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Re: Multilevel Weights [message #7062 is a reply to message #7019] |
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Liz-DHS
Messages: 1516 Registered: February 2013
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Senior Member |
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Dear User,
Here is a response from on of our technical experts, Dr. Tom Pullum:
Quote:We agree that multi-level analysis should include weights at each level. Until Stata 14, multi-level models in Stata could not use weights at all. Beginning with Stata 14, weights (multi-level weights) are allowed and should be used (as in MLwin). The problem is that DHS does not have cluster-level weights. The clusters are sampled with probability proportional to size, within strata. The sizes of the clusters, usually census enumeration areas, are part of the sampling frame, usually the most recent census. The sampling frame is not public information. DHS only has access to it within the country and is not allowed to make a copy of it. Statistical offices typically do not want to share it.
It is conceivable that there is some way to approximate the cluster-level weights or at least to get away from the invalid assumption that the first stage sampling probabilities are the same for all clusters. We will look into this. Thanks for raising the issue.
Thank you!
[Updated on: Wed, 19 August 2015 15:12] Report message to a moderator
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Multilevel Weights
By: swinter on Tue, 11 August 2015 13:16
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Re: Multilevel Weights
By: Liz-DHS on Tue, 18 August 2015 12:28
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Re: Multilevel Weights
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Re: Multilevel Weights
By: Liz-DHS on Wed, 08 November 2017 14:52
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Re: Multilevel Weights
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By: Liz-DHS on Wed, 04 April 2018 15:50
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Re: Multilevel Weights
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Re: Multilevel Weights
By: Hassen on Wed, 02 May 2018 03:14
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Re: Multilevel Weights
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Re: Multilevel Weights
By: Liz-DHS on Tue, 03 July 2018 23:04
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Re: Multilevel Weights
By: teketo on Thu, 04 October 2018 06:35
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Re: Multilevel Weights
By: aheto on Sat, 04 April 2020 12:00
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Re: Multilevel Weights
By: Liz-DHS on Fri, 17 April 2020 09:17
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