Original sentence: For the most part; because he named his cat Neelix, he makes the holodeck Neelix purr.He once again creates simulacra on a holodeck, this time of the Voyager crew, but based on facts available to him about their true personalities
Edited sentence: He once again creates simulacra on a holodeck, this time of the Voyager crew, but based on facts available to him about their true personalities (for the most part; because he named his cat Neelix, he makes the holodeck Neelix purr)