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 <rolftur...@posteo.net> ����ʱ��: 2023��12��21�� 9:11 �ռ���: r-sig-geo@r-project.org <r-sig-geo@r-project.org> ����: Xiang Ye <xian...@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@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 [[alternative HTML version deleted]]
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