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Annotation of /trunk/R/textmin/ChangeLog

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Revision 61 - (view) (download)

1 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/: Remaining changes as discussed with David.
4 :    
5 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 :     * R/: Some changes as suggested by David. The rest will follow
8 :     within the next days.
9 :    
10 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
11 :    
12 :     * man/: Finished documentation.
13 :    
14 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
15 :    
16 :     * man/: Wrote some documentation.
17 :    
18 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
19 :    
20 :     * R/: Further syntactic sugar in form of additional assignment and
21 :     accessor methods.
22 :    
23 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
24 :    
25 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
26 : feinerer 56 operators.
27 : feinerer 54
28 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
31 :     and dissimilarities.
32 :    
33 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
34 :    
35 :     * R/: Added similarity functions.
36 :    
37 :     * data/: Added english stopwords.
38 :    
39 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
40 :    
41 : feinerer 51 * data/: Examples compiled for new features
42 :    
43 :     * R/: Changes due to new structure.
44 :    
45 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
46 :    
47 :     * R/termdocmatrix.R: Adapted for new naming scheme.
48 :    
49 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
50 :    
51 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
52 :     several transform and filter functions operating on text document
53 :     collections (alias text document databases).
54 :    
55 :     * R/aobjects.R: Adapted class structure with inheritance,
56 :     repositories and additional meta data. Loading files on demand is
57 :     now possible.
58 :    
59 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
60 :    
61 :     * R/: Some cosmetic cleanups.
62 :    
63 :     * inst/: Removed vignette on clustering. That and much more is now
64 :     described in the JSS paper on text mining. Based upon that
65 :     article an elaborated vignette will be incorporated in the future.
66 :    
67 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
68 :    
69 :     * R/: Updated generic S4 methods to comply with signature changes
70 :     in newer versions of R (> 2.3)
71 :    
72 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
73 :    
74 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
75 :    
76 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
77 :    
78 :     * R/textdoccol.R: Added RIS HTML input format.
79 :    
80 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
81 :    
82 :     * R/textdoccol.R: Removed bug that caused invalid text document
83 :     collections when handling many input files.
84 :    
85 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
86 :    
87 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
88 :     mechanism.
89 :    
90 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
91 :     ReutNews.rda
92 :    
93 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
94 :    
95 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
96 :    
97 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
98 :    
99 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
100 :     clustering facilities of this package.
101 :    
102 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
103 :    
104 :     * R/aobjects.R: Changed package document structure to avoid class
105 :     dependency problems.
106 :    
107 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
108 :    
109 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
110 :     data set.
111 :    
112 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
113 :     CMD check textmin" works without errors.
114 :    
115 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
116 :    
117 :     * src/: Various splits can now be easily created for the
118 :     Reuters21578 data set.
119 :    
120 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
121 :    
122 :     * Updated documentation
123 :    
124 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
125 :    
126 :     * Wrote R documentation for some classes and methods.
127 :    
128 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
129 :    
130 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
131 :     files. See the questionnaire data/Umfrage.csv for such an example.
132 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
133 : feinerer 22
134 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
135 :     matrix is now possible.
136 :    
137 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
138 :    
139 :     * R/textdoccol.R: One can build term-document matrices if
140 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
141 :     document collection with it.
142 :    
143 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
144 :    
145 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
146 :    
147 :     * R/textdoccol.R: We now can read in a whole XML file with several
148 :     news items.
149 :    
150 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
151 :    
152 :     * R/textdoccol.R: Set up an S4 class for a collection of text
153 :     documents. A first attempt to read in XML input (like the RCV1
154 :     set) was made.
155 :    
156 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
157 :     some accessor functions.
158 :    
159 :     * data/newsitem.xml: Added this XML file for testing purposes. It
160 :     contains a single news item from the Reuters Corpus Volume 1
161 :     (RCV1) XML set.
162 :    
163 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
164 :    
165 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
166 :     textmatrix as k-means clustering provided by R (kmeans) now works on
167 :     this textmatrix. The result is a k-means text clustering with a
168 :     similarity measure based upon word frequences.
169 :    
170 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
171 :    
172 :     * R/textmatrix.R: Adapted the preprocessing code from the R
173 :     package "lsa" written by Fridolin Wild to build a document text matrix.
174 :    
175 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
176 :    
177 :     * Set up the R Text Mining Package infrastructure.

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