All Questions
Tagged with survey-weights weights
25
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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 ...
- 1
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55
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Should we use survey::svyglm() to compute correct standard errors with WeightThem?
I need to use multiply imputed datasets and weights before using linear models (linear, logistic and negative binomial).
I have 2 sources of informations that point to different directions to compute ...
- 69
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12
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Longitudinal sample with varying levels of non-response
I'm using answers to a specific question from the General Social Survey ("do you feel rushed"?) to compare statistics over multiple years.
The answers are "Always" "Sometimes&...
- 31
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128
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How can I reweight survey data
I have survey data from a complex survey with stratification, weights and clustering.
I'm using the survey package in R to run regressions:
...
- 246
1
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615
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how to understand the weights in PSM？
When using propensity score matching or weighting, a column of weights is generated that is used to estimate the effect of interest.
According to a blog I read, there are three types of weights ...
- 33
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30
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Where does weight factors come into play with real data (in R)?
I do understand the IMHO simple concept using weights to fit a sample to another (real) population. Calculating the weight factors is not hard. Regarding to my MWE there maybe is a more elegant R way ...
- 282
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341
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Calculate risk ratio in weighted population
I have a propensity score weighted population (using IPTW) and I want to compute risk ratios on my weighted population. For this, I am using a weighted Poisson regression.
Let's suppose that "...
- 159
2
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41
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Weighting pharmacovigilance data in a meta-regression
I would like to run a meta-regression in which the independent variable is composed of weighted reported odds ratios (ie, the number of events for a particular medication side effect divided by total ...
- 61
3
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103
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How do I calculate a finite-population correction for a weighted sample?
I have a weighted sample from a population. These are probability weights (as samples are taken with unequal probability). What's the variance in the estimated total? All samples are exchangeable (...
- 1,135
1
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415
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Problem with weigts in survey analysis of GSS cross-sectional data
I have a dataset made from https://gss.norc.org/get-the-data
There is a description from the codebook how to use weights:
...
- 13
1
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133
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What are some limitations of survey raking weights?
The title of this question says it all. I know that all methods have limitations, and while I know some of the strengths of raking weights (e.g., often, only marginal distributions for auxiliary ...
- 11
7
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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 ...
- 21.8k
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78
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Raking weights - How can they possibly recover the joint distribution?
So I've recently encountered raking weights as a way to obtain weights for population level estimates: https://www.pewresearch.org/methods/2018/01/26/how-different-weighting-methods-work/.
My question ...
- 21
1
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14
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Impact of recoding variables on sampling weights
I'm working on a dataset with longitudinal survey data that includes final post-stratification weights. I want to recode some of the demographic variables, such as race and income, to combine several ...
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42
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Are probability weights "relative", i.e. can they be rescaled and work in the same way?
I am using survey data from different countries, and I pool them together for part of the analysis. Now, weights puzzle me for two reasons:
1) some of them are below 0 (i.e. the probability of being ...
- 11