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Annotation of /trunk/tm/ChangeLog

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Revision 76 - (view) (download)
Original Path: trunk/R/textmin/ChangeLog

1 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
4 :    
5 :     * data/crude.rda: Rebuilt.
6 :    
7 :     * data/acq.rda: Rebuilt.
8 :    
9 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
10 :    
11 :     * R/textdoccol.R ([): Bug fix for subsetting a document
12 :     collection's data frame.
13 :    
14 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
15 :    
16 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
17 :     to s_filter.
18 :    
19 :     * R/textdoccol.R: Local text documents' metadata can now be copied
20 :     to a document collection's data frame with prescind_meta.
21 :    
22 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
23 :    
24 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
25 :    
26 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
27 :    
28 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * R/: Various fixes in handling metadata.
31 :    
32 :     * R/: Added update mechanism for text document collections.
33 :    
34 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
35 :    
36 :     * R/: Merging of document collections now creates a binary tree
37 :     for reconstructing merged document collections.
38 :    
39 :     * R/: Redesign of metadata for document collections.
40 :    
41 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
42 :    
43 :     * R/: Messages now use \code{ngettext}.
44 :    
45 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
46 :    
47 :     * R/: Added functions for modifying and removing metadata.
48 :    
49 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
50 :    
51 :     * man/: Updated some documentation.
52 :    
53 :     * R/: Corrected some connection issues.
54 :    
55 :     * inst/doc: Worked on the vignette.
56 :    
57 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
58 :    
59 : feinerer 66 * inst/: Added texts and started vignette.
60 :    
61 : feinerer 65 * R/: Final changes based upon David's comments.
62 :    
63 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
64 :    
65 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
66 :     directives!).
67 :    
68 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
69 :    
70 :     * R/: Modified the TextDocCol constructur and various parsers. It
71 :     is now modular and supports various file formats via plugins (see
72 :     the new "Source" class).
73 :    
74 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
75 :    
76 :     * man/: Revised documentation after previous code changes.
77 :    
78 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
79 :    
80 :     * R/: Remaining changes as discussed with David.
81 :    
82 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
83 :    
84 :     * R/: Some changes as suggested by David. The rest will follow
85 :     within the next days.
86 :    
87 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
88 :    
89 :     * man/: Finished documentation.
90 :    
91 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
92 :    
93 :     * man/: Wrote some documentation.
94 :    
95 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
96 :    
97 :     * R/: Further syntactic sugar in form of additional assignment and
98 :     accessor methods.
99 :    
100 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
101 :    
102 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
103 : feinerer 56 operators.
104 : feinerer 54
105 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
106 :    
107 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
108 :     and dissimilarities.
109 :    
110 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
111 :    
112 :     * R/: Added similarity functions.
113 :    
114 :     * data/: Added english stopwords.
115 :    
116 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
117 :    
118 : feinerer 51 * data/: Examples compiled for new features
119 :    
120 :     * R/: Changes due to new structure.
121 :    
122 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
123 :    
124 :     * R/termdocmatrix.R: Adapted for new naming scheme.
125 :    
126 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
127 :    
128 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
129 :     several transform and filter functions operating on text document
130 :     collections (alias text document databases).
131 :    
132 :     * R/aobjects.R: Adapted class structure with inheritance,
133 :     repositories and additional meta data. Loading files on demand is
134 :     now possible.
135 :    
136 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
137 :    
138 :     * R/: Some cosmetic cleanups.
139 :    
140 :     * inst/: Removed vignette on clustering. That and much more is now
141 :     described in the JSS paper on text mining. Based upon that
142 :     article an elaborated vignette will be incorporated in the future.
143 :    
144 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
145 :    
146 :     * R/: Updated generic S4 methods to comply with signature changes
147 :     in newer versions of R (> 2.3)
148 :    
149 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
150 :    
151 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
152 :    
153 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
154 :    
155 :     * R/textdoccol.R: Added RIS HTML input format.
156 :    
157 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
158 :    
159 :     * R/textdoccol.R: Removed bug that caused invalid text document
160 :     collections when handling many input files.
161 :    
162 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
163 :    
164 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
165 :     mechanism.
166 :    
167 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
168 :     ReutNews.rda
169 :    
170 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
171 :    
172 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
173 :    
174 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
175 :    
176 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
177 :     clustering facilities of this package.
178 :    
179 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
180 :    
181 :     * R/aobjects.R: Changed package document structure to avoid class
182 :     dependency problems.
183 :    
184 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
185 :    
186 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
187 :     data set.
188 :    
189 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
190 :     CMD check textmin" works without errors.
191 :    
192 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
193 :    
194 :     * src/: Various splits can now be easily created for the
195 :     Reuters21578 data set.
196 :    
197 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
198 :    
199 :     * Updated documentation
200 :    
201 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 :     * Wrote R documentation for some classes and methods.
204 :    
205 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
206 :    
207 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
208 :     files. See the questionnaire data/Umfrage.csv for such an example.
209 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
210 : feinerer 22
211 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
212 :     matrix is now possible.
213 :    
214 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * R/textdoccol.R: One can build term-document matrices if
217 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
218 :     document collection with it.
219 :    
220 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
221 :    
222 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
223 :    
224 :     * R/textdoccol.R: We now can read in a whole XML file with several
225 :     news items.
226 :    
227 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
228 :    
229 :     * R/textdoccol.R: Set up an S4 class for a collection of text
230 :     documents. A first attempt to read in XML input (like the RCV1
231 :     set) was made.
232 :    
233 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
234 :     some accessor functions.
235 :    
236 :     * data/newsitem.xml: Added this XML file for testing purposes. It
237 :     contains a single news item from the Reuters Corpus Volume 1
238 :     (RCV1) XML set.
239 :    
240 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
241 :    
242 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
243 :     textmatrix as k-means clustering provided by R (kmeans) now works on
244 :     this textmatrix. The result is a k-means text clustering with a
245 :     similarity measure based upon word frequences.
246 :    
247 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
248 :    
249 :     * R/textmatrix.R: Adapted the preprocessing code from the R
250 :     package "lsa" written by Fridolin Wild to build a document text matrix.
251 :    
252 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
253 :    
254 :     * Set up the R Text Mining Package infrastructure.

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