thanks @przemo. I'll check out Bit::Vector. We think there are only about 400,000 unique characteristic sets among the 8 million patents, so we'll probably end up dealing with that data set instead, on account of the absurd amount of data this program would return.

In reply to Re^2: Huge data file and looping best practices by carillonator
in thread Huge data file and looping best practices by carillonator

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