Estimation for volunteer web survey samples using a model-averaging approach

Zhan Liu, Junbo Zheng, Chaofeng Tu and Yingli Pan

Journal of Applied Statistics, 2023, vol. 50, issue 16, 3251-3271

Abstract: Propensity score approach is a popular technique for estimating the population based on volunteer web survey samples. Various models have been used to estimate propensity scores and produce different population estimates. To obtain more accurate population estimators, we propose a model-averaging estimation approach based on propensity score estimates from a parametric logistic regression model and a nonparametric generalized boosted model. Consistency and asymptotic normality of the proposed estimators are established. A computation algorithm is also developed to implement the proposed method. Simulation studies are conducted to compare the performance of the proposed method with the other methods. A survey data from the Netizen Social Awareness Survey (NSAS) is used to illustrate the proposed methodology.

Date: 2023
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DOI: 10.1080/02664763.2022.2107187

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