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Home » Data » Weighting data » Weights not normalized? (Unweighted number of observations and sum of household weights differ)
Weights not normalized? [message #22751] Sat, 01 May 2021 16:36 Go to previous message
MiFoo
Messages: 15
Registered: January 2021
Member
Hello,

in my dataset (DHS from Bangladesh, PR file), the weighted number of observations is always lower than the unweighted one. Shouldn't the weights be normalized in DHS surveys for each survey year, so that the sum of the normalized weights equals the sum of the cases over the entire sample?

Even when using the full data in the PR file from a single year such as 2017,
data %>% summarize(n=survey_total())
or equivalently
sum(dataPR$hv005/1000000))

I get a lower number than the number of observations in the dataset. Have I misunderstood the normalization in DHS surveys?
Note: I am using R Studio

Thank you!

[Updated on: Sun, 02 May 2021 17:22]

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