have you taken a look at the hexbin package? 'cex' , 'pch' & 'col' will let you
make the changes
Sent from my iPad
On Jan 12, 2011, at 21:33, "John Sorkin" wrote:
> I would like to plot 3-dimensional data on a two-dimensional scatter-plot.
> Is there a way I can automatically modify the plot s
On Wed, Jan 12, 2011 at 9:33 PM, John Sorkin
wrote:
> I would like to plot 3-dimensional data on a two-dimensional scatter-plot.
> Is there a way I can automatically modify the plot symbol (e.g. changing size
> or color) to indicate the value of a third variable? E.g. How can I plot
> weight vs.
On Thu, 13 Jan 2011, Bert Gunter wrote:
Duncan:
I must humbly disagree. Here's the problem: in order to accurately
represent the value, the "point" = circle _area_ must be proportional
to the value. That is, the eye "sees" the areas, not the radii, as the
point "size." A delightful reference on
Duncan:
I must humbly disagree. Here's the problem: in order to accurately
represent the value, the "point" = circle _area_ must be proportional
to the value. That is, the eye "sees" the areas, not the radii, as the
point "size." A delightful reference on this is Howard Wainer's 1982
or so (can't
On 01/13/2011 06:19 AM, John Sorkin wrote:
I would like to plot 3-dimensional data on a two-dimensional scatter-plot.
Is there a way I can automatically modify the plot symbol (e.g. changing size
or color) to indicate the value of a third variable? E.g. How can I plot weight
vs. age and indicat
On 11-01-12 9:33 PM, John Sorkin wrote:
> I would like to plot 3-dimensional data on a two-dimensional
scatter-plot.
> Is there a way I can automatically modify the plot symbol (e.g.
changing size or color) to indicate the value of a third variable? E.g.
How can I plot weight vs. age and indica
I would like to plot 3-dimensional data on a two-dimensional scatter-plot.
Is there a way I can automatically modify the plot symbol (e.g. changing size
or color) to indicate the value of a third variable? E.g. How can I plot weight
vs. age and indicate the value of muscle mass for each value wei
Google on "R Graph Gallery" to find examples with code.
You can also almost certainly RSiteSearch() on appropriate keys to
find a pre-existing function (which someone may provideyou on the
list).
Also:
?symbols
-- Bert
On Wed, Jan 12, 2011 at 11:19 AM, John Sorkin
wrote:
> I would like to plot
12:19 PM
> To: r-help@r-project.org
> Subject: [R] 2d plot with modification of plotting symbol to indicate
> third dimension.
>
> I would like to plot 3-dimensional data on a two-dimensional scatter-
> plot.
> Is there a way I can automatically modify the plot symbol (e.g
You don't give an example, but in general you can use a vector for cex with
the values proportional to the third variable.
Same goes for color: col can be a vector, not just a single value.
This has been discussed before on-list, and fairly recently.
Sarah
On Wed, Jan 12, 2011 at 2:19 PM, John
I would like to plot 3-dimensional data on a two-dimensional scatter-plot.
Is there a way I can automatically modify the plot symbol (e.g. changing size
or color) to indicate the value of a third variable? E.g. How can I plot weight
vs. age and indicate the value of muscle mass for each value wei
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