search for: indval

Displaying 7 results from an estimated 7 matches for "indval".

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2012 Jul 23
1
extract values from summary of function indval of the package labdsv
Hi everybody, I am doing Indicator species analysis using the function "indval" from the package "labdsv". For further analysis I need the values "Number of Significant Indicators" and "Sum of Indicator Values" that is calculated from the summary on my indval object. indication3<-indval(Veg,caver3,numitr=4999) summary(indication3)...
2005 Sep 19
4
indicator value in labdsv
Hi, I'm trying to find out what threshold of indicator value in labadsv should be used to accept a specie as an indicator one? So far I assumed that indval=0.5 is high enough to avoid any mistakes but it was based only in my intuition. I'd be greatful for any advise best regards Agnieszka
2005 Aug 08
2
INDVAL and mvpart
Hi, I'd like to perform Dufrene-Legendre Indicator Species Analysis for a multivariate regression tree. However I have problems with arguments of duleg(veg,class,numitr=1000)function. How to obtain a vector of numeric class memberships for samples, or a classification object returned from mvpart? thanks in advance -- Best regards, Agnieszka Strzelczak
2011 Oct 17
1
plotting issues with PCA
...quot;HAL7","DOH1","DOH2","DOH3","DOH4","DOH5") > fish.pca <-rda(fish.sqrt.h) > fish.site <- scores(fish.pca,display="sites",scaling=3) > fish.spp <- scores(fish.pca,display="species",scaling=3)[omanfish.mrt.indval$pval<=0.05,] > graph <- plot(fish.pca,display=c("sites","species"),type="n",scaling=3) > plotcolor <- c("red","green","blue","aquamarine","magenta","yellow")[site.codings] > points(fish.site,...
2016 Apr 18
3
Indicator Species analysis; trouble with multipatt
...with multipatt. I am getting errors, I believe, do to my data organization. After reorganizing and reorganizing, nothing has helped. > data<- read.csv(file="Data1.csv", header=TRUE, row.names=1, sep=",") > ap<-data[c(1:24, 1:81)] > groups<-c(rep(1:4,6)) > indval<- multipatt(ap, groups, control = how(nperm=999)) *Error in tx %*% comb : non-conformable arguments* -- Ansley Silva *"The clearest way into the Universe is through a forest wilderness." John Muir* *Graduate Research Assistant*
2016 Apr 19
0
Indicator Species analysis; trouble with multipatt
...ieve, do > to > my data organization.? After reorganizing and reorganizing, nothing has > helped. > >> data<- read.csv(file="Data1.csv", header=TRUE, row.names=1, sep=",") >> ap<-data[c(1:24, 1:81)] >> groups<-c(rep(1:4,6)) >> indval<- multipatt(ap, groups, control = how(nperm=999)) > *Error in tx? %*% comb : non-conformable arguments* > > > > -- > Ansley Silva > > > *"The clearest way into the Universe is through a forest wilderness." > John > Muir* > > > *Gr...
2016 Apr 19
0
Indicator Species analysis; trouble with multipatt
..., I believe, do > to > my data organization. After reorganizing and reorganizing, nothing has > helped. > >> data<- read.csv(file="Data1.csv", header=TRUE, row.names=1, sep=",") >> ap<-data[c(1:24, 1:81)] >> groups<-c(rep(1:4,6)) >> indval<- multipatt(ap, groups, control = how(nperm=999)) > *Error in tx %*% comb : non-conformable arguments* > > > > -- > Ansley Silva > > > *"The clearest way into the Universe is through a forest wilderness." > John > Muir* > > > *Graduate...