R. J. M. Hughes

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There is a growing interest nowadays in functional programming languages and systems, and in special hardware for executing them. Many of these implementations are based on a system called <italic>graph reduction (GR)</italic>, in which a program is represented as a graph which is transformed, or <italic>reduced</italic>, by the machine until it represents(More)
Appropriate imputation inference requires both an unbiased imputation estimator and an unbiased variance estimator. The commonly used variance estimator, proposed by Rubin, can be biased when the imputation and analysis models are misspecified and/or incompatible. Robins and Wang proposed an alternative approach, which allows for such misspecification and(More)
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