3. The method of claim 1 , further including weighting the determined number of occurrences for said each symbol according to a bit length of said original bits of data represented by the symbols.
3. The method of claim 1 , further including weighting the determined number of occurrences for said each symbol according to a bit length of said original bits of data represented by the symbols. 4. The method of claim 3 , wherein the weighting further includes multiplying the determined number of occurrences for said each symbol by a corresponding said bit length.