[R-sig-Geo] 回复: How to interpret the "residual" values in plot(quadrat.test(some_data_set))

[Xiang Ye]

Dear Prof. Turner,

Thank you for your follow-up answer to my question!

Have a great day,

Ҷ�� YE, Xiang
THINKING SPATIALLY<http://www.linkedin.com/in/spatialyexiang>.
Ph.D. in Spatial Statistics
________________________________
������: Rolf Turner <rolfturner using posteo.net>
����ʱ��: 2023��12��21�� 9:11
�ռ���: r-sig-geo using r-project.org <r-sig-geo using r-project.org>
����: Xiang Ye <xiangye using buffalo.edu>
����: Re: [R-sig-Geo] How to interpret the "residual" values in plot(quadrat.test(some_data_set))


On Wed, 20 Dec 2023 05:56:19 +0000
Xiang Ye via R-sig-Geo <r-sig-geo using 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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