Oh. OK.
I wonder if there could be something like , uh  for s for the PZM data ,
Eh
uh , you know , if occasionally , uh , somebody hits the table or something , you could get a spike. Uh. I 'm just wondering if there 's something about the , um  you know , doing the mean normalization where , uh , it  it could cause  you to have better signal - to - noise ratio. Um.