Re: [R] Need help with boxplots

2006-09-26 Thread Gabor Grothendieck
To prevent confusion you might want to use a red dot rather than a line: points(1:2, c(mean(a), mean(b)), col = red) and perhaps label it since its non-standard: text(1:2, c(mean(a), mean(b)), Mean, pos = 4) On 9/26/06, laba diena [EMAIL PROTECTED] wrote: How to add a mean line in the

Re: [R] Need help with boxplots

2006-09-26 Thread David Barron
The problem with a line, I think, would be that the width of the boxes can vary depending on the number of boxes in the plot, etc. No doubt it could be done, but you'd probably have to look into the bxp function to see how the widths are calculated. On 26/09/06, laba diena [EMAIL PROTECTED]

Re: [R] Need help with boxplots

2006-09-26 Thread Gabor Grothendieck
And if you really do want a line segment try this: M - c(mean(a), mean(b)) segments(1:2-0.4, M, 1:2+0.4, M, col = red) On 9/26/06, Gabor Grothendieck [EMAIL PROTECTED] wrote: To prevent confusion you might want to use a red dot rather than a line: points(1:2, c(mean(a), mean(b)), col =