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di: Utilities to Calculate Deficit Index (DI)

CRAN: https://CRAN.R-project.org/package=di

A set of utilities for calculating the Deficit (frailty) Index (DI) in gerontological studies. The deficit index was first proposed by Arnold Mitnitski and Kenneth Rockwood and represents a proxy measure of aging and also can be served as a sensitive predictor of survival.

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