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Annotation of /trunk/R/textmin/ChangeLog

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Revision 69 - (view) (download)

1 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/: Added functions for modifying and removing metadata.
4 :    
5 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 :     * man/: Updated some documentation.
8 :    
9 :     * R/: Corrected some connection issues.
10 :    
11 :     * inst/doc: Worked on the vignette.
12 :    
13 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
14 :    
15 : feinerer 66 * inst/: Added texts and started vignette.
16 :    
17 : feinerer 65 * R/: Final changes based upon David's comments.
18 :    
19 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
20 :    
21 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
22 :     directives!).
23 :    
24 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
25 :    
26 :     * R/: Modified the TextDocCol constructur and various parsers. It
27 :     is now modular and supports various file formats via plugins (see
28 :     the new "Source" class).
29 :    
30 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
31 :    
32 :     * man/: Revised documentation after previous code changes.
33 :    
34 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
35 :    
36 :     * R/: Remaining changes as discussed with David.
37 :    
38 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
39 :    
40 :     * R/: Some changes as suggested by David. The rest will follow
41 :     within the next days.
42 :    
43 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
44 :    
45 :     * man/: Finished documentation.
46 :    
47 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
48 :    
49 :     * man/: Wrote some documentation.
50 :    
51 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
52 :    
53 :     * R/: Further syntactic sugar in form of additional assignment and
54 :     accessor methods.
55 :    
56 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
57 :    
58 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
59 : feinerer 56 operators.
60 : feinerer 54
61 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
62 :    
63 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
64 :     and dissimilarities.
65 :    
66 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
67 :    
68 :     * R/: Added similarity functions.
69 :    
70 :     * data/: Added english stopwords.
71 :    
72 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
73 :    
74 : feinerer 51 * data/: Examples compiled for new features
75 :    
76 :     * R/: Changes due to new structure.
77 :    
78 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
79 :    
80 :     * R/termdocmatrix.R: Adapted for new naming scheme.
81 :    
82 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
83 :    
84 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
85 :     several transform and filter functions operating on text document
86 :     collections (alias text document databases).
87 :    
88 :     * R/aobjects.R: Adapted class structure with inheritance,
89 :     repositories and additional meta data. Loading files on demand is
90 :     now possible.
91 :    
92 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
93 :    
94 :     * R/: Some cosmetic cleanups.
95 :    
96 :     * inst/: Removed vignette on clustering. That and much more is now
97 :     described in the JSS paper on text mining. Based upon that
98 :     article an elaborated vignette will be incorporated in the future.
99 :    
100 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
101 :    
102 :     * R/: Updated generic S4 methods to comply with signature changes
103 :     in newer versions of R (> 2.3)
104 :    
105 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
106 :    
107 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
108 :    
109 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
110 :    
111 :     * R/textdoccol.R: Added RIS HTML input format.
112 :    
113 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
114 :    
115 :     * R/textdoccol.R: Removed bug that caused invalid text document
116 :     collections when handling many input files.
117 :    
118 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
119 :    
120 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
121 :     mechanism.
122 :    
123 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
124 :     ReutNews.rda
125 :    
126 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
127 :    
128 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
129 :    
130 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
131 :    
132 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
133 :     clustering facilities of this package.
134 :    
135 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
136 :    
137 :     * R/aobjects.R: Changed package document structure to avoid class
138 :     dependency problems.
139 :    
140 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
141 :    
142 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
143 :     data set.
144 :    
145 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
146 :     CMD check textmin" works without errors.
147 :    
148 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
149 :    
150 :     * src/: Various splits can now be easily created for the
151 :     Reuters21578 data set.
152 :    
153 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
154 :    
155 :     * Updated documentation
156 :    
157 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
158 :    
159 :     * Wrote R documentation for some classes and methods.
160 :    
161 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
162 :    
163 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
164 :     files. See the questionnaire data/Umfrage.csv for such an example.
165 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
166 : feinerer 22
167 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
168 :     matrix is now possible.
169 :    
170 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
171 :    
172 :     * R/textdoccol.R: One can build term-document matrices if
173 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
174 :     document collection with it.
175 :    
176 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
177 :    
178 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
179 :    
180 :     * R/textdoccol.R: We now can read in a whole XML file with several
181 :     news items.
182 :    
183 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
184 :    
185 :     * R/textdoccol.R: Set up an S4 class for a collection of text
186 :     documents. A first attempt to read in XML input (like the RCV1
187 :     set) was made.
188 :    
189 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
190 :     some accessor functions.
191 :    
192 :     * data/newsitem.xml: Added this XML file for testing purposes. It
193 :     contains a single news item from the Reuters Corpus Volume 1
194 :     (RCV1) XML set.
195 :    
196 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
197 :    
198 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
199 :     textmatrix as k-means clustering provided by R (kmeans) now works on
200 :     this textmatrix. The result is a k-means text clustering with a
201 :     similarity measure based upon word frequences.
202 :    
203 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
204 :    
205 :     * R/textmatrix.R: Adapted the preprocessing code from the R
206 :     package "lsa" written by Fridolin Wild to build a document text matrix.
207 :    
208 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
209 :    
210 :     * Set up the R Text Mining Package infrastructure.

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