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

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