[R] HOW to create image like this?

[zcrself]

http://r.789695.n4.nabble.com/file/n2548152/25jfmyx.jpg 

HOW to create image like this?
**tp://i55.tinypic.com/25jfmyx.jpg[/IMG]
I don't known how to create the image above or which function can create
this image?

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