Article View: sci.crypt
Article #1301Re: Letter Frequency
From: Seth Breidbart
Date: Thu, 15 Oct 1992 14:53
Date: Thu, 15 Oct 1992 14:53
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In article <1992Oct15.140918.27296@emr1.emr.ca> nyelle@ccrs.emr.ca (Norman Yelle) writes: >In article <1big1qINNrnq@matt.ksu.ksu.edu> holland@matt.ksu.ksu.edu (Rich Holland) writes: >>I'm in dire need of a letter frequency chart for the English language. I >>remember as a kid reading books on basic cryptanalysis and seeing these >>charts of the most frequently used letter (like "E" is most often used, >>then "S" or "R" or something, etc). >If you have an on-line copy of the dictionnary, then you can do the >following: > > grep -i e /usr/dict/words | wc > >... to find how many words contain the letter 'e'. You can do this for all >26 letters. This is the results I got with a dictionary of 25144 words: However, that is _not_ what was asked for. Exercise for the reader: Identify two errors in the methodology. Seth sethb@fid.morgan.com
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Newsgroups: sci.crypt,alt.security Path: arc1-ca.pugleaf.net!sparky!uunet!s5!sethb From: sethb@fid.morgan.com (Seth Breidbart) Subject: Re: Letter Frequency Message-ID: <1992Oct15.145339.2020@fid.morgan.com> Organization: my opinions only References: <1big1qINNrnq@matt.ksu.ksu.edu> <1992Oct15.140918.27296@emr1.emr.ca> Date: Thu, 15 Oct 1992 14:53:39 GMT Lines: 21