Rtcl is a Tcl extension for executing code in the R [1] programming language. R is a free version of Bell Labs' S language for statistical computing. Rtcl embeds an R interpreter into Tcl, and allows access to it via Tcl commands. Rtcl was written by Neil McKay, and is available from

    http://www.eecs.umich.edu/~mckay/computer/Rtcl0.3.tar.gz

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