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SQ: Stata module for sequence analysis

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Author Info

  • Ulrich Kohler

    ()
    (University of Potsdam)

  • Magdalena Luniak
  • Christian Brzinsky-Fay

Abstract

The term sq refers to sequence data and to the commands for analyzing these data. Sequences are entities build by a limited number of elements that are ordered in a specific way. A typical example is the human DNA, where the "Elements" Adenin, Cytosin, Guanin and Thymin (the "organic Bases") are ordered into a sequence. Other sequences are songs, that are build by tones that appear in a specific order, or careers of employers that are build by specific job-positions and ordered along time. Sequence data are data that contains one variable holding the elements, one variable that contain the position of each elements within this sequence, and one variable that identifies the sequences itself. Hence, sequence data requires data that are set up in what Stata usually calls the "long form". This version is updated from that published in Stata Journal, 2006, 6:4.

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File URL: http://fmwww.bc.edu/repec/bocode/s/sq.sthlp
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File URL: http://fmwww.bc.edu/repec/bocode/l/lsq.mata
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File URL: http://fmwww.bc.edu/repec/bocode/s/sqclusterdat.ado
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Bibliographic Info

Software component provided by Boston College Department of Economics in its series Statistical Software Components with number S456755.

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Programming language: Stata
Requires: Stata version 10
Date of creation: 08 Aug 2006
Date of revision: 27 Aug 2013
Handle: RePEc:boc:bocode:s456755

Note: This module should be installed from within Stata by typing "ssc install sq". Windows users should not attempt to download these files with a web browser.
Contact details of provider:
Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA
Phone: 617-552-3670
Fax: +1-617-552-2308
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Web page: http://fmwww.bc.edu/EC/
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Web: http://repec.org/docs/ssc.php

Related research

Keywords: sequence data; DNA; tabulation; graphics; matching; cluster analysis;

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