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Status:Closed    Asked:Jun 15, 2018 - 10:04 AM

Pewrt variable and decimal places

I'm confused about the variable Perwt. The description says that it is an 8-digit variable with two decimal places "This is a 8-digit numeric variable with 2 implied decimal places." and "but there is no actual decimal in the data.".

But actually, some censuses as Brazil 2010 or Colombia 2005, have decimal places in the variable Perwt. How can be this possible? Should I take just the first six numbers (before the decimal places)?

Many thanks in advance!

 
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Staff Answer

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Jeff Bloem

Staff

This is a bit of a confusing detail. When the PERWT variable description mentions that there is no actual decimal in the data, this is referring to the data in the .dat file. Therefore, in order to use these weights properly, one needs to divide these values by 100. In most of the command files, however, this task is included automatically. So, when the data is read into you statistical software using an IPUMS command file, the weight values contain a decimal.

 

Jun 15, 2018 - 10:27 AM

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