search for: kwollenberg

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2005 Jan 06
1
Calculating a table of symbol frequencies
...without a loop) way to do this? Is there some way to use table or ftable to create an 22 x 236 table of amino acid frequencies from align1 and AA in one fell swoop? Thanks, Kurt Wollenberg, PhD Tufts Center for Vision Research New England Medical Center 750 Washington St, Box 450 Boston, MA, USA kwollenberg at tufts-nemc.org 617-636-8945 (Fax) 617-636-9028 (Lab) The most exciting phrase to hear in science, the one that heralds new discoveries, is not "Eureka!" (I found it!) but "That's funny ..." --Isaac Asimov ********************** Confidentiality Notice\ *************...
2005 Mar 01
1
Two problems building a package
...\deqn{blah = Blah}{% blah = Blah} where \eqn{blah}{%blah} = frequency of \emph{b} in Blah. Blah blah blah. } Any help would be greatly appreciated. Cheers, Kurt Wollenberg, PhD Tufts Center for Vision Research New England Medical Center 750 Washington St, Box 450 Boston, MA, USA kwollenberg at tufts-nemc.org 617-636-8945 (Fax) 617-636-9028 (Lab) The most exciting phrase to hear in science, the one that heralds new discoveries, is not "Eureka!" (I found it!) but "That's funny ..." --Isaac Asimov ********************** Confidentiality Notice\ *************...
2005 Jan 03
1
Calculating symbol (letter) frequencies
...symbol frequencies how do I extract these from the data? Should I try to extract this from summary or is there a more efficient way to calculate symbol frequencies? Thanks, Kurt Wollenberg, PhD Tufts Center for Vision Research New England Medical Center 750 Washington St, Box 450 Boston, MA, USA kwollenberg at tufts-nemc.org 617-636-8945 (Fax) 617-636-9028 (Lab) The most exciting phrase to hear in science, the one that heralds new discoveries, is not "Eureka!" (I found it!) but "That's funny ..." --Isaac Asimov ********************** Confidentiality Notice\ *************...
2004 Nov 09
0
Vector multiplication wrap-around
...ping problem. Is there an efficient method for making vector multiplication wrap around the end of the matrix? I'm using R-2.0.0 running on Windows XP Pro 2002. Cheers, Kurt Wollenberg, PhD Tufts Center for Vision Research New England Medical Center 750 Washington St, Box 450 Boston, MA, USA kwollenberg at tufts-nemc.org 617-636-8945 (Fax) 617-636-9028 (Lab) The most exciting phrase to hear in science, the one that heralds new discoveries, is not "Eureka!" (I found it!) but "That's funny ..." --Isaac Asimov ********************** Confidentiality Notice\ *************...