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
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