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Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data
OBJECTIVE: QoL data were routinely collected in a randomised controlled trial (RCT), which employed a reminder system, retrieving about 50% of data originally missing. The objective was to use this unique feature to evaluate possible missingness mechanisms and to assess the accuracy of simple imputa...
Autores principales: | , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2008
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2531086/ https://www.ncbi.nlm.nih.gov/pubmed/18680574 http://dx.doi.org/10.1186/1477-7525-6-57 |