Find the largest object ID and renumbers all duplicate IDs starting form this value. The information for the duplicates is also added to the obs.table
renumber.duplicates(ddf.dat, obs.table, double.observer)
dataframe containing a single dataset with duplicate observations
dataframe of observation records with fields object,
Region.Label, and Sample.Label which give links to sample.table,
region.table and the data records used in model
boolean indicating if it is a double observer survey
list with 2 elements: ddf.dat dataframe containing a single dataset with new and unique observation IDs obs.table the updated obs.table dataframe containing the new observation IDs
resample.data