I’m using the weight variable in the ATUS-CPS data from BLS website and merging it into the IPUMS ATUS data 2004-2018. I find 7 records that are in BLS dataset but not in IPUMS ATUS dataset. Here are the CASEID of these records.
Since I see the base weight for the case “20060706061701” is -1 (but not the rest of the 6 records), I wonder if IPUMS purposefully excluded these records. If so, could I find the reason of the exclusion somewhere on the website?