Sometimes groups of consecutive records are repeated in the input files. This happens in SCENT, and the reason seems to be communication errors (records are transmitted and added to the file(s), then communication is broken before acknowledge, and the next time they are retransmitted).
Sometimes groups of consecutive records are repeated in the input files. This happens in SCENT, and the reason seems to be communication errors (records are transmitted and added to the file(s), then communication is broken before acknowledge, and the next time they are retransmitted).