The function is used for example when the analysis has been split in several tasks. All the zres must come from the same original zoodata (zoorun is applied to the same zoodata with the same model). In addition, the data should not overlap (the same individual should not be present in multiple zres).
merge_zres(list_zres)
a single zres object containing the results from the merged zres objects. Note that the HBD segments are not sorted by ID number.
A list with the name of the zres objects to be merged.