"duplicated" method for Crunch objects
duplicated(x, incomparables = FALSE, ...)
# S4 method for CrunchVariable
duplicated(x, incomparables = FALSE, ...)
# S4 method for CrunchExpr
duplicated(x, incomparables = FALSE, ...)
CrunchVariable
or CrunchExpr
Ignored
Ignored
A CrunchLogicalExpr
that evaluates TRUE
for all repeated
entries after the first occurrence of a value.