| ipums {SDAResources} | R Documentation |
ipums data
Description
Data extracted from the 1980 Census Integrated Public Use Microdata Series, using the "Small Sample Density" option in the data extract tool, on September 17, 2008. The stratum and psu variables were constructed for use in the book exercises. Data analyses on this file do NOT give valid results for inference to the 1980 U.S. population.
Usage
data(ipums)
Format
This data frame contains the following columns:
- stratum:
stratum number (1-9)
- psu:
psu number (1-90)
- inctot:
total personal income (dollars), topcoded at $75,000
- age:
age, with range 15-90
- sex:
1 = Male
2 = Female
- race:
1 = White
2 = Black
3 = American Indian or Alaska Native
4 = Asian or Pacific Islander
5 = Other Race
- hispanic:
0 = Not Hispanic
1 = Hispanic
- marstat:
marital Status:
1 = Married
2 = Separated
3 = Divorced
4 = Widowed
5 = Never married/single
- ownershg:
ownership of housing unit:
0 = Not Applicable (N/A)
1 = Owned or being bought
2 = Rents
- yrsusa:
number of years a foreign-born person has lived in the U.S.:
0 = N/A
1 = 0-5 years
2 = 6-10 years
3 = 11-15 years
4 = 16-20 years
5 = 21+ years
- school:
is person in school?
1 = No, not in school
2 = Yes, in school
- educrec:
educational attainment:
1 = None or preschool
2 = Grade 1, 2, 3, or 4
3 = Grade 5, 6, 7, or 8
4 = Grade 9
5 = Grade 10
6 = Grade 11
7 = Grade 12
8 = 1 to 3 years of college
9 = 4+ years of college
- labforce:
in labor force?
0 = Not Applicable
1 = No
2 = Yes
- classwk:
class of worker:
0 = Not applicable
13 = Self employed, not incorporated
14 = Self employed, incorporated
22 = Wage/salary, private
25 = Federal government employee
27 = State government employee
28 = Local government employee
29 = Unpaid family worker
- vetstat:
veteran status
0 = Not Applicable
1 = No Service
2 = Yes
References
Ruggles et al. (2004). Integrated Public Use Microdata Series: Version 3.0 [machine- readable database]. https://usa.ipums.org/usa/ (accessed September 17, 2008).
Lohr (2021), Sampling: Design and Analysis, 3rd Edition. Boca Raton, FL: CRC Press.
Lu and Lohr (2021), R Companion for Sampling: Design and Analysis, 3rd Edition, 1st Edition. Boca Raton, FL: CRC Press.