On 26.05.2012 08:17, Jhope wrote:> Hi R-listers,
>
> I am having trouble plotting the values for the R2 line, lowess smooth,
> smothered conditional spread, outlier identification.
> I have tried the function text and legend but was unsuccessful. Please see
> below.
>
> Your help would be appreciated. Thanks in advance.
>
> Jean
>
>
>
> library(car)
>> SPHSHTL<- scatterplot(HSuccess ~ HTL,
> + data = data.to.analyze,
> + xlab = "Distance to high tide line
(metres)",
> + ylab = "Hatching success (%)")
>
>> legend("topright", bty="n", legend=paste("R2
is",
> +
> format(summary(SPHSHTL)$adj.r.squared, digits=4)))
scatterplot() does not return anything useful, and in particular it does
not include any element called "adj.r.squared".
I think you want to fit a model using lm() or so and proceed from there?
Uwe Ligges
> Error in summary(SPHSHTL)$adj.r.squared :
> $ operator is invalid for atomic vectors
>
>> text(SPHSHTL)
> Error in text.default(SPHSHTL) : zero length 'labels'
>
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