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Hi, How can I execute some scripts from within R. I have a large data file which I process (for instance with gawk, but not only) before performing some statistics. I would like to do this in R, so that I do not have to save many data files and then making analysis on them (which proved to be unefficient) Thank you Marco Grazzi

Hi Everybody, I am a total beginner at this so please bear with me. I downloaded by hand the file WIG20.txt (Warsaw Stock Exchange Index of 20 most important stocks). The format is this: Name,Date,Open,High,Low,Close,Volume WIG20,19940414,1000.00,1000.00,1000.00,1000.00,71600.000 WIG20,19940418,1050.50,1050.50,1050.50,1050.50,99950.000 WIG20,19940419,1124.90,1124.90,1124.90,1124.90,138059.000