September 21st
PUMS Data
- Remember when using PUMS data that researchers try to protect individuals identities, so will change characteristics about them
- May change Female to Male or switch two people's incomes, could affect data in ways that hurt your research, or may not
ipums.org
- Can access data international populations or USA
- USA data from Census and American Community Survey (ACS)
- After creating user-name, can request an extract (subset of available data), from a range of years, can specify and filter the data to get only what you need
- When requesting PUMS data, use default settings, unless need to add information to request
- Comes in code, with codebook, but can be opened in programs like SAS, STATA, etc., for ease of manipulating data
- Can access sets of PUMS data faster, if do not need to download and keep, by clicking on the link "Analyze Data Online", and select variables you need represented on a table or graph
- Always be sure to pay attention to Household and People's weights
- Remember there are two implied decimal places in Household and people's weights (e.g. if have 005000, is equal to 50, so this Household or person would represent 50 Households/people
page revision: 1, last edited: 27 Sep 2010 14:15