Displaying 2 results from an estimated 2 matches for "bstick".
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2009 Nov 15
1
Problem building package for R 2.10.0 on Mac OS X
...ppet
checking examples ... ERROR
Running examples in 'rioja-Ex.R' failed.
The error most likely occurred in:
> ### * chclust
>
> flush(stderr()); flush(stdout())
>
> ### Name: chclust
> ### Title: Constrained hierarchical clustering
> ### Aliases: chclust plot.chclust bstick.chclust
> ### Keywords: cluster hplot
>
> ### ** Examples
>
> data(RLGH)
> diss <- dist(sqrt(RLGH$spec/100)^2)
> clust <- chclust(diss)
> bstick.chclust(clust, 10)
Loading required package: vegan
Warning in library(package, lib.loc = lib.loc, character.only = TRUE, log...
2012 Mar 15
0
PCA R
Hello can anyone help,
I have been running the following script to obtain a PCA plot but the end result is rather disappointing as the points are very very small and there are no titles etc
geochemdata<-read.csv(file.choose(),header=TRUE)
names(geochemdata)
library(vegan)
bstick<-function(n, tot.var=1) rev(cumsum(tot.var/n:1)/n)
geopca<-rda(geochemdata, scale=TRUE)
geopca
geopca$CA$eig/geopca$tot.chi
summary(geopca, scaling=2)
apply(scores(geopca, choices=1.6, display= "species"),
+ 2,function(x) x/sd(x))
plot(geopca$CA$eig, type= "o", col...