grandfather

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grandfather

[′gran‚fath·ər]
(computer science)
A data set that is two generations earlier than the data set under consideration.
References in periodicals archive ?
While these factors, acting perhaps as mediators and/or moderators, somewhat like a complex process model, are important in determining the extent to which men engage in grandfathering efforts, we explicitly exclude them from consideration because of the limited theoretical guidance and empirical support (Szinovacz, 1998).
2601-1(b)(1)(i) (TD 8644, 12/26/95), which provided that the grandfathering rules do not apply to a pro-rata portion of any GST under an irrevocable trust if additions are made to the trust after Sept.
This study indicated interesting differences between grandmothering and grandfathering roles, but as grandparents were allocated to just one style of relationship the study offered little about how roles are managed and enacted.