All Questions
Tagged with survey-weights weighted-sampling
9
questions
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23
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Weighing Data Issue
I am looking at e-cig prevalence within a city. I used surveys to collect data from residents, and I have a query around weighing data.
I have made the assumption, due to over and underrepresentation ...
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0
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23
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Is there relationship between propensity score based causal inference and sampling weights?
Consider observational study with single outcome $Y$, single covariate $X$ and treatment assignment variable $W$. Under unconfounded treatment assignment assumption, $E_{sp}[Y(1)]=E[\frac{Y_i^{obs}W_i}...
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3
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85
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What is the (Ratio estimator for the) covariance of two weighted means? [closed]
In a previous question I've asked How to estimate the (approximate) variance of the weighted mean?, specifically, how to prove the following formula:
$$
\widehat{\sigma_{\bar{y}_w}^2} = \frac{1}{(\sum{...
- 21.8k
7
votes
2
answers
2k
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How to estimate the (approximate) variance of the weighted mean?
Background: weighted mean
In the context of survey statistics it so happens that a sample of respondents from a survey are fit some weights to adjust their answers to the general population. These ...
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369
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Help with weighting sample according to population
I am a beginner with basic knowledge of statistics - just learning. I have a doubt regarding weighting survey sample distribution to population distribution.
I have to create a weighting variable that ...
4
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1
answer
2k
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Correct use of the sample weights in a complex survey design for association analysis (Logit OR)
I've doubts about the correct use of sample weights in the NHANES survey, which uses a complex, multistage probability sampling design (1).
I'm aware about the importance of the use of the sample ...
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3
votes
1
answer
721
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Equivalence of svyglm and glm for simple random surveys
I have been exploring the use of the svyglm function in R's survey package to analyse surveys with both equal and unequal sampling probabilites.
For an unequal ...
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1
vote
1
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Survey sampling : normalised weights or not?
I work in epidemiology on a sample which is stratified, and 2 – level cluster (801 individuals). I use the "survey" package on R for data analysis.
In the sample, the sum of weights is the size of ...
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7
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When to use longitudinal (panel) weights vs cross-section weights in complex surveys
I'm currently working with a longitudinal dataset, the Kauffman Firm Survey.
The survey tracks about 5000 firms starting from 2004 - 2009. Firms die out over the years.
It has both cross-sectional ...
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