Methods. Using multiple imputation for analysis of incomplete data in clinical research.
BACKGROUND: Sample loss and missing data are inevitable in multivariate and longitudinal research. Ad hoc approaches such as analysis of incomplete data or substituting the group mean for missing data, while common, may unnecessarily reduce statistical power and threaten study validity. Multiple imp...
| Publicado en: | Nursing Research Vol. 51; no. 5; pp. 339 - 344 |
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| Formato: | tables/charts Journal Article |
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Lippincott Williams & Wilkins
2002 Sep-Oct
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| Acceso en línea: | Ver este registro en EBSCOhost |