I did a tutorial on installing StatET on my Win64 system, you can find it here ( mirror ). Despite the fact that no rocket science can easily cope with problems along the way.
You need to configure R for your system first, and then you also need to go to Run> Run Configurations ... and add an R-console before you can start it.
You also need to be careful with your version of Java. I had to uninstall all of my Java and then reinstall the 64-bit version before it worked. I think I could use the 32-bit version, but since I use 64-bit R, I thought this might be the best option (although I think the Eclipse and R environment really don't care about bit exchanges)
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