noncentral normal ratio [NCA / SHAM]

posted by mittyri – Russia, 2020-06-20 23:04 (219 d 17:50 ago) – Posting: # 21553
Views: 2,376

Hi ElMaestro,

» In perspective, history has been somewhat cruel to anyone assume T=R for example in relation to power and sampe sizes. In other words, what is needed (if there is a need at all?!?) is a "Cauchy distribution with the equivalent of a noncentrality parameter", for lack of better wording.

but in the link above you can see
Uncorrelated noncentral normal ratio
...Under certain conditions, a normal approximation is possible...

Correlated noncentral normal ratio
...The offset result is also consistent with the "Cauchy" correlated zero-mean Gaussian ratio distribution in the first section...

Kind regards,

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