Test Two or More Versions of an Object for Full Equality

USAGE:

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all.equal.versions(name, ..., meta = 0)
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ARGUMENTS:

name
character string, giving the name of an object that may be found on more than one database in the current search list. Such versions are tested for being the result of equivalent computations (for example, the same computation on two different computers, or a revised but still correct version of the same computation). Specifically, the last version found on the search list is taken to be the target, and all other versions are compared to that.
...
additional arguments passed to all.equal.
meta
if supplied, can be 1 or "methods" to look in the methods meta-data(if any) for name, rather than the ordinary data, or 2 or "help" tolook in the documentation meta-data.

VALUE:

TRUE if there is only one version or if all components and attributesof the all versions test equal. Otherwise, returns a character vector giving allthe discovered differences.

SEE ALSO:

all.equal

EXAMPLES:

all.equal.versions("lm")