search for: lab12

Displaying 3 results from an estimated 3 matches for "lab12".

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2012 Nov 09
1
CCA with Vegan - Plot problem
Hi, I've just started using R and am having some problems with CCA using vegan. I'm looking at abundance p/m2 (hence decimals) vs environmental variables and have been using http://ecology.msu.montana.edu/labdsv/R/labs/lab12/lab12.html to guide me through. My organism data looks like this: Sample "Species_1" "Species_2" "Species_3" etc Sample_1 0 0.12432 0.3456 etc and is in a .csv file My environment data (.csv again) looks like this: Temp...
2010 May 22
1
How to find all single minima, i.e. only each one within each next part of analyzed vector (table)
...18,19,20) mass_value<-c(9,2,3,2,5,6,7,8,9,10,2.1,12, 1,14,15,16,17,18,19,20) mass_label<-c("lab1","lab2","lab3","lab4","lab5","lab6","lab7","lab8","lab9","lab10", "lab11","lab12","lab13","lab14","lab15","lab16","lab17","lab18","lab19","lab20") dt<-5 # i.e. mass_value<-c (9,0,3,1,5,6,7,8,3,10,2.1,12, 1, 1,15,16,17,18,19,20) mass_position<-c(1,2,3,4,5,6,7,8,9,10, 11,12,13...
2004 Oct 12
5
covariate selection?
Hello, I am hoping someone can help me with the following multivariate issue: I have a model consisting of about 50 covariates. I would like to reduce this to about 5 covariate for the reduced model by combining cofactors that are strongly correlated. Is there a package or function that would help me with this in R? I appreciate any suggestions. Thanks, Ian