plot lines at 0,0 axis

x<- rnorm(100)

> y <- rnorm(100)
 > plot(x,y)
 > abline(h=0)
 > abline(v=0)
 > box(col="grey")

Hii

 I am trying to plot lines at (0,0) axis where my scatterplot goes  
between positive n negative values for x and y axis

 i can plot point using points(0,0) but if i want to draw lines  
along it, can't seem to get it right

Mohan

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David Winsemius, MD
Heritage Laboratories
West Hartford, CT

Quoting Mohan Singh <Mohan.Singh at ucd.ie>:

Hii

   I am trying to plot lines at (0,0) axis where my scatterplot goes
between positive n negative values for x and y axis

   i can plot point using points(0,0) but if i want to draw lines
along it, can't seem to get it right

?abline

maybe abline(h = 0)
abline(v = 0)

HTH

Mohan

______________________________________________
R-help at r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

"PaCo" == p connolly <p_connolly at slingshot.co.nz>
    on Tue, 17 Mar 2009 10:42:49 +1300 writes:

PaCo> Quoting Mohan Singh <Mohan.Singh at ucd.ie>:
    >> Hii
    >> 
    >> I am trying to plot lines at (0,0) axis where my scatterplot goes
    >> between positive n negative values for x and y axis
    >> 
    >> i can plot point using points(0,0) but if i want to draw lines
    >> along it, can't seem to get it right

    PaCo> ?abline

    PaCo> maybe abline(h = 0)
    PaCo>       abline(v = 0)

Yes.  And one  abline() call is sufficient :

 abline(h = 0, v = 0)

Martin Maechler, ETH Zurich