Comparison Operators for date_xx
# S3 method for date_xx Ops(e1, e2)
e1, e2 | Objects with the same |
---|
a logical
scalar
#> [1] TRUE#> [1] TRUE#> Error : Comparison of <date_xx> is only defined if both objects have the same subclass, but 'e1' is <date_yq> and 'e2' is <date_ym>