# S4 method for chronology
$(x, name) <- value# S4 method for collunit
$(x, name) <- value
# S4 method for dataset
$(x, name) <- value
# S4 method for site
$(x, name) <- value
# S4 method for speleothem
$(x, name) <- value
# S4 method for taxon
$(x, name) <- value