Glossary
- Actor Non-response (Unit Non-response):
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Missing all outgoing ties of an actor
- Tie Non-response (Item Non-response):
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Missing some ties of an actor
- Imputation:
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Substituting missing data by plausible values
- Multiple Imputation:
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Repeated stochastic imputation of the same data set after which the results of the analysis are pooled to generate proper estimates of parameters and standard errors
- MAR:
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Missing at Random
- MCAR:
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Missing Completely at Random
- MNAR:
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Missing Not at Random
Definition
When confronted with missing data, researchers often want to handle the missing observations by substituting plausible values for the missing scores. This practice of filling in missing items is called imputation (e.g., Schafer and Graham 2002). Imputation has several advantages: it is more efficient than analyzing complete cases, it gives the opportunity to use...
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Huisman, M. (2014). Imputation of Missing Network Data: Some Simple Procedures. In: Alhajj, R., Rokne, J. (eds) Encyclopedia of Social Network Analysis and Mining. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6170-8_394
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