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Running R on a Linux server in headless mode (i.e. producing graphics without XWindows running) can be tricky. Some people recommend using a virtual X framebuffer. However, I’ve found that the best approach (at least im my opinion) is to use the R interface to Cairo. This allows R to produce png graphics in headless [...]**The Research Kitchen Weblog » R**, and kindly contributed to R-bloggers)To

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