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Table 2 Compression ratio for the different smoothing tools and compressors. The ratio is defined as \(\frac {\text {uncompressed size}}{\text {compressed size}}\) where the uncompressed size is 42GB

From: Better quality score compression through sequence-based quality smoothing

Smoothing algorithm gzip bzip2 xz (LZMA)
None (original files) 4.617 5.152 5.918
YALFF 7.147 7.633 9.186
Quartz 6.925 7.349 8.827
Leon 7.098 7.551 8.988
Illumina 8bin 6.054 6.742 7.819
Pblock p =2 5.373 5.966 7.011
Pblock p =4 6.052 6.647 7.671
Rblock t =1.1 6.285 6.859 7.941
Rblock t =1.15 6.675 7.250 8.443
QVZ 0.6 4.776 5.533 6.395
QVZ 0.8 4.778 5.510 6.366