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Annotation of /trunk/tm/ChangeLog

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1 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/textdoccol.R: Improved database support.
4 :    
5 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
8 :    
9 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
10 :     language code.
11 :    
12 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
13 :     into parserControl argument.
14 :    
15 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
16 :    
17 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
18 :    
19 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
20 :     created on the fly.
21 :    
22 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
23 :     a given language (English, German and French at the moment)
24 :    
25 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
26 :     otherwise falls back to Snowball package.
27 :    
28 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
31 :     by "dists" from package "cba" can be used.
32 :    
33 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
34 :    
35 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
36 :     to Kurt's latex suggestion. Removed points and underscores in
37 :     variable names for consistent naming.
38 :    
39 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
40 :    
41 :     * man/TextRepository.Rd: Fixed bug in documentation.
42 :    
43 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
44 :    
45 :     * DESCRIPTION: Update to version 0.1-1.
46 :    
47 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
48 :    
49 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
50 :     wordStem.
51 :    
52 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
53 :    
54 :     * R/: Changes due to Kurt's review.
55 :    
56 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
57 :    
58 :     * R/: Implemented improvements based upon comments by David
59 :     Meyer.
60 :    
61 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
62 :    
63 :     * inst/doc/: Rewrote vignette.
64 :    
65 :     * man/: Improved documentation.
66 :    
67 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
68 :    
69 :     * man/: Updated documentation.
70 :    
71 :     * DESCRIPTION: Changed package name to "tm". Updated version to
72 :     0.1 for first CRAN release.
73 :    
74 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
75 :     list archive example.
76 :    
77 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
78 :     archive example.
79 :    
80 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
81 :     from (several mails per box) mbox format to (single mail per file)
82 :     eml format.
83 :    
84 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
85 :    
86 :     * data/crude.rda: Rebuilt.
87 :    
88 :     * data/acq.rda: Rebuilt.
89 :    
90 :     * R/reader.R: Factored out reader and parser methods from
91 :     textdoccol.R.
92 :    
93 :     * R/source.R: Factored out Source methods from aobjects.R and
94 :     textdoccol.R.
95 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
96 :     feeds.
97 :    
98 :     * R/textdoccol.R (DirSource): Added support for recursive
99 :     traversal of directories.
100 :    
101 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
102 :    
103 :     * R/textdoccol.R ([[): Loads the document corpus automatically
104 :     into memory upon access.
105 :     (tm_transform, tm_filter): Removed several checks whether the
106 :     document is already loaded ([[ ensures this now).
107 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
108 :     mailing list archive.
109 :    
110 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
111 :    
112 :     * R/aobjects.R (TextDocument): Is now a virtual class.
113 :     (Source): Is now a virtual class.
114 :    
115 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
116 :    
117 :     * R/textdoccol.R (c): Support for an arbitrary number of document
118 :     collections.
119 :    
120 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
121 :    
122 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
123 :     append_meta and remove_meta.
124 :    
125 :     * R/textdoccol.R: Removed modify_metadata method.
126 :    
127 :     * R/textrepo.R: Removed modify_metadata method.
128 :    
129 :     * R/textdoccol.R (remove_meta): Supports removal of document
130 :     collection metadata and document (= in data frame) metadata.
131 :    
132 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
133 :    
134 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
135 :    
136 :     * data/crude.rda: Rebuilt.
137 :    
138 :     * data/acq.rda: Rebuilt.
139 :    
140 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
141 :    
142 :     * R/textdoccol.R ([): Bug fix for subsetting a document
143 :     collection's data frame.
144 :    
145 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
146 :    
147 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
148 :     to s_filter.
149 :    
150 :     * R/textdoccol.R: Local text documents' metadata can now be copied
151 :     to a document collection's data frame with prescind_meta.
152 :    
153 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
154 :    
155 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
156 :    
157 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
158 :    
159 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
160 :    
161 :     * R/: Various fixes in handling metadata.
162 :    
163 :     * R/: Added update mechanism for text document collections.
164 :    
165 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
166 :    
167 :     * R/: Merging of document collections now creates a binary tree
168 :     for reconstructing merged document collections.
169 :    
170 :     * R/: Redesign of metadata for document collections.
171 :    
172 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
173 :    
174 :     * R/: Messages now use \code{ngettext}.
175 :    
176 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
177 :    
178 :     * R/: Added functions for modifying and removing metadata.
179 :    
180 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
181 :    
182 :     * man/: Updated some documentation.
183 :    
184 :     * R/: Corrected some connection issues.
185 :    
186 :     * inst/doc: Worked on the vignette.
187 :    
188 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
189 :    
190 : feinerer 66 * inst/: Added texts and started vignette.
191 :    
192 : feinerer 65 * R/: Final changes based upon David's comments.
193 :    
194 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
195 :    
196 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
197 :     directives!).
198 :    
199 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
200 :    
201 :     * R/: Modified the TextDocCol constructur and various parsers. It
202 :     is now modular and supports various file formats via plugins (see
203 :     the new "Source" class).
204 :    
205 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
206 :    
207 :     * man/: Revised documentation after previous code changes.
208 :    
209 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
210 :    
211 :     * R/: Remaining changes as discussed with David.
212 :    
213 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
214 :    
215 :     * R/: Some changes as suggested by David. The rest will follow
216 :     within the next days.
217 :    
218 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
219 :    
220 :     * man/: Finished documentation.
221 :    
222 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
223 :    
224 :     * man/: Wrote some documentation.
225 :    
226 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
227 :    
228 :     * R/: Further syntactic sugar in form of additional assignment and
229 :     accessor methods.
230 :    
231 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
232 :    
233 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
234 : feinerer 56 operators.
235 : feinerer 54
236 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
237 :    
238 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
239 :     and dissimilarities.
240 :    
241 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
242 :    
243 :     * R/: Added similarity functions.
244 :    
245 :     * data/: Added english stopwords.
246 :    
247 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
248 :    
249 : feinerer 51 * data/: Examples compiled for new features
250 :    
251 :     * R/: Changes due to new structure.
252 :    
253 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
254 :    
255 :     * R/termdocmatrix.R: Adapted for new naming scheme.
256 :    
257 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
258 :    
259 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
260 :     several transform and filter functions operating on text document
261 :     collections (alias text document databases).
262 :    
263 :     * R/aobjects.R: Adapted class structure with inheritance,
264 :     repositories and additional meta data. Loading files on demand is
265 :     now possible.
266 :    
267 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
268 :    
269 :     * R/: Some cosmetic cleanups.
270 :    
271 :     * inst/: Removed vignette on clustering. That and much more is now
272 :     described in the JSS paper on text mining. Based upon that
273 :     article an elaborated vignette will be incorporated in the future.
274 :    
275 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
276 :    
277 :     * R/: Updated generic S4 methods to comply with signature changes
278 :     in newer versions of R (> 2.3)
279 :    
280 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
281 :    
282 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
283 :    
284 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
285 :    
286 :     * R/textdoccol.R: Added RIS HTML input format.
287 :    
288 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
289 :    
290 :     * R/textdoccol.R: Removed bug that caused invalid text document
291 :     collections when handling many input files.
292 :    
293 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
294 :    
295 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
296 :     mechanism.
297 :    
298 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
299 :     ReutNews.rda
300 :    
301 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
302 :    
303 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
304 :    
305 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
306 :    
307 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
308 :     clustering facilities of this package.
309 :    
310 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
311 :    
312 :     * R/aobjects.R: Changed package document structure to avoid class
313 :     dependency problems.
314 :    
315 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
316 :    
317 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
318 :     data set.
319 :    
320 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
321 :     CMD check textmin" works without errors.
322 :    
323 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
324 :    
325 :     * src/: Various splits can now be easily created for the
326 :     Reuters21578 data set.
327 :    
328 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
329 :    
330 :     * Updated documentation
331 :    
332 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
333 :    
334 :     * Wrote R documentation for some classes and methods.
335 :    
336 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
337 :    
338 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
339 :     files. See the questionnaire data/Umfrage.csv for such an example.
340 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
341 : feinerer 22
342 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
343 :     matrix is now possible.
344 :    
345 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
346 :    
347 :     * R/textdoccol.R: One can build term-document matrices if
348 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
349 :     document collection with it.
350 :    
351 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
352 :    
353 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
354 :    
355 :     * R/textdoccol.R: We now can read in a whole XML file with several
356 :     news items.
357 :    
358 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
359 :    
360 :     * R/textdoccol.R: Set up an S4 class for a collection of text
361 :     documents. A first attempt to read in XML input (like the RCV1
362 :     set) was made.
363 :    
364 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
365 :     some accessor functions.
366 :    
367 :     * data/newsitem.xml: Added this XML file for testing purposes. It
368 :     contains a single news item from the Reuters Corpus Volume 1
369 :     (RCV1) XML set.
370 :    
371 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
372 :    
373 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
374 :     textmatrix as k-means clustering provided by R (kmeans) now works on
375 :     this textmatrix. The result is a k-means text clustering with a
376 :     similarity measure based upon word frequences.
377 :    
378 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
379 :    
380 :     * R/textmatrix.R: Adapted the preprocessing code from the R
381 :     package "lsa" written by Fridolin Wild to build a document text matrix.
382 :    
383 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
384 :    
385 :     * Set up the R Text Mining Package infrastructure.

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