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    政大機構典藏 > 商學院 > 統計學系 > 學位論文 >  Item 140.119/68527
    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/68527


    Title: 變異數比率應用於成對資料之探討:以傾向分數配對為例
    Balance diagnostics for comparing the variances of baseline covariates between treatment groups in propensity-score matched samples
    Authors: 施俞安
    Contributors: 江振東
    施俞安
    Keywords: 傾向分數配對
    平衡診斷
    變異數比率
    Date: 2013
    Issue Date: 2014-08-12 14:01:39 (UTC+8)
    Abstract: 在觀察性研究中,實驗與對照兩組樣本通常無法如隨機控制試驗般,達到某種程度的平衡,傾向分數配對是一種常用解決方案。然而配對後資料是否確實達到平衡,關係到後續資料分析結果的真確性。本文中針對傾向分數配對方法之平衡診斷中,Rubin(2001)及Austin(2009)對於判斷變異數是否相同之建議進行更進一步的探討。透過理論證明及模擬驗證,分別計算這兩項建發生型一及型二誤差的機率大小,藉以判斷其可行性。結果顯示Austin(2009)的建議雖然是架構在二獨立常態母體的假設,但實務上應該是可行的。
    Reference: Austin, P. C. (2009). Balance diagnostics for comparing the distribution of baseline covariates between treatment groups in propensity-score matched samples. Stat Med, 28(25), 3083-3107. doi: 10.1002/sim.3697
    Austin, P. C. (2011a). An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies. Multivariate Behav Res, 46(3), 399-424. doi: 10.1080/00273171.2011.568786
    Austin, P. C. (2011b). Optimal caliper widths for propensity-score matching when estimating differences in means and differences in proportions in observational studies. Pharm Stat, 10(2), 150-161. doi: 10.1002/pst.433
    Conover, W. J. (1998). Practical Nonparametric Statistics: {John Wiley & Sons}.
    Finney, D. J. (1938). The Distribution of the Ratio of Estimates of the Two Variances in a Sample from a Normal Bi-Variate Population. Biometrika, 30(1/2), 190-192. doi: 10.2307/2332234
    Flury, B., Flury, H., & Riedwyl. (1986). Standard Distance in Univariate and Multivariate Analysis. The American statistician, 40(3), 249-251.
    Hoaglin, D. C. (1983). Understanding robust and exploratory data analysis.
    Normand, S.-L. T., Landrum, M. B., Guadagnoli, E., Ayanian, J. Z., Ryan, T. J., Cleary, P. D., & McNeil, B. J. (2001). Validating recommendations for coronary angiography following acute myocardial infarction in the elderly: a matched analysis using propensity scores. Journal of clinical epidemiology, 54(4), 387-398.
    Rosenbaum, P. R., & Rubin, D. B. (1983). The Central Role of the Propensity Score in Observational Studies for Causal Effects. Biometrika, 70(1), 41-55. doi: 10.2307/2335942
    Rubin, D. (2001). Using Propensity Scores to Help Design Observational Studies: Application to the Tobacco Litigation. Health Services and Outcomes Research Methodology, 2(3-4), 169-188. doi: 10.1023/A:1020363010465
    Seidel, S., Hartl, T., Weber, M., Matterey, S., Paul, A., Riederer, F., ... & Wöber, C. (2009). Quality of sleep, fatigue and daytime sleepiness in migraine a controlled study. Cephalalgia, 29(6), 662-669.
    Description: 碩士
    國立政治大學
    統計研究所
    101354027
    102
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0101354027
    Data Type: thesis
    Appears in Collections:[統計學系] 學位論文

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