[R] Filled step-function?

[Petr Klasterecky]

Hi,

I am not sure what exactly you would like to fill up and how, but take a 
look at
?polygon
and the examples given there.

hth
Petr


Beate Kowalczyk napsal(a):
> Hello,
> 
> I'd like to generate a filled step-function in R as you can see in the 
> attachement (image is generated by grapher, but I need a freely 
> available alternative). The problem is, that I don't know, how to fill 
> it up. My code right now looks like this:
> 
> pH <- c(0,6.1,6.1,6.3,6.6,7.3,0)
> Tiefe <- c(0,0,10,40,80,120,10)
> plot(pH,Tiefe,type="s",main="Tiefenfunktion pH",ylim=c(120,0),xlim=c(0,23))
> 
> Can someone give me an hint how to work on this?
> 
> Thanks, Beate
> 
> 
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-- 
Petr Klasterecky
Dept. of Probability and Statistics
Charles University in Prague
Czech Republic