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I have funny results for the distribution of education using 1950 IPUMS data. What am I doing wrong?
The 1950 sample is a 1-in-100 national weighted sample. Every household had one "sample-line" person who answered additional census questions. When applying weights you should use the sample-line weight.
See sample size for description.
Questions the sample-line person answered revolve around migration, education, and birthplace.
Even using the sample-line weight will not give you an exact match to the micro data sample.