  
337 337  [[image:SDMX 3-0-0 SECTION 6 FINAL-1.0_en_295af259.jpg||height="265" width="477"]]
338 338  
339 -==== Figure 24 showing the component map mapping the SOURCE_DATE Dimension to the TIME_PERIOD dimension with the additional information on the component map to describe the time format ====
339 +(% class="wikigeneratedid" id="HFigure24showingthecomponentmapmappingtheSOURCE_DATEDimensiontotheTIME_PERIODdimensionwiththeadditionalinformationonthecomponentmaptodescribethetimeformat" %)
340 +**Figure 24 showing the component map mapping the SOURCE_DATE Dimension to the TIME_PERIOD dimension with the additional information on the component map to describe the time format**
340 340  
341 341  [[image:SDMX 3-0-0 SECTION 6 FINAL-1.0_en_a3215c79.jpg||height="265" width="480"]]
342 342  
343 -==== Figure 25 showing an input date format, whose output frequency is derived from the output value of the FREQ Dimension ====
344 +(% class="wikigeneratedid" id="HFigure25showinganinputdateformat2CwhoseoutputfrequencyisderivedfromtheoutputvalueoftheFREQDimension" %)
345 +**Figure 25 showing an input date format, whose output frequency is derived from the output value of the FREQ Dimension**
344 344  
345 345  === 13.7.2 Numerical based datetime ===
346 346  
... ... @@ -440,7 +440,7 @@
440 440  Validity Period start period=2010
441 441  )))|(% style="width:328px" %)(((
442 442  Set
443 -OBS_CONF=F** **
445 +OBS_CONF=F
444 444  )))
445 445  
446 446  In Rule 1, start period resolves to the start of the 2007 period (2007-01-01T00:00:00), and the end period resolves to the very end of 2009 (2009-12-31T23:59:59). The rule will hold true regardless of the input data frequency. Any observations reporting data for the Indicator XULADS that fall into that time range will have an OBS_CONF value of F.
... ... @@ -511,7 +511,7 @@
511 511  Or using a validity period on the Representation Mapping:
512 512  
513 513  (% style="width:693.294px" %)
514 -|(% style="width:221px" %)Input INDICATOR|(% style="width:222px" %)Valid From/ Valid To|(% style="width:246px" %)Output OBS_CONF
516 +|(% style="width:221px" %)**Input INDICATOR**|(% style="width:222px" %)**Valid From/ Valid To**|(% style="width:246px" %)**Output OBS_CONF**
515 515  |(% style="width:221px" %)XULADS|(% style="width:222px" %)2008/2010|(% style="width:246px" %)C
516 516  
517 517  === 13.10.4 Time mapping ===
... ... @@ -526,40 +526,32 @@
526 526  |(% style="width:163px" %)18/07/1981|(% style="width:219px" %)dd/MM/yyyy|(% style="width:198px" %)A|(% style="width:180px" %)1981
527 527  )))
528 528  
529 -When the target frequency is based on another target Dimension value, in this example __the value of the FREQ Dimension in the tar__get DSD.
531 +When the target frequency is based on another target Dimension value, in this example the value of the FREQ Dimension in the target DSD.
530 530  
531 -
532 532  (((
533 -|Source Value|Source Mapping|Target Frequency Output Dimension
534 +(% style="width:734.294px" %)
535 +|(% style="width:165px" %)**Source Value**|(% style="width:220px" %)**Source Mapping**|(% style="width:161px" %)**Target Frequency**|(% style="width:251px" %)**Output Dimension**
536 +|(% style="width:165px" %)18/07/1981|(% style="width:220px" %)dd/MM/yyyy|(% style="width:161px" %)FREQ|(% style="width:251px" %)1981-07-18 (when FREQ=D)
534 534  
535 -|18/07/1981 dd/MM/yyyy|FREQ| |1981-07-18 (when FREQ=D)
536 -|(% rowspan="2" %)(((
537 -__When the source is a numerical form__at
538 +When the source is a numerical format
538 538  
539 -Source Value Start Period Interv
540 -)))| | |
541 -|al|(((
542 -Target
540 +(% style="width:892.294px" %)
541 +|(% style="width:165px" %)**Source Value**|(% style="width:133px" %)**Start Period**|(% style="width:191px" %)**Interv**|(% style="width:264px" %)**Target FREQ**|(% style="width:167px" %)**Output**
542 +|(% style="width:165px" %)1589808220|(% style="width:133px" %)1970|(% style="width:191px" %)millisecond|(% style="width:264px" %)1981-07-18 (when FREQ=D)|(% style="width:167px" %)2020-05
543 543  
544 -FREQ
545 -)))|Output
546 -|(% colspan="2" %)1589808220 1970 millisecond|M|2020-05
544 +When the source frequency is lower than the target frequency additional information 3485 can be provided for resolve to start of period, end of period, or mid period, as shown 3486 in the following example:
547 547  )))
548 548  
549 -When the source frequency is lower than the target frequency additional information 3485 can be provided for resolve to start of period, end of period, or mid period, as shown 3486 in the following example:
547 +(% style="width:892.294px" %)
548 +|(% style="width:165px" %)**Source Value**|(% style="width:133px" %)**Source Mapping**|(% style="width:191px" %)**Target Dimension**|(% style="width:264px" %)**Frequency**|(% style="width:167px" %)**Output**
549 +|(% style="width:165px" %)1981|(% style="width:133px" %)yyyy|(% style="width:191px" %)D – End of Period|(% style="width:264px" %) |(% style="width:167px" %)1981-12-31
550 550  
551 -Source Value Source Mapping Target Frequency Output
552 -
553 -Dimension
554 -
555 - 1981 yyyy D – End of Period 1981-12-31
556 -
557 557  When the start of year is April 1^^st^^ the Structure Map has YearStart=04-01:
558 558  
559 -Source Value Source Mapping Target Frequency Output
553 +(% style="width:892.294px" %)
554 +|(% style="width:165px" %)**Source Value**|(% style="width:133px" %)**Source Mapping**|(% style="width:191px" %)**Target Dimension**|(% style="width:264px" %)**Frequency**|(% style="width:167px" %)**Output**
555 +|(% style="width:165px" %)1981|(% style="width:133px" %)yyyy|(% style="width:191px" %)D – End of Period|(% style="width:264px" %) |(% style="width:167px" %)1982-03-31
560 560  
561 -Dimension
557 +----
562 562  
563 -1981 yyyy D – End of Period 1982-03-31
564 -
565 565  {{putFootnotes/}}