2020
DOI: 10.1590/0102-311x00167219
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Predictive Mean Matching como método de imputação alternativo ao hot deck no Vigitel

Abstract: O objetivo deste estudo foi descrever a estimativa das médias de peso, altura e índice de massa corporal (IMC) segundo dois métodos de imputação, usando dados do Vigitel (Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico). O delineamento do estudo é transversal e utilizaram-se dados secundários do Vigitel do período de 2006 a 2017. Os dois métodos para imputação utilizados no estudo foram hot deck e Predictive Mean Matching (PMM). As variáveis peso e altura imputa… Show more

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Cited by 5 publications
(3 citation statements)
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“…Many research fields in physical and biological sciences have embraced such techniques [24][25][26][27]. This work explicitly employs univariate regression modeling, a variable-by-variable (sequential or chained) predictive mean matching (PMM) technique [28]. As an MI conditional modeling approach, PMM imputes missingness dependent on observed data in continuous, panel variables that do not have to be normally distributed [28][29][30].…”
Section: (William Edwards Deming)mentioning
confidence: 99%
See 1 more Smart Citation
“…Many research fields in physical and biological sciences have embraced such techniques [24][25][26][27]. This work explicitly employs univariate regression modeling, a variable-by-variable (sequential or chained) predictive mean matching (PMM) technique [28]. As an MI conditional modeling approach, PMM imputes missingness dependent on observed data in continuous, panel variables that do not have to be normally distributed [28][29][30].…”
Section: (William Edwards Deming)mentioning
confidence: 99%
“…This work explicitly employs univariate regression modeling, a variable-by-variable (sequential or chained) predictive mean matching (PMM) technique [28]. As an MI conditional modeling approach, PMM imputes missingness dependent on observed data in continuous, panel variables that do not have to be normally distributed [28][29][30]. This technique returns meaningful imputations that respect the data distribution of the original incomplete dataset (observed dataset).…”
Section: (William Edwards Deming)mentioning
confidence: 99%
“…PMM is a versatile and easy-to-use method in which linear regression and random value selection for imputation are combined (Van Buuren, 2018). Santos and Conde (2020) explain that a linear prediction is used considering that the variable of interest is the variable to be imputed and the other variables are the explanatory ones. Thus, the imputations are very realistic as they are based on values observed elsewhere and because imputations outside the data range will not occur (Van Buuren, 2018).…”
Section: Multiple Imputation Via Aa -Maamentioning
confidence: 99%