Multiple Imputation of Squared Terms  

Oleh:

Vink, Gerko ; Buuren, Stef van

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Sociological Methods & Research (SMR) vol. 42 no. 04 (Nov. 2013), page 598-607.
Topik: Multiple Imputation; Polynomial Combination; Quadratic Relation; Regression Estimate; Squared Terms
Fulltext: S28 v42 n4 2013 p598,win.pdf (851.5KB)

Ketersediaan

Perpustakaan PKPM Nomor Panggil: S28 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

We propose a new multiple imputation technique for imputing squares. Current methods yield either unbiased regression estimates or preserve data relations. No method, however, seems to deliver both, which limits researchers in the implementation of regression analysis in the presence of missing data. Besides, current methods only work under a missing completely at random (MCAR) mechanism. Our method for imputing squares uses a polynomial combination. The proposed method yields both unbiased regression estimates, while preserving the quadratic relations in the data for both missing at random and MCAR mechanisms.

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