[R] overlay points on plot
femke
femke at geog.umd.edu
Wed Feb 18 20:00:10 CET 2004
Brilliant! Why the double brackets though?
thanks
femke
----- Original Message -----
From: <james.holtman at convergys.com>
To: "femke" <femke at geog.umd.edu>
Sent: Wednesday, February 18, 2004 1:58 PM
Subject: Re: [R] overlay points on plot
>
>
>
>
> have you tried:
>
> points(v[[2]],v[[3]])
> __________________________________________________________
> James Holtman "What is the problem you are trying to solve?"
> Executive Consultant -- Office of Technology, Convergys
> james.holtman at convergys.com
> +1 (513) 723-2929
>
>
>
> "femke"
> <femke at geog.umd.edu> To:
<r-help at stat.math.ethz.ch>
> Sent by: cc:
> r-help-bounces at stat.m Subject: [R] overlay
points on plot
> ath.ethz.ch
>
>
> 02/18/2004 13:03
>
>
>
>
>
>
>
> Dear R-help list,
>
> I'm trying to overlay a number of data objects in a plot. Following an
> earlier example on the list I've created an empty plot as follows
>
> > xlim <- range(as.numeric(c("0","10000")))
> > ylim <- range(as.numeric(c("0","25")) )
> > plot(NA, xlim=xlim, ylim=ylim, xlab="distance", ylab="semivariance")
>
> However when I try to plot something on it, I get the following error:
>
> > points(v[2],v[3])
> Error in as.double.default(x) : (list) object cannot be coerced to double
>
> A sample of my data looks like the following V[2]:
>
> gamma
> 1 0.040000
> 2 0.582500
> 3 1.574545
> 4 7.126500
> .....
>
> and V[3]:
>
> dist
> 1 470.0426
> 2 1045.6365
> 3 1607.1936
> ....
>
>
> Does anyone have any idea how to fix this?
>
> Thanks very much,
>
> femke
> [[alternative HTML version deleted]]
>
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