This is a drawing problem rading the use of histogram function since you dont
have original data.
Then just use the rect function. e.g with you data
yrbreak<-c(0, 1, 2, 3, 3.5, 4.5, 5, 5.5, 6)
yrsurfa<-c (0, 0.2, 0.3, 0.3, 0.1, 0, 0.1, 0)
plot(yrbreak,yrsurfa,col="white",xaxt="n",xlim=c(0,7),ylim=c(0,1),ylab="")
axis(1,yrbreak,paste(yrbreak))
rect(1, 0, 2, 0.2, col = "grey"); #
The first
rect(2, 0, 3, 0.3, col = "grey");
#The second
rect(3, 0, 3.5,0.6, col = "grey"); # ...
rect(3.5, 0, 4.5, 0.1, col = "grey");
rect(5, 0, 5.5, 0.2, col = "grey");
Justin BEM
BP 1917 Yaoundé
Tél (237) 99597295
(237) 22040246
----- Message d'origine ----
De : squall44 <[EMAIL PROTECTED]>
À : r-help@stat.math.ethz.ch
Envoyé le : Vendredi, 31 Août 2007, 10h15mn 55s
Objet : [R] Histogram
Hello,
Although I've done lots of research on histograms, I'm still not able to
create one. I'd be glad if someone could explain them to me.
That's what it eventually should look like:
http://www.nabble.com/file/p12423193/histogram.gif
The interval limits are: (0), 1, 2, 3, 3.5, 4.5, 5, 5.5, (6)
The interval widths are therefore: (1), 1, 1, 0.5, 1, 0.5, 0.5, (0.5)
The surface areas are: (0), 0.2, 0.3, 0.3, 0.1, 0, 0.1, (0)
I think the argument for the interval limits is breaks, isn't it? How can I
define the interval widths?
Thanks for any clues
Tobias
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