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...er the above step I need to convert my ff_matrix to a data.frame to discretize the whole matrix and calculate the mutual information. The calculated result should be saved as an ffdf-object or something similar. require(infotheo) disc <- as.ffdf(discretize(as.data.frame(as.ffdf(cc)), disc="equalwidth", nbins=5)) This won't work. After this step it somehow loses the path to the working directory. As soon as I try to discretize the next data.frame I get the following message: Error in if (dfile == getOption("fftempdir")) finalizer <- "delete" else finalizer <-...

Hello Everyone,   Learning about R and its wonderful array of functions. If it's not obvious, I usually try to find out what a function stands for. I think this helps me remember better.   One function that has me stumped is "sink." Can anyone tell me if this stands for something?   Thanks,   Paul         __________________________________________________ [[alternative HTML