[R] sunflower plot, making vectors?

[R. Michael Weylandt]

I don't know much about sunflowerplots, but perhaps hexagonal binning
might make be worth a look  in your case if you are generally looking
for a scatterplot but the point density is too high.

http://cran.r-project.org/web/packages/hexbin/index.html

Take a look at the vignettes. You can also hexbin in ggplot2:
http://had.co.nz/ggplot2/stat_binhex.html

Hope this helps,
Michael

On Tue, Mar 13, 2012 at 5:59 PM, Henry <hccoles at lbl.gov> wrote:
> I'm having a bit of trouble finding and understanding the correct function to
> make numeric vectors to feed the sunflowerplot function.  I have 33k points
> to show and I want to do better than the standard scatter plot.
> I gather that I need two vectors (x and y) of the same count containing the
> "center" value of each bin.
> FYI - I have two pieces of data:
> 1 - x axis - time in days of the year from 0 to 363.98
> 2 - y axis -  power in kW 54.95 to 461.1
>
> e.g. let's say I want 100 bins in each axis, what function(s) do I use.
> Average the head and tail of each bin?
> I'm sure there are several ways to do this.
>
> After this I'll try to fill in the other sunflowerplot function inputs.
> Thanks,
> -Henry
>
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