[R] Plotting lines to sets of points

jim holtman jholtman at gmail.com
Sat Sep 8 03:34:16 CEST 2007


?segments

On 9/7/07, lawnboy34 <jay.pare at gmail.com> wrote:
>
> I am using R to plot baseball spray charts from play-by-play data. I have
> used the following command to plot the diamond:
>
> plot (0:250, -250:0, type="n", bg="white")
>        lines(c(125,150,125,100,125),c(-210,-180,-150,-180,-210), col=c("black"))
>
> I have also plotted different hit locations using commands such as the
> following:
>
> points(subset(framename$hit_x, framename$hit_traj=="line_drive"),
> subset(-framename$hit_y, framename$hit_traj=="line_drive"), pch=20,
> col=c("red"))
>
> My question: Is there any easy way to plot a line from the origin (home
> plate) to each point on the graph? Preferably the line would share the same
> color as the dot that denotes where the ball landed. I have tried searching
> Google and these forums, and most graphing questions have to do with
> scatterplots or other varieties of graphs I am not using. Thanks very much
> in advance.
>
> -Jason
> --
> View this message in context: http://www.nabble.com/Plotting-lines-to-sets-of-points-tf4404235.html#a12564704
> Sent from the R help mailing list archive at Nabble.com.
>
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> and provide commented, minimal, self-contained, reproducible code.
>


-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?



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