source: branches/help/GDEHELP/HELP_PLAIN/lsadt.help

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1DeSoete Tree fit
2
3        This program uses a least squares fitting method to determine
4        additive trees from a given distance matrix.  The tree generated
5        is passed back in Newick format.  The prefered method of displaying
6        the phylogenetic results is in TreeTool.
7
8       
9
10       LEAST SQUARES ALGORITHM FOR FITTING ADDITIVE TREES TO
11       PROXIMITY DATA
12
13       GEERT DE SOETE  --  VERSION 1.01 - FEB. 1983
14                           VERSION 1.02 - JUNE 1983
15                           VERSION 1.03 - JULY 1983
16
17       'C' version by Michael Macuikenas, University of Illinois
18
19       REFERENCE: DE SOETE, G. A LEAST SQUARES ALGORITHM FOR FITTING
20          ADDITIVE TREES TO PROXIMITY DATA. PSYCHOMETRIKA, 1983, 48,
21          621-626.
22          DE SOETE, G. ADDITIVE TREE REPRESENTATIONS OF INCOMPLETE
23          DISSIMILARITY DATA. QUALITY AND QUANTITY, 1984, 18,
24          387-393.
25
26
27       REMARKS
28       -------
29
30       1) THE PROGRAM USES SUBROUTINES FROM THE PORT LIBRARY FOR
31          ERROR HANDLING, DYNAMIC STORAGE ALLOCATION AND
32          SPECIFICATION OF MACHINE-DEPENDENT CONSTANTS.
33          CF. FOX, P.A., HALL, A.D., & SCHRYER, N.L.
34              - THE PORT MATHEMATICAL SUBROUTINE LIBRAY. ACM TRANS.
35                ON MATH. SOFTW., 1978, 4, 104-126.
36              - ALGORITHM 528. FRAMEWORK FOR A PORTABLE LIBRARY.
37                ACM TRANS. ON MATH. SOFTW., 1978, 4, 177-188.
38       2) UNIFORMLY DISTRIBUTED RANDOM NUMBERS ARE GENERATED BY A
39          PROCEDURE DUE TO SCHRAGE. CF.
40          SCHRAGE, L.  A MORE PORTABLE FORTRAN RANDOM NUMBER GENERATOR.
41          ACM TRANS. ON MATH. SOFTW., 1979, 5, 132-138.
42       3) SUBROUTINES VA14AD AND VA14AC ARE ADAPTED FROM THE
43          HARWELL SUBROUTINE LIBRARY (1979 EDITION).
44       4) ALTHOUGH THIS PROGRAM HAS BEEN CAREFULLY TESTED, THE
45          AUTHOR DISCLAIMS ANY RESPONSABILITY FOR POSSIBLE
46          ERRORS.
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