pgfSweave - An R package for use with Sweave that allows for the speedy compilation of high quality graphics by using TeX package pgf and the utility eps2pgf.
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pgfSweave

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pgfSweave - Extending the functionality of cacheSweave to include quality speedy graphics compilation

As of 15 November 2009, this site will no longer be updated, development will be tracked on the Github site and releases will be made on R-Forge and CRAN.