This function performs the second level of validation on
the returned value of one of these functions : Method1(),
Method2(), Method3() or Method4B() (see reference).
The list returned by one of these
functions : Method1(), Method2(), Method3() or
Method4B().
MyData
The list returned by the add.Reference()
function.
ValCrit
Critical value for the comparison of
adjusted mortality and observed mortality.
AgeCrit
Age range for the comparison of adjusted
mortality and observed mortality.
Excel
If set to TRUE, a sub-directory will be
created in the working directory. This sub-directory will
contains excel files describing the validation analysis.