Status:Closed    Asked:Apr 13, 2017 - 10:56 AM

Person Weight

I am trying to get an accurate count of employed persons' income. I noted some incomes are 0 or similarly small. Does that mean they reported making 0 or 10 dollars in a given year? Also, the PERWT, does that mean that to get an accurate count, I would create separate line that many times for that value? Example, income 500 with a weight of 6, I would create a total of six lines with an income of 500?

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Staff Answer


Jeff Bloem


Yes, if INCWAGE codes are 0 this indicates that the respondent is reporting an earned wage or salary income of zero for the previous year. Regarding the sample weight PERWT see this documentation and the IPUMS FAQ for more information about how to use these weights. You intuition is on the right track, but statistical software packages, such as STATA, SPSS, and R, make using sample weights much easier than performing this calculation in excel.


Apr 13, 2017 - 12:36 PM

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You have two questions here, about about measurement and one about weights. As far as the second one goes, you have to use software that supports estimation with complex survey data (Stata with svy commands, SAS with PROC SVY whatever, R with library(survey) ). Don't try this in Excel. If you don't understand what these weights are, you are probably several months away from doing this analysis properly, as you would have to learn at least the basics of underlying statistics.


Apr 13, 2017 - 11:15 AM

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