- Description
- Codes
- Comparability
- Universe
- Availability
- Questionnaire Text
- Flags
- Source Variables
- Editing Procedure
Description
MIGMET13ERR reports, for each metropolitan area identified by MIGMET131 or MIGMET135, the level of spatial mismatch error between the identified area and the actual 2013 metropolitan statistical area (MSA).
The code assignment protocol of MIGMET131 and MIGMET135 yields errors of omission (residents of a MSA who are not identified as residents) and errors of commission (non-residents who are identified as residents). As an index of mismatch, IPUMS uses the sum of percent omission error (the portion of an MSA's population residing in excluded Migration PUMAs) and percent commission error (the portion of the population in associated Migration PUMAs that did not reside in the MSA).
For each reported MIGMET131 or MIGMET135 code, MIGMET13ERR identifies the level of the sum of errors.
The MIGMET13 variables report no code for MSAs where the sum of match errors is 15% or more. Researchers may use MIGMET13ERR to impose a more restrictive error limit if desired.
To compute match errors, IPUMS uses 2020 populations for 2022-forward ACS and PRCS samples and 2010 populations for 2005-2021 ACS and PRCS samples. For samples that use 2000 Migration PUMA definitions (ACS and PRCS samples through 2011), IPUMS estimates the populations of the areas of intersection between 2000 Migration PUMAs and 2013 MSAs by summing the populations of census blocks that had their geographic center in each area.
In multi-year ACS/PRCS samples that span different Migration PUMA definitions, this variable is based on whichever Migration PUMA definition is associated with the respondent's survey year (as given by MULTYEAR). This occurs only in the 2022 5-year samples and in multi-year samples that include both 2011 and 2012 survey years. For more information about how Migration PUMA definitions vary within multi-year samples, see the MIGPUMA1 variable description.
For more detailed information about relationships between Migration PUMAs and MSAs, IPUMS provides these tables (in Excel spreadsheets):
2000 5% sample:
2005-2011 ACS and PRCS samples: 2012-2021 ACS and PRCS samples:- 2010 Migration PUMAs are identical to 2010 Place of Work PUMAs, so these reference files pertain to both MIGMET131 and PWMET13 for 2012-2021 samples
- 2020 Migration PUMAs are identical to 2020 Place of Work PUMAs, so these reference files pertain to both MIGMET131 and PWMET13 for 2022 and later samples
Codes and Frequencies
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Universe
- 2000: Persons age 5+ who lived in different house 5 years ago.
- ACS, PRCS: Persons age 1+ who lived in different house 1 year ago.
Availability
- 2023: All samples
- 2022: All samples
- 2021: All samples
- 2020: All samples
- 2019: All samples
- 2018: All samples
- 2017: All samples
- 2016: All samples
- 2015: All samples
- 2014: All samples
- 2013: All samples
- 2012: All samples
- 2011: All samples
- 2010: ACS; ACS 3yr; ACS 5yr
- 2009: All samples
- 2008: All samples
- 2007: All samples
- 2006: All samples
- 2005: All samples
- 2004: --
- 2003: --
- 2002: --
- 2001: --
- 2000: 5%; 1% unwt
- 1990: --
- 1980: --
- 1970: --
- 1960: --
- 1950: --
- 1940: --
- 1930: --
- 1920: --
- 1910: --
- 1900: --
- 1880: --
- 1870: --
- 1860: --
- 1850: --
- 2023: All samples
- 2022: All samples
- 2021: All samples
- 2020: All samples
- 2019: All samples
- 2018: All samples
- 2017: All samples
- 2016: All samples
- 2015: All samples
- 2014: All samples
- 2013: All samples
- 2012: All samples
- 2011: All samples
- 2010: PRCS; PRCS 3yr; PRCS 5yr
- 2009: All samples
- 2008: All samples
- 2007: All samples
- 2006: All samples
- 2005: All samples
- 2000: PR 5%
- 1990: --
- 1980: --
- 1970: --
- 1930: --
- 1920: --
- 1910: --
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Flags
This variable has no flags.Editing Procedure
There is no editing procedure available for this variable.