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Annotation of /trunk/tm/ChangeLog

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Revision 702 - (view) (download)

1 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
4 :     wordStem.
5 :    
6 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
7 :    
8 :     * R/: Changes due to Kurt's review.
9 :    
10 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
11 :    
12 :     * R/: Implemented improvements based upon comments by David
13 :     Meyer.
14 :    
15 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
16 :    
17 :     * inst/doc/: Rewrote vignette.
18 :    
19 :     * man/: Improved documentation.
20 :    
21 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
22 :    
23 :     * man/: Updated documentation.
24 :    
25 :     * DESCRIPTION: Changed package name to "tm". Updated version to
26 :     0.1 for first CRAN release.
27 :    
28 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
29 :     list archive example.
30 :    
31 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
32 :     archive example.
33 :    
34 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
35 :     from (several mails per box) mbox format to (single mail per file)
36 :     eml format.
37 :    
38 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
39 :    
40 :     * data/crude.rda: Rebuilt.
41 :    
42 :     * data/acq.rda: Rebuilt.
43 :    
44 :     * R/reader.R: Factored out reader and parser methods from
45 :     textdoccol.R.
46 :    
47 :     * R/source.R: Factored out Source methods from aobjects.R and
48 :     textdoccol.R.
49 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
50 :     feeds.
51 :    
52 :     * R/textdoccol.R (DirSource): Added support for recursive
53 :     traversal of directories.
54 :    
55 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
56 :    
57 :     * R/textdoccol.R ([[): Loads the document corpus automatically
58 :     into memory upon access.
59 :     (tm_transform, tm_filter): Removed several checks whether the
60 :     document is already loaded ([[ ensures this now).
61 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
62 :     mailing list archive.
63 :    
64 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
65 :    
66 :     * R/aobjects.R (TextDocument): Is now a virtual class.
67 :     (Source): Is now a virtual class.
68 :    
69 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
70 :    
71 :     * R/textdoccol.R (c): Support for an arbitrary number of document
72 :     collections.
73 :    
74 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
75 :    
76 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
77 :     append_meta and remove_meta.
78 :    
79 :     * R/textdoccol.R: Removed modify_metadata method.
80 :    
81 :     * R/textrepo.R: Removed modify_metadata method.
82 :    
83 :     * R/textdoccol.R (remove_meta): Supports removal of document
84 :     collection metadata and document (= in data frame) metadata.
85 :    
86 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
87 :    
88 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
89 :    
90 :     * data/crude.rda: Rebuilt.
91 :    
92 :     * data/acq.rda: Rebuilt.
93 :    
94 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
95 :    
96 :     * R/textdoccol.R ([): Bug fix for subsetting a document
97 :     collection's data frame.
98 :    
99 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
100 :    
101 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
102 :     to s_filter.
103 :    
104 :     * R/textdoccol.R: Local text documents' metadata can now be copied
105 :     to a document collection's data frame with prescind_meta.
106 :    
107 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
108 :    
109 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
110 :    
111 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
112 :    
113 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
114 :    
115 :     * R/: Various fixes in handling metadata.
116 :    
117 :     * R/: Added update mechanism for text document collections.
118 :    
119 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
120 :    
121 :     * R/: Merging of document collections now creates a binary tree
122 :     for reconstructing merged document collections.
123 :    
124 :     * R/: Redesign of metadata for document collections.
125 :    
126 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
127 :    
128 :     * R/: Messages now use \code{ngettext}.
129 :    
130 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
131 :    
132 :     * R/: Added functions for modifying and removing metadata.
133 :    
134 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
135 :    
136 :     * man/: Updated some documentation.
137 :    
138 :     * R/: Corrected some connection issues.
139 :    
140 :     * inst/doc: Worked on the vignette.
141 :    
142 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
143 :    
144 : feinerer 66 * inst/: Added texts and started vignette.
145 :    
146 : feinerer 65 * R/: Final changes based upon David's comments.
147 :    
148 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
149 :    
150 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
151 :     directives!).
152 :    
153 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
154 :    
155 :     * R/: Modified the TextDocCol constructur and various parsers. It
156 :     is now modular and supports various file formats via plugins (see
157 :     the new "Source" class).
158 :    
159 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
160 :    
161 :     * man/: Revised documentation after previous code changes.
162 :    
163 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
164 :    
165 :     * R/: Remaining changes as discussed with David.
166 :    
167 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
168 :    
169 :     * R/: Some changes as suggested by David. The rest will follow
170 :     within the next days.
171 :    
172 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
173 :    
174 :     * man/: Finished documentation.
175 :    
176 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
177 :    
178 :     * man/: Wrote some documentation.
179 :    
180 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
181 :    
182 :     * R/: Further syntactic sugar in form of additional assignment and
183 :     accessor methods.
184 :    
185 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
186 :    
187 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
188 : feinerer 56 operators.
189 : feinerer 54
190 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
191 :    
192 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
193 :     and dissimilarities.
194 :    
195 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
196 :    
197 :     * R/: Added similarity functions.
198 :    
199 :     * data/: Added english stopwords.
200 :    
201 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 : feinerer 51 * data/: Examples compiled for new features
204 :    
205 :     * R/: Changes due to new structure.
206 :    
207 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
208 :    
209 :     * R/termdocmatrix.R: Adapted for new naming scheme.
210 :    
211 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
212 :    
213 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
214 :     several transform and filter functions operating on text document
215 :     collections (alias text document databases).
216 :    
217 :     * R/aobjects.R: Adapted class structure with inheritance,
218 :     repositories and additional meta data. Loading files on demand is
219 :     now possible.
220 :    
221 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
222 :    
223 :     * R/: Some cosmetic cleanups.
224 :    
225 :     * inst/: Removed vignette on clustering. That and much more is now
226 :     described in the JSS paper on text mining. Based upon that
227 :     article an elaborated vignette will be incorporated in the future.
228 :    
229 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
230 :    
231 :     * R/: Updated generic S4 methods to comply with signature changes
232 :     in newer versions of R (> 2.3)
233 :    
234 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
235 :    
236 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
237 :    
238 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
239 :    
240 :     * R/textdoccol.R: Added RIS HTML input format.
241 :    
242 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
243 :    
244 :     * R/textdoccol.R: Removed bug that caused invalid text document
245 :     collections when handling many input files.
246 :    
247 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
248 :    
249 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
250 :     mechanism.
251 :    
252 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
253 :     ReutNews.rda
254 :    
255 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
256 :    
257 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
258 :    
259 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
260 :    
261 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
262 :     clustering facilities of this package.
263 :    
264 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
265 :    
266 :     * R/aobjects.R: Changed package document structure to avoid class
267 :     dependency problems.
268 :    
269 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
270 :    
271 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
272 :     data set.
273 :    
274 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
275 :     CMD check textmin" works without errors.
276 :    
277 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
278 :    
279 :     * src/: Various splits can now be easily created for the
280 :     Reuters21578 data set.
281 :    
282 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
283 :    
284 :     * Updated documentation
285 :    
286 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
287 :    
288 :     * Wrote R documentation for some classes and methods.
289 :    
290 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
291 :    
292 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
293 :     files. See the questionnaire data/Umfrage.csv for such an example.
294 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
295 : feinerer 22
296 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
297 :     matrix is now possible.
298 :    
299 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
300 :    
301 :     * R/textdoccol.R: One can build term-document matrices if
302 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
303 :     document collection with it.
304 :    
305 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
306 :    
307 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
308 :    
309 :     * R/textdoccol.R: We now can read in a whole XML file with several
310 :     news items.
311 :    
312 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
313 :    
314 :     * R/textdoccol.R: Set up an S4 class for a collection of text
315 :     documents. A first attempt to read in XML input (like the RCV1
316 :     set) was made.
317 :    
318 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
319 :     some accessor functions.
320 :    
321 :     * data/newsitem.xml: Added this XML file for testing purposes. It
322 :     contains a single news item from the Reuters Corpus Volume 1
323 :     (RCV1) XML set.
324 :    
325 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
326 :    
327 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
328 :     textmatrix as k-means clustering provided by R (kmeans) now works on
329 :     this textmatrix. The result is a k-means text clustering with a
330 :     similarity measure based upon word frequences.
331 :    
332 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
333 :    
334 :     * R/textmatrix.R: Adapted the preprocessing code from the R
335 :     package "lsa" written by Fridolin Wild to build a document text matrix.
336 :    
337 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
338 :    
339 :     * Set up the R Text Mining Package infrastructure.

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