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http://dx.doi.org/10.5351/KJAS.2014.27.5.743

Reanalysis of 2002 Donation Frequency Data: Corrections and Supplements  

Kim, Byung Soo (Department of Applied Statistics, Yonsei University)
Lee, Juhyung (Department of Applied Statistics, Yonsei University)
Kim, Inyoung (Department of Statistics, Virginia Tech)
Park, Su-Bum (Gender Budget Research Center, Korea Women's Development Institute)
Park, Tae-Kyu (Department of Economics, Yonsei University)
Publication Information
The Korean Journal of Applied Statistics / v.27, no.5, 2014 , pp. 743-753 More about this Journal
Abstract
Kim et al. (2006) and Kim et al. (2009) reported a set of explanatory variables affecting donation frequency when they analyzed nationwide survey data on donations collected in 2002 by Volunteer 21, a nonprofit organization in Korea. The primary purpose of this paper is to correct computational errors found in Kim et al. (2006) and Kim et al. (2009), to rectify major results in the Tables and Figures and to supplement Kim et al. (2009) by providing new results. We add two logistic regressions to the ZIP and a mixture of two Poisson regressions of Kim et al. (2009). Through these two logistic regressions we could detect a set of explanatory variables affecting donation activity (0 or 1) and another set of explanatory variables, in which the volunteer (0, 1) variable is common, discriminating the infrequent donor group from the frequent donor group.
Keywords
Donation; EM algorithm; logistic regression; mixture of two Poisson; Poisson regression; ZIP;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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