Hi, I need to draw something like the attached image.In addition to that, I need to insert a small plot beside each circle.Is this possible with any of the addon packages? any help is appreciated. -- Rajesh.J -------------- next part -------------- A non-text attachment was scrubbed... Name: Hmm-backward-algorithm.png Type: image/png Size: 89957 bytes Desc: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20090709/86a1fbb7/attachment-0002.png>