On Wed, 20 Dec 2023 05:56:19 +0000
Xiang Ye via R-sig-Geo <r-sig-geo@r-project.org> wrote:
<SNIP>
> According to what I learnt about the quadrat test (Rogersson and
> Yamada 2005, p. 48), and the help document from quadrat.test, I
> assume the "residual" should be (observed-expected)^2/expected.
<SNIP>
Just to reinforce what Roger Bivand has already told you (with
admirable clarity) --- the expression that you give above is for the
*square* of the (Pearson) residual, not the actual residual.
cheers,
Rolf Turner
--
Honorary Research Fellow
Department of Statistics
University of Auckland
Stats. Dep't. (secretaries) phone:
+64-9-373-7599 ext. 89622
Home phone: +64-9-480-4619
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