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METADATA FOR CORRESPONDENCE FILES
CORRESPONDENCE WORKBOOK AND FIELD DEFINITIONS Below is an example of the content for each of the Worksheets in the correspondence Microsoft Excel Workbook files provided in this publication. Definition of the fields in the Worksheets is also provided with the examples. The QI_MEASURE Worksheet Table 2: An example of the overall quality indicator of a grid based correspondence file.
In the above example the field name and descriptions are: QI_MEASURE The overall quality indicator for the entire correspondence. The QI_INDICATOR Worksheet Table 3: An example of the quality indicator of a grid based correspondence file for each TO region.
In the above example the field names and descriptions are as follows: LGA_CODE_2011 This is a unique code associated with each TO region, to which a textual description of quality is supplied. In this case it is the unique Local Government Area code. LGA_NAME_2011 This is the name of the Local Government Area which in this example is the TO region to which a textual description of quality is supplied. QI_INDICATOR This is the textual description of quality that is supplied for each TO region of the correspondence. The CORRESPONDENCE Worksheet Table 4: An example of a grid based correspondence file.
In the above example the field names and descriptions are as follows: SA2_MAINCODE_2011 This is the unique numerical code representing the FROM region and in this case, the unique 2011 Statistical Area Level 2 code. SA2_NAME_2011 This is a textual label associated with the unique code of the FROM region, in this case it is the textual label for each 2011 Statistical Area Level 2. LGA_CODE_2011 This is the unique numerical code representing the TO region, in this case it is the unique 2011 Local Government Area code. LGA_NAME_2011 This is a textual label associated with the unique code of the TO region, in this case it is the textual label for each 2011 Local Government Area. RATIO This field describes the Ratio of the FROM region that is being donated to the TO region. The Ratio is a figure between 0 and 1. PERCENTAGE This field describes the Percentage of the FROM region that is being donated to the TO region. The Percentage is the Ratio multiplied by 100. The NULL_TO_OR_FROM_FIELD Worksheet Table 5: An example of a table identifying NULL areas in either the TO or FROM region in a grid based correspondence.
In the above example the field names and descriptions are as follows: SA2_MAINCODE_2011 This is the unique numerical code representing the FROM region, in this case it is the unique 2011 Statistical Area Level 2 code. SA2_NAME_2011 This is a textual label associated with the unique code of the FROM region, in this case it is the textual label for each 2011 Statistical Area Level 2. LGA_CODE_2011 This is the unique numerical code representing the TO region, in this case it is the unique 2011 Local Government Area code. In the example above there is no LGA Code listed which indicates that the SA2 of Lake Burley Griffin does not correspond with any LGA. LGA_NAME_2011 This is a textual label associated with the unique code of the TO region, in this case it is the textual label for each 2011 Local Government Area. RATIO This field describes the Ratio of the FROM region that is being donated to the TO region. The Ratio is a figure between 0 and 1. PERCENTAGE This field describes the Percentage of the FROM region that is being donated to the TO region. The Percentage is the Ratio multiplied by 100. The BELOW_MINIMUM_OUTPUT_SIZE Worksheet Table 6: An example of a table identifying ratios and percents of a TO region that is below minimum output size.
In the above example the field names and descriptions are as follows: SA2_MAINCODE_2011 This is the unique numerical code representing the FROM region, in this case it is the unique 2011 Statistical Area Level 2 code. SA2_NAME_2011 This is a textual label associated with the unique code of the FROM region, in this case it is the textual label for each 2011 Statistical Area Level 2. LGA_CODE_2011 This is the unique numerical code representing the TO region, in this case it is the unique 2011 Local Government Area code. LGA_NAME_2011 This is a textual label associated with the unique code of the TO region, in this case it is the textual label for each 2011 Local Government Area. RATIO This field describes the Ratio of the FROM region that is being donated to the TO region. The Ratio is a figure between 0 and 1. In many cases, as can be seen in the example above, the amount that a FROM region is donating to a TO region is very small and is expressed as an exponential value. PERCENTAGE This field describes the Percentage of the FROM region that is being donated to the TO region. The Percentage is the Ratio multiplied by 100. In many cases, as can be seen in the example above, the amount that a FROM region is donating to a TO region is very small and is expressed as an exponential value. The MISSING_TO_UNITS Worksheet There may be cases where a TO unit is not represented in a correspondence file. This is due to the TO unit being very small relative to the FROM unit, and as a result a grid point is not associated with the TO unit. In cases where this occurs, an additional worksheet will be included with the affected correspondence file. It will consist of a list of the TO units that are not represented in any of the other Worksheets listed above. FURTHER INFORMATION More information on the ASGS and ABS Statistical Geography can be found by visiting the ABS website: https://www.abs.gov.au/geography Any questions or comments can be emailed to geography@abs.gov.au
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1270.0.55.006 - Australian Statistical Geography Standard (ASGS): Correspondences, July 2011
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 27/06/2012 First Issue
This page last updated 21 March 2023