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1 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * man/: Added a lot of examples to the manuals.
4 :    
5 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 :     * man/: Updated parts of the documentation.
8 :    
9 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
10 :     documents to plain text documents.
11 :    
12 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
13 :    
14 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
15 :     intensively tested.
16 :    
17 : feinerer 723 * R/source.R: Now each source has a default reader.
18 :    
19 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
20 :     class anymore.
21 :    
22 :     * R/plaintextdoc.R: Custom show method for plain text documents.
23 :    
24 :     * R/aobjects.R: Added a class for structured text documents.
25 :    
26 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
27 :     \code{reader}.
28 :    
29 :     * R/textdoccol.R (summary): Indent tags.
30 :    
31 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
32 : feinerer 722 punctuation marks.
33 :    
34 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
35 :    
36 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
37 :     using prescindMeta().
38 :    
39 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
40 :    
41 :     * R/textdoccol.R: Improved database support.
42 :    
43 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
44 :    
45 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
46 :    
47 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
48 :     language code.
49 :    
50 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
51 :     into parserControl argument.
52 :    
53 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
54 :    
55 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
56 :    
57 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
58 :     created on the fly.
59 :    
60 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
61 :     a given language (English, German and French at the moment)
62 :    
63 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
64 :     otherwise falls back to Snowball package.
65 :    
66 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
67 :    
68 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
69 :     by "dists" from package "cba" can be used.
70 :    
71 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
72 :    
73 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
74 :     to Kurt's latex suggestion. Removed points and underscores in
75 :     variable names for consistent naming.
76 :    
77 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
78 :    
79 :     * man/TextRepository.Rd: Fixed bug in documentation.
80 :    
81 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
82 :    
83 :     * DESCRIPTION: Update to version 0.1-1.
84 :    
85 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
86 :    
87 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
88 :     wordStem.
89 :    
90 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
91 :    
92 :     * R/: Changes due to Kurt's review.
93 :    
94 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
95 :    
96 :     * R/: Implemented improvements based upon comments by David
97 :     Meyer.
98 :    
99 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
100 :    
101 :     * inst/doc/: Rewrote vignette.
102 :    
103 :     * man/: Improved documentation.
104 :    
105 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
106 :    
107 :     * man/: Updated documentation.
108 :    
109 :     * DESCRIPTION: Changed package name to "tm". Updated version to
110 :     0.1 for first CRAN release.
111 :    
112 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
113 :     list archive example.
114 :    
115 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
116 :     archive example.
117 :    
118 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
119 :     from (several mails per box) mbox format to (single mail per file)
120 :     eml format.
121 :    
122 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
123 :    
124 :     * data/crude.rda: Rebuilt.
125 :    
126 :     * data/acq.rda: Rebuilt.
127 :    
128 :     * R/reader.R: Factored out reader and parser methods from
129 :     textdoccol.R.
130 :    
131 :     * R/source.R: Factored out Source methods from aobjects.R and
132 :     textdoccol.R.
133 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
134 :     feeds.
135 :    
136 :     * R/textdoccol.R (DirSource): Added support for recursive
137 :     traversal of directories.
138 :    
139 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
140 :    
141 :     * R/textdoccol.R ([[): Loads the document corpus automatically
142 :     into memory upon access.
143 :     (tm_transform, tm_filter): Removed several checks whether the
144 :     document is already loaded ([[ ensures this now).
145 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
146 :     mailing list archive.
147 :    
148 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
149 :    
150 :     * R/aobjects.R (TextDocument): Is now a virtual class.
151 :     (Source): Is now a virtual class.
152 :    
153 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
154 :    
155 :     * R/textdoccol.R (c): Support for an arbitrary number of document
156 :     collections.
157 :    
158 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
159 :    
160 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
161 :     append_meta and remove_meta.
162 :    
163 :     * R/textdoccol.R: Removed modify_metadata method.
164 :    
165 :     * R/textrepo.R: Removed modify_metadata method.
166 :    
167 :     * R/textdoccol.R (remove_meta): Supports removal of document
168 :     collection metadata and document (= in data frame) metadata.
169 :    
170 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
171 :    
172 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
173 :    
174 :     * data/crude.rda: Rebuilt.
175 :    
176 :     * data/acq.rda: Rebuilt.
177 :    
178 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
179 :    
180 :     * R/textdoccol.R ([): Bug fix for subsetting a document
181 :     collection's data frame.
182 :    
183 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
184 :    
185 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
186 :     to s_filter.
187 :    
188 :     * R/textdoccol.R: Local text documents' metadata can now be copied
189 :     to a document collection's data frame with prescind_meta.
190 :    
191 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
192 :    
193 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
194 :    
195 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
196 :    
197 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
198 :    
199 :     * R/: Various fixes in handling metadata.
200 :    
201 :     * R/: Added update mechanism for text document collections.
202 :    
203 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
204 :    
205 :     * R/: Merging of document collections now creates a binary tree
206 :     for reconstructing merged document collections.
207 :    
208 :     * R/: Redesign of metadata for document collections.
209 :    
210 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
211 :    
212 :     * R/: Messages now use \code{ngettext}.
213 :    
214 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * R/: Added functions for modifying and removing metadata.
217 :    
218 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
219 :    
220 :     * man/: Updated some documentation.
221 :    
222 :     * R/: Corrected some connection issues.
223 :    
224 :     * inst/doc: Worked on the vignette.
225 :    
226 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
227 :    
228 : feinerer 66 * inst/: Added texts and started vignette.
229 :    
230 : feinerer 65 * R/: Final changes based upon David's comments.
231 :    
232 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
233 :    
234 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
235 :     directives!).
236 :    
237 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
238 :    
239 :     * R/: Modified the TextDocCol constructur and various parsers. It
240 :     is now modular and supports various file formats via plugins (see
241 :     the new "Source" class).
242 :    
243 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
244 :    
245 :     * man/: Revised documentation after previous code changes.
246 :    
247 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
248 :    
249 :     * R/: Remaining changes as discussed with David.
250 :    
251 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
252 :    
253 :     * R/: Some changes as suggested by David. The rest will follow
254 :     within the next days.
255 :    
256 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
257 :    
258 :     * man/: Finished documentation.
259 :    
260 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
261 :    
262 :     * man/: Wrote some documentation.
263 :    
264 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
265 :    
266 :     * R/: Further syntactic sugar in form of additional assignment and
267 :     accessor methods.
268 :    
269 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
270 :    
271 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
272 : feinerer 56 operators.
273 : feinerer 54
274 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
275 :    
276 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
277 :     and dissimilarities.
278 :    
279 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
280 :    
281 :     * R/: Added similarity functions.
282 :    
283 :     * data/: Added english stopwords.
284 :    
285 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
286 :    
287 : feinerer 51 * data/: Examples compiled for new features
288 :    
289 :     * R/: Changes due to new structure.
290 :    
291 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
292 :    
293 :     * R/termdocmatrix.R: Adapted for new naming scheme.
294 :    
295 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
296 :    
297 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
298 :     several transform and filter functions operating on text document
299 :     collections (alias text document databases).
300 :    
301 :     * R/aobjects.R: Adapted class structure with inheritance,
302 :     repositories and additional meta data. Loading files on demand is
303 :     now possible.
304 :    
305 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
306 :    
307 :     * R/: Some cosmetic cleanups.
308 :    
309 :     * inst/: Removed vignette on clustering. That and much more is now
310 :     described in the JSS paper on text mining. Based upon that
311 :     article an elaborated vignette will be incorporated in the future.
312 :    
313 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
314 :    
315 :     * R/: Updated generic S4 methods to comply with signature changes
316 :     in newer versions of R (> 2.3)
317 :    
318 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
319 :    
320 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
321 :    
322 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
323 :    
324 :     * R/textdoccol.R: Added RIS HTML input format.
325 :    
326 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
327 :    
328 :     * R/textdoccol.R: Removed bug that caused invalid text document
329 :     collections when handling many input files.
330 :    
331 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
332 :    
333 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
334 :     mechanism.
335 :    
336 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
337 :     ReutNews.rda
338 :    
339 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
340 :    
341 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
342 :    
343 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
344 :    
345 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
346 :     clustering facilities of this package.
347 :    
348 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
349 :    
350 :     * R/aobjects.R: Changed package document structure to avoid class
351 :     dependency problems.
352 :    
353 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
354 :    
355 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
356 :     data set.
357 :    
358 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
359 :     CMD check textmin" works without errors.
360 :    
361 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
362 :    
363 :     * src/: Various splits can now be easily created for the
364 :     Reuters21578 data set.
365 :    
366 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
367 :    
368 :     * Updated documentation
369 :    
370 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
371 :    
372 :     * Wrote R documentation for some classes and methods.
373 :    
374 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
375 :    
376 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
377 :     files. See the questionnaire data/Umfrage.csv for such an example.
378 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
379 : feinerer 22
380 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
381 :     matrix is now possible.
382 :    
383 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
384 :    
385 :     * R/textdoccol.R: One can build term-document matrices if
386 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
387 :     document collection with it.
388 :    
389 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
390 :    
391 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
392 :    
393 :     * R/textdoccol.R: We now can read in a whole XML file with several
394 :     news items.
395 :    
396 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
397 :    
398 :     * R/textdoccol.R: Set up an S4 class for a collection of text
399 :     documents. A first attempt to read in XML input (like the RCV1
400 :     set) was made.
401 :    
402 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
403 :     some accessor functions.
404 :    
405 :     * data/newsitem.xml: Added this XML file for testing purposes. It
406 :     contains a single news item from the Reuters Corpus Volume 1
407 :     (RCV1) XML set.
408 :    
409 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
410 :    
411 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
412 :     textmatrix as k-means clustering provided by R (kmeans) now works on
413 :     this textmatrix. The result is a k-means text clustering with a
414 :     similarity measure based upon word frequences.
415 :    
416 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
417 :    
418 :     * R/textmatrix.R: Adapted the preprocessing code from the R
419 :     package "lsa" written by Fridolin Wild to build a document text matrix.
420 :    
421 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
422 :    
423 :     * Set up the R Text Mining Package infrastructure.

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