[R] shading an area in a edf

2008-07-08 Thread squall44

Hi,

I've got the following edf:

***

x = c(1.6,1.8,2.4,2.7,2.9,3.3,3.4,3.4,4,5.2)
F2.5 <- ecdf(x)
plot(F2.5,
 verticals= TRUE,
 do.p = TRUE,
 lwd=3,
 ylab = "",
 xlab = "",
 xlim = c(1,5.5))
abline(h= (0:5)*0.2)

#mean

abline(v=mean(x), lwd=2)
mtext(text=expression(bar(x) == 3.07), side=1, adj=0.462, padj=3, cex=1)

***

Now I would like to shade the two areas:

http://www.nabble.com/file/p18334136/ecdf.gif 

Is it possible to do this without too much effort?
Thanks for any suggestion

Tobias
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[R] combine mathematical expressions with plain text

2007-09-20 Thread squall44

Hello,

I would like to create a mtext. The argument 'text' should combine the
mathematical expressions 'bar' with the plain text ' = 3.07'. Is that
possible?

mtext(text=expression(bar(x)) ...)
' = 3.07'

Thanks for any ideas
Tobias
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[R] Adjust barplot to the left

2007-09-25 Thread squall44

Hello,

I have the following problem: I created an ecdf and a barplot. Unfortunatly,
the bars are not where I would like them to be (please see picture below).

http://www.nabble.com/file/p12877530/problem.gif 

That's my code:
#
par(mfrow=c(2,1), mar=c(2,3,3,2))

#ECDF
x = c(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2)
F2.5 <- ecdf(x)
plot(F2.5,
  verticals= TRUE,
  do.p = TRUE,
  lwd=3,
  ylab = "",
  xlab = "",
  main = "Figur 2.12 Frequenztabelle und eVf",
  xlim = c(-1,4))
abline(h= (0:10)*0.1)
mtext(text="x", side=1, adj = 1.03, padj=1.23, cex=1.2)
mtext(text="f(x)", side=3, adj = -0.06, padj=-1, cex=1.2)

par(mar=c(4,3,1,2))

#Barplot   
width<-c(0.4, 0.4, 0.4)
height<-c(0.5, 0.35, 0.15)
barplot(height,width,xlim=c(-1,4), space=1.5,)
axis(side=1)
#

Can anyone tell me how I can adjust the bars to the left?
Thanks

Tobias
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[R] how to create this graph?

2007-10-01 Thread squall44

Hello,

I'm trying to create the following graph:

http://www.nabble.com/file/p12974686/bar.gif 

Is there a command (like pie(...) or barplot(...)) or is this just a special
case of eg barplot?

I'd be glad if someone could give me a hint on where to start.

Regards,
Tobias
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