Dr. Bernhard Balkenhol

Compression results › Canterbury corpus

Canterbury corpus

The 11 files of the Canterbury corpus plus the three files of the large Canterbury corpus (E.coli, bible.txt, world192.txt).

FileSizebbz -9bits/bytegzip -9bits/byte
alice29.txt152,08940,4092.12654,1912.850
asyoulik.txt125,17937,3052.38448,8293.121
cp.html24,6037,2592.3607,9812.595
fields.c11,1502,8312.0313,1362.250
grammar.lsp3,7211,1712.5181,2462.679
kennedy.xls1,029,74422,6720.176209,7331.629
lcet10.txt426,75499,4621.865144,4292.707
plrabn12.txt481,861134,5492.234194,2773.225
ptt5513,21625,9370.40452,3820.817
sum38,24011,2402.35112,7722.672
xargs.14,2271,6373.0981,7563.323
E.coli4,638,6901,090,0091.8801,299,0662.240
bible.txt4,047,392727,1471.4371,176,6452.326
world192.txt2,473,400399,6061.292721,4132.333
Total13,970,2662,601,2341.868 (1.490)3,927,8562.483 (2.249)

Bits per byte = 8 × compressed size / original size. In the total row the first value is the average of the per-file rates, the value in parentheses the rate over the whole corpus.