Message-ID: <22306851.post@talk.nabble.com>
Date: 2009-03-03T11:28:23Z
From: johnhj
Subject: calculating standard deviation and variance
Hiii,
I have some problems to plot "standard deviation and variance" from a
texfile.
Ich have the following code so far:
x <-read.table(file="new.txt")
x$gruppe <- 100*rep(1:36, each=20)
png(filename = "D:/Uni/new.png", width = 640, height = 480,pointsize = 12,
bg = "white")
boxplot(V3 ~ gruppe, data = x, col = "blue",boxwex=0.7,ylab
="Datenrate(MBit(sec))",xlab = "Zeit(sec)")
dev.off()
My question is, how can I plot the standard deviation and variance of
"x$gruppe <- 100*rep(1:36, each=20)"
Can anybody help me please ?
greetings,
johnh
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