Re: [R] Plotting lines to sets of points
# Create a matrix of ball locations # You'd do this using the calls within your points function balls - matrix(c(0,50,25,-150,-100,-50), ncol=2, byrow=F) # Draw a line from the origin to each ball location apply(balls, 1, function(x) lines(c(125, x[1]), c(-210, x[2]), col='red')) A more complete example might loop over all the unique elements of framename$hit_traj, and then run this procedure for each value with a different colour, plotting both ball points and trajectories. lawnboy34 wrote: I am using R to plot baseball spray charts from play-by-play data. I have used the following command to plot the diamond: plot (0:250, -250:0, type=n, bg=white) lines(c(125,150,125,100,125),c(-210,-180,-150,-180,-210), col=c(black)) I have also plotted different hit locations using commands such as the following: points(subset(framename$hit_x, framename$hit_traj==line_drive), subset(-framename$hit_y, framename$hit_traj==line_drive), pch=20, col=c(red)) My question: Is there any easy way to plot a line from the origin (home plate) to each point on the graph? Preferably the line would share the same color as the dot that denotes where the ball landed. I have tried searching Google and these forums, and most graphing questions have to do with scatterplots or other varieties of graphs I am not using. Thanks very much in advance. -Jason -- View this message in context: http://www.nabble.com/Plotting-lines-to-sets-of-points-tf4404235.html#a12564959 Sent from the R help mailing list archive at Nabble.com. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[R] Plotting lines to sets of points
I am using R to plot baseball spray charts from play-by-play data. I have used the following command to plot the diamond: plot (0:250, -250:0, type=n, bg=white) lines(c(125,150,125,100,125),c(-210,-180,-150,-180,-210), col=c(black)) I have also plotted different hit locations using commands such as the following: points(subset(framename$hit_x, framename$hit_traj==line_drive), subset(-framename$hit_y, framename$hit_traj==line_drive), pch=20, col=c(red)) My question: Is there any easy way to plot a line from the origin (home plate) to each point on the graph? Preferably the line would share the same color as the dot that denotes where the ball landed. I have tried searching Google and these forums, and most graphing questions have to do with scatterplots or other varieties of graphs I am not using. Thanks very much in advance. -Jason -- View this message in context: http://www.nabble.com/Plotting-lines-to-sets-of-points-tf4404235.html#a12564704 Sent from the R help mailing list archive at Nabble.com. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] Plotting lines to sets of points
?segments On 9/7/07, lawnboy34 [EMAIL PROTECTED] wrote: I am using R to plot baseball spray charts from play-by-play data. I have used the following command to plot the diamond: plot (0:250, -250:0, type=n, bg=white) lines(c(125,150,125,100,125),c(-210,-180,-150,-180,-210), col=c(black)) I have also plotted different hit locations using commands such as the following: points(subset(framename$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. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html 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? __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
