Don’t weight by 1/s² [Bioanalytics]

posted by Helmut Homepage – Vienna, Austria, 2019-03-18 12:19 (1913 d 19:26 ago) – Posting: # 20046
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Hi nobody, Ohlbe and everybody,

❝ ❝ In his response Helmut mentions SD calculated from 2 or 3 replicates. Sorry Helmut, but I would consider any such value as meaningless.

❝ Exactly. Trash in trash out. SD is not erwartungstreu. Start with n=20+...

I stand corrected – you are both right. Is a stupid idea.

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