| svy and svyset after appending multiple waves of the NFHS [message #18304 is a reply to message #18242] |
Mon, 04 November 2019 05:19   |
Niranjana
Messages: 13
Registered: October 2019
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Dear Bridgette and Tom,
While working with the appended (all four waves have been appended to form a repeated cross-sectional dataset) version of the DHS India women's folders, I've found that the variable for strata (V023) is coded differently across all years from 1992-93 to 2015-16. I would like to work with -svy- and -svyset- codes but am concerned about the variable definition varying significantly between survey waves. Currently, this is how I was hoping to run the codes to obtain SEs, CIs.
gen wt=v005/1000000
egen stratum = group(v024 v025)
svyset v021 [pw=wt], strata(stratum)
br stratum
svy : mean var_interest, over(v024)
However, I am unable to produce any standard errors or CI after this and I get the following error message:
Missing standard errors because of stratum with single sampling unit
I am also not sure if I need to generate a different weight variable for each year of the India women's survey rounds.
Do let me know how to proceed on this front.
Thank you,
Niranjana
[Updated on: Mon, 04 November 2019 05:43] Report message to a moderator |
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