Re: [R-sig-Geo] Beginner's question on choosing the correct test, part.2

2014-08-22 Thread Roger Bivand
On Fri, 22 Aug 2014, Tim Richter-Heitmann wrote: Excuse my beginner level-questions. I am stuck at the beginning, i.e. choosing the correct neighbor lists. I tried knearneigh (with several "k"s), tri2nb, and dnearneigh. Yesterday, i was nicely shown that in some datasets the nblist creation proc

[R-sig-Geo] Beginner's question on choosing the correct test, part.2

2014-08-22 Thread Tim Richter-Heitmann
Excuse my beginner level-questions. I am stuck at the beginning, i.e. choosing the correct neighbor lists. I tried knearneigh (with several "k"s), tri2nb, and dnearneigh. Yesterday, i was nicely shown that in some datasets the nblist creation process is not always impactful, but it seems for my

Re: [R-sig-Geo] Beginner's question on choosing the correct test

2014-08-20 Thread Roger Bivand
On Wed, 20 Aug 2014, Tim Richter-Heitmann wrote: Hi there, i am new to the spatial statistics, so please bear with me. My dataset consists of 60 plots, semi-randomly distributed on a 10x6m area. We measured species data on 6 sampling dates, so i ended up with six different sample by species m

Re: [R-sig-Geo] Beginner's question on choosing the correct test

2014-08-20 Thread Gilles Benjamin Leduc
Hi, I read your post and I am not sure of understanding… What is your actual objective? What is you question? Maybe if I saw your dataset I may have a better idea… I just see you made a strange thing… You "Accept the null hypothesis" … that is a bad thing to do, Null hypothesis is to be rej

[R-sig-Geo] Beginner's question on choosing the correct test

2014-08-20 Thread Tim Richter-Heitmann
Hi there, i am new to the spatial statistics, so please bear with me. My dataset consists of 60 plots, semi-randomly distributed on a 10x6m area. We measured species data on 6 sampling dates, so i ended up with six different sample by species matrices. My first task should be to evaluate the s