[R] line plot through NA

[Doran, Harold]

Do you mean something like this:

 plot(approx(Day,V), type='l') 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of 
> rggefrm at ucl.ac.uk
> Sent: Monday, October 02, 2006 10:32 AM
> To: r-help at stat.math.ethz.ch
> Subject: [R] line plot through NA
> 
> Dear R-help list,
> 
> I hope I did not miss something obvious, because my question 
> seems very simple, but I couln't figure out how to do it.
> 
> If I have the following data:
> Day<-c(1,2,3,4,5,6,7)
> V<-c(5,NA,10,30,45,NA,10)
> than the line in plot
> 
> plot(V~Day, type="b")
> 
> will start with the 3rd value and stop stop at the 5th value 
> because all NA are omitted. Is there now a parameter which 
> can be added to the plot function so the line will start with 
> with the first value and skip the NA values and can this than 
> applied to xyplots.
> 
> Many thanks
> 
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