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infoether
2010 Apr 13
2
how to work with big matrices and the ff-package?
...quot;, j, sep="")
x <- x+1
}
}
dimnames(b)[[2]] <- namb
After 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...