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2008 Sep 03
1
how to reduce stress value in isoMDS?
I apply isoMDS to my data, but the result turns out to be bad as the stress
value stays around 31! Yeah, 31 ,not 3.1... I don't know if I ignore
something before recall isoMDS.
My code as follow:
m <- read.table("e:/tsdata.txt",header=T,sep=",")
article_number <- ts(m, start = 2004,end=2008, frequency = 1
,names=colnames(m))
jpeg(filename="e:/tsmap.gif",width = 480, height = 480, units = "px",
pointsize = 12, quality = 75, bg = "white", res = NA, restoreConsole = TRUE)
plot(article_number, plot.type="single",...