Article View: sci.crypt
Article #1297Re: Letter Frequency
From: Norman Yelle
Date: Thu, 15 Oct 1992 14:09
Date: Thu, 15 Oct 1992 14:09
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1946 bytes
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). I don't remember the order, but now >I need it. Anyone got a copy of a table of something like this online? > >If not, got a source where I can go look it up quick? > 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: a 13190 b 3862 c 7204 d 5324 e 14835 f 2342 g 3756 h 4844 i 11428 j 427 k 1848 l 8625 m 5320 n 10256 o 10285 p 4929 q 377 r 11533 s 8700 t 10599 u 5989 v 1848 w 1907 x 616 y 3523 z 380 Norman. -- Norman Yelle (Email: nyelle@ccrs.emr.ca) | Amazing Canada Centre for Remote Sensing --+-- Grace 588 Booth Street, Ottawa, Ontario, Canada K1A 0Y7 | Phone: (613) 947-1299 Fax: (613) 947-1408 | Romans 1.16
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arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!zaphod.mps.ohio-state.edu!cs.utexas.edu!torn!cunews!nrcnet0!emr1!nyelleReferences:
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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!zaphod.mps.ohio-state.edu!cs.utexas.edu!torn!cunews!nrcnet0!emr1!nyelle From: nyelle@ccrs.emr.ca (Norman Yelle) Newsgroups: sci.crypt,alt.security Subject: Re: Letter Frequency Message-ID: <1992Oct15.140918.27296@emr1.emr.ca> Date: 15 Oct 92 14:09:18 GMT References: <1big1qINNrnq@matt.ksu.ksu.edu> Sender: news@emr1.emr.ca Organization: Canada Centre for Remote Sensing, Ottawa Lines: 51 Nntp-Posting-Host: nova.ccrs.emr.ca