R installation
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Installation of R 3.0.2 for Windows
Download the installer R-3.0.2-win.exe which conains a binary distribution of R-3.0.2 to run on Windows XP and later (including 64-bit versions of Windows). Just run this for a Windows-style installer with standard user rights not as administrator. During setup change the default installation folder to C:\OSGeo4W\bin\R\R-3.0.2