2015-06 A ‘safemode’ Package for R

The ‘safemode’ package provides a safemode() function that creates a “safe mode” session in R. In “safe mode”, all symbols have an “age” (a last-modified time stamp) and a set of dependent symbols, and a warning is issued whenever a symbol is used in an expression and its age exceeds the age of any of its dependents (i.e., there is warning whenever a “stale” symbol is used in an expression).

Paul Murrell

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