sub
# S4 method for class 'collunits,numeric'
x[i]
# S4 method for class 'datasets,numeric'
x[i]
# S4 method for class 'sites,numeric'
x[i]
# S4 method for class 'site,numeric'
x[i]
# S4 method for class 'site,character'
x[i]
# S4 method for class 'speleothems,numeric'
x[i]
# S4 method for class 'taxa,numeric'
x[i]sliced site object