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Revision 727 - (view) (download)

1 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/: Fixed some bugs related to database support.
4 :    
5 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 :     * man/: Added a lot of examples to the manuals.
8 :    
9 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
10 :    
11 :     * man/: Updated parts of the documentation.
12 :    
13 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
14 :     documents to plain text documents.
15 :    
16 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
17 :    
18 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
19 :     intensively tested.
20 :    
21 : feinerer 723 * R/source.R: Now each source has a default reader.
22 :    
23 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
24 :     class anymore.
25 :    
26 :     * R/plaintextdoc.R: Custom show method for plain text documents.
27 :    
28 :     * R/aobjects.R: Added a class for structured text documents.
29 :    
30 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
31 :     \code{reader}.
32 :    
33 :     * R/textdoccol.R (summary): Indent tags.
34 :    
35 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
36 : feinerer 722 punctuation marks.
37 :    
38 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
39 :    
40 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
41 :     using prescindMeta().
42 :    
43 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
44 :    
45 :     * R/textdoccol.R: Improved database support.
46 :    
47 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
48 :    
49 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
50 :    
51 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
52 :     language code.
53 :    
54 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
55 :     into parserControl argument.
56 :    
57 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
58 :    
59 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
60 :    
61 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
62 :     created on the fly.
63 :    
64 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
65 :     a given language (English, German and French at the moment)
66 :    
67 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
68 :     otherwise falls back to Snowball package.
69 :    
70 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
71 :    
72 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
73 :     by "dists" from package "cba" can be used.
74 :    
75 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
76 :    
77 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
78 :     to Kurt's latex suggestion. Removed points and underscores in
79 :     variable names for consistent naming.
80 :    
81 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
82 :    
83 :     * man/TextRepository.Rd: Fixed bug in documentation.
84 :    
85 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
86 :    
87 :     * DESCRIPTION: Update to version 0.1-1.
88 :    
89 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
90 :    
91 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
92 :     wordStem.
93 :    
94 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
95 :    
96 :     * R/: Changes due to Kurt's review.
97 :    
98 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
99 :    
100 :     * R/: Implemented improvements based upon comments by David
101 :     Meyer.
102 :    
103 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
104 :    
105 :     * inst/doc/: Rewrote vignette.
106 :    
107 :     * man/: Improved documentation.
108 :    
109 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
110 :    
111 :     * man/: Updated documentation.
112 :    
113 :     * DESCRIPTION: Changed package name to "tm". Updated version to
114 :     0.1 for first CRAN release.
115 :    
116 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
117 :     list archive example.
118 :    
119 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
120 :     archive example.
121 :    
122 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
123 :     from (several mails per box) mbox format to (single mail per file)
124 :     eml format.
125 :    
126 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
127 :    
128 :     * data/crude.rda: Rebuilt.
129 :    
130 :     * data/acq.rda: Rebuilt.
131 :    
132 :     * R/reader.R: Factored out reader and parser methods from
133 :     textdoccol.R.
134 :    
135 :     * R/source.R: Factored out Source methods from aobjects.R and
136 :     textdoccol.R.
137 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
138 :     feeds.
139 :    
140 :     * R/textdoccol.R (DirSource): Added support for recursive
141 :     traversal of directories.
142 :    
143 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
144 :    
145 :     * R/textdoccol.R ([[): Loads the document corpus automatically
146 :     into memory upon access.
147 :     (tm_transform, tm_filter): Removed several checks whether the
148 :     document is already loaded ([[ ensures this now).
149 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
150 :     mailing list archive.
151 :    
152 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
153 :    
154 :     * R/aobjects.R (TextDocument): Is now a virtual class.
155 :     (Source): Is now a virtual class.
156 :    
157 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
158 :    
159 :     * R/textdoccol.R (c): Support for an arbitrary number of document
160 :     collections.
161 :    
162 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
163 :    
164 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
165 :     append_meta and remove_meta.
166 :    
167 :     * R/textdoccol.R: Removed modify_metadata method.
168 :    
169 :     * R/textrepo.R: Removed modify_metadata method.
170 :    
171 :     * R/textdoccol.R (remove_meta): Supports removal of document
172 :     collection metadata and document (= in data frame) metadata.
173 :    
174 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
175 :    
176 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
177 :    
178 :     * data/crude.rda: Rebuilt.
179 :    
180 :     * data/acq.rda: Rebuilt.
181 :    
182 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
183 :    
184 :     * R/textdoccol.R ([): Bug fix for subsetting a document
185 :     collection's data frame.
186 :    
187 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
188 :    
189 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
190 :     to s_filter.
191 :    
192 :     * R/textdoccol.R: Local text documents' metadata can now be copied
193 :     to a document collection's data frame with prescind_meta.
194 :    
195 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
196 :    
197 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
198 :    
199 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
200 :    
201 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 :     * R/: Various fixes in handling metadata.
204 :    
205 :     * R/: Added update mechanism for text document collections.
206 :    
207 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
208 :    
209 :     * R/: Merging of document collections now creates a binary tree
210 :     for reconstructing merged document collections.
211 :    
212 :     * R/: Redesign of metadata for document collections.
213 :    
214 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * R/: Messages now use \code{ngettext}.
217 :    
218 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
219 :    
220 :     * R/: Added functions for modifying and removing metadata.
221 :    
222 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
223 :    
224 :     * man/: Updated some documentation.
225 :    
226 :     * R/: Corrected some connection issues.
227 :    
228 :     * inst/doc: Worked on the vignette.
229 :    
230 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
231 :    
232 : feinerer 66 * inst/: Added texts and started vignette.
233 :    
234 : feinerer 65 * R/: Final changes based upon David's comments.
235 :    
236 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
237 :    
238 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
239 :     directives!).
240 :    
241 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
242 :    
243 :     * R/: Modified the TextDocCol constructur and various parsers. It
244 :     is now modular and supports various file formats via plugins (see
245 :     the new "Source" class).
246 :    
247 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
248 :    
249 :     * man/: Revised documentation after previous code changes.
250 :    
251 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
252 :    
253 :     * R/: Remaining changes as discussed with David.
254 :    
255 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
256 :    
257 :     * R/: Some changes as suggested by David. The rest will follow
258 :     within the next days.
259 :    
260 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
261 :    
262 :     * man/: Finished documentation.
263 :    
264 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
265 :    
266 :     * man/: Wrote some documentation.
267 :    
268 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
269 :    
270 :     * R/: Further syntactic sugar in form of additional assignment and
271 :     accessor methods.
272 :    
273 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
274 :    
275 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
276 : feinerer 56 operators.
277 : feinerer 54
278 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
279 :    
280 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
281 :     and dissimilarities.
282 :    
283 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
284 :    
285 :     * R/: Added similarity functions.
286 :    
287 :     * data/: Added english stopwords.
288 :    
289 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
290 :    
291 : feinerer 51 * data/: Examples compiled for new features
292 :    
293 :     * R/: Changes due to new structure.
294 :    
295 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
296 :    
297 :     * R/termdocmatrix.R: Adapted for new naming scheme.
298 :    
299 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
300 :    
301 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
302 :     several transform and filter functions operating on text document
303 :     collections (alias text document databases).
304 :    
305 :     * R/aobjects.R: Adapted class structure with inheritance,
306 :     repositories and additional meta data. Loading files on demand is
307 :     now possible.
308 :    
309 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
310 :    
311 :     * R/: Some cosmetic cleanups.
312 :    
313 :     * inst/: Removed vignette on clustering. That and much more is now
314 :     described in the JSS paper on text mining. Based upon that
315 :     article an elaborated vignette will be incorporated in the future.
316 :    
317 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
318 :    
319 :     * R/: Updated generic S4 methods to comply with signature changes
320 :     in newer versions of R (> 2.3)
321 :    
322 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
323 :    
324 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
325 :    
326 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
327 :    
328 :     * R/textdoccol.R: Added RIS HTML input format.
329 :    
330 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
331 :    
332 :     * R/textdoccol.R: Removed bug that caused invalid text document
333 :     collections when handling many input files.
334 :    
335 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
336 :    
337 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
338 :     mechanism.
339 :    
340 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
341 :     ReutNews.rda
342 :    
343 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
344 :    
345 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
346 :    
347 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
348 :    
349 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
350 :     clustering facilities of this package.
351 :    
352 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
353 :    
354 :     * R/aobjects.R: Changed package document structure to avoid class
355 :     dependency problems.
356 :    
357 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
358 :    
359 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
360 :     data set.
361 :    
362 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
363 :     CMD check textmin" works without errors.
364 :    
365 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
366 :    
367 :     * src/: Various splits can now be easily created for the
368 :     Reuters21578 data set.
369 :    
370 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
371 :    
372 :     * Updated documentation
373 :    
374 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
375 :    
376 :     * Wrote R documentation for some classes and methods.
377 :    
378 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
379 :    
380 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
381 :     files. See the questionnaire data/Umfrage.csv for such an example.
382 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
383 : feinerer 22
384 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
385 :     matrix is now possible.
386 :    
387 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
388 :    
389 :     * R/textdoccol.R: One can build term-document matrices if
390 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
391 :     document collection with it.
392 :    
393 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
394 :    
395 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
396 :    
397 :     * R/textdoccol.R: We now can read in a whole XML file with several
398 :     news items.
399 :    
400 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
401 :    
402 :     * R/textdoccol.R: Set up an S4 class for a collection of text
403 :     documents. A first attempt to read in XML input (like the RCV1
404 :     set) was made.
405 :    
406 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
407 :     some accessor functions.
408 :    
409 :     * data/newsitem.xml: Added this XML file for testing purposes. It
410 :     contains a single news item from the Reuters Corpus Volume 1
411 :     (RCV1) XML set.
412 :    
413 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
414 :    
415 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
416 :     textmatrix as k-means clustering provided by R (kmeans) now works on
417 :     this textmatrix. The result is a k-means text clustering with a
418 :     similarity measure based upon word frequences.
419 :    
420 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
421 :    
422 :     * R/textmatrix.R: Adapted the preprocessing code from the R
423 :     package "lsa" written by Fridolin Wild to build a document text matrix.
424 :    
425 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
426 :    
427 :     * Set up the R Text Mining Package infrastructure.

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