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Annotation of /trunk/tm/ChangeLog

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Revision 789 - (view) (download)

1 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
4 :    
5 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
6 :    
7 :     * R/weight.R: Weighting functions for TermDocMatrix.
8 :    
9 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
10 :    
11 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
12 :     functions for accessing dimension, column, and row names.
13 :    
14 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
15 :    
16 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
17 :    
18 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
19 :    
20 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
21 :    
22 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
23 :    
24 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
25 :    
26 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
27 :     pdfinfo. The system call gives a warning anyway.
28 :    
29 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
30 :    
31 :     * R/textdoccol.R (asPlain): Conversion from
32 :     StructuredTextDocuments to PlainTextDocuments.
33 :    
34 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
35 :    
36 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
37 :     for accessing term-document matrices.
38 :    
39 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
40 :     are installed.
41 :    
42 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
43 :    
44 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
45 :     Christian Buchta.
46 :    
47 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
48 :    
49 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
50 :    
51 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
52 :    
53 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
54 :    
55 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
56 :    
57 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
58 :    
59 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
60 :    
61 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
62 :    
63 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
64 :    
65 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
66 :    
67 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
68 :    
69 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
70 :     package cba by new dist call from package proxy.
71 :    
72 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
73 :    
74 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
75 :    
76 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
77 :    
78 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
79 :     loading messages.
80 :    
81 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
82 :    
83 :     * R/dictionary.R: Added dictionary support.
84 :    
85 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
86 :    
87 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
88 :     documents. This simplifies some functions, e.g., asPlain.
89 :    
90 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
91 :    
92 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
93 :    
94 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
95 :    
96 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
97 :     words by a single word. Useful for synonyms.
98 :    
99 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
100 :    
101 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
102 :    
103 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
104 :    
105 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
106 :     vectors. Thanks to Ariel Maguyon for his error report.
107 :     (removeSparseTerms): New function to remove columns from a
108 :     term-document matrix exceeding a sparse factor.
109 :    
110 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
111 :    
112 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
113 :    
114 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
115 :    
116 :     * man/sFilter.Rd: Corrected documentation on statement format (use
117 :     '==' instead of '=').
118 :    
119 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
120 :    
121 :     * R/aobjects.R (StructuredTextDocument): Inherits from
122 :     TextDocument.
123 :    
124 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
125 :    
126 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
127 :     on sparse matrices as proposed by Martin Maechler.
128 :    
129 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
130 :    
131 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
132 :     \pkg{filehash} version makes them deprecated.
133 :    
134 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
135 :    
136 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
137 :     erasing stopwords.
138 :     (weightMatrix): Adapted to handle sparse matrices.
139 :     (TermDocMatrix): Sparse matrix is now efficiently built by
140 :     direct stepwise insertion of row values into it.
141 :    
142 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
143 :    
144 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
145 :     due to ongoing problems. For our purposes the latter is as useful
146 :     as the replaced package.
147 :    
148 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
149 :    
150 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
151 :    
152 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
153 :    
154 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
155 :    
156 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
157 :     languages with available stopwords.
158 :    
159 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
160 :    
161 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
162 :    
163 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
164 :    
165 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
166 :     have been integrated.
167 : feinerer 731
168 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
169 :     for various other languages.
170 :    
171 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
172 :    
173 : feinerer 730 * man/: Updated documentation.
174 :    
175 : feinerer 729 * Work/testDb.R: Script to test database stuff.
176 :    
177 :     * R/: Fixed various database related bugs. Seems to be rather
178 :     useable now, i.e., consider as alpha status for now.
179 :    
180 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
181 :    
182 :     * R/: Fixed some bugs related to database support.
183 :    
184 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
185 :    
186 :     * man/: Added a lot of examples to the manuals.
187 :    
188 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
189 :    
190 :     * man/: Updated parts of the documentation.
191 :    
192 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
193 :     documents to plain text documents.
194 :    
195 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
196 :    
197 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
198 :     intensively tested.
199 :    
200 : feinerer 723 * R/source.R: Now each source has a default reader.
201 :    
202 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
203 :     class anymore.
204 :    
205 :     * R/plaintextdoc.R: Custom show method for plain text documents.
206 :    
207 :     * R/aobjects.R: Added a class for structured text documents.
208 :    
209 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
210 :     \code{reader}.
211 :    
212 :     * R/textdoccol.R (summary): Indent tags.
213 :    
214 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
215 : feinerer 722 punctuation marks.
216 :    
217 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
218 :    
219 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
220 :     using prescindMeta().
221 :    
222 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
223 :    
224 :     * R/textdoccol.R: Improved database support.
225 :    
226 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
227 :    
228 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
229 :    
230 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
231 :     language code.
232 :    
233 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
234 :     into parserControl argument.
235 :    
236 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
237 :    
238 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
239 :    
240 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
241 :     created on the fly.
242 :    
243 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
244 :     a given language (English, German and French at the moment)
245 :    
246 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
247 :     otherwise falls back to Snowball package.
248 :    
249 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
250 :    
251 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
252 :     by "dists" from package "cba" can be used.
253 :    
254 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
255 :    
256 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
257 :     to Kurt's latex suggestion. Removed points and underscores in
258 :     variable names for consistent naming.
259 :    
260 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
261 :    
262 :     * man/TextRepository.Rd: Fixed bug in documentation.
263 :    
264 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
265 :    
266 :     * DESCRIPTION: Update to version 0.1-1.
267 :    
268 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
269 :    
270 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
271 :     wordStem.
272 :    
273 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
274 :    
275 :     * R/: Changes due to Kurt's review.
276 :    
277 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
278 :    
279 :     * R/: Implemented improvements based upon comments by David
280 :     Meyer.
281 :    
282 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
283 :    
284 :     * inst/doc/: Rewrote vignette.
285 :    
286 :     * man/: Improved documentation.
287 :    
288 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
289 :    
290 :     * man/: Updated documentation.
291 :    
292 :     * DESCRIPTION: Changed package name to "tm". Updated version to
293 :     0.1 for first CRAN release.
294 :    
295 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
296 :     list archive example.
297 :    
298 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
299 :     archive example.
300 :    
301 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
302 :     from (several mails per box) mbox format to (single mail per file)
303 :     eml format.
304 :    
305 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
306 :    
307 :     * data/crude.rda: Rebuilt.
308 :    
309 :     * data/acq.rda: Rebuilt.
310 :    
311 :     * R/reader.R: Factored out reader and parser methods from
312 :     textdoccol.R.
313 :    
314 :     * R/source.R: Factored out Source methods from aobjects.R and
315 :     textdoccol.R.
316 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
317 :     feeds.
318 :    
319 :     * R/textdoccol.R (DirSource): Added support for recursive
320 :     traversal of directories.
321 :    
322 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
323 :    
324 :     * R/textdoccol.R ([[): Loads the document corpus automatically
325 :     into memory upon access.
326 :     (tm_transform, tm_filter): Removed several checks whether the
327 :     document is already loaded ([[ ensures this now).
328 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
329 :     mailing list archive.
330 :    
331 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
332 :    
333 :     * R/aobjects.R (TextDocument): Is now a virtual class.
334 :     (Source): Is now a virtual class.
335 :    
336 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
337 :    
338 :     * R/textdoccol.R (c): Support for an arbitrary number of document
339 :     collections.
340 :    
341 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
342 :    
343 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
344 :     append_meta and remove_meta.
345 :    
346 :     * R/textdoccol.R: Removed modify_metadata method.
347 :    
348 :     * R/textrepo.R: Removed modify_metadata method.
349 :    
350 :     * R/textdoccol.R (remove_meta): Supports removal of document
351 :     collection metadata and document (= in data frame) metadata.
352 :    
353 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
354 :    
355 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
356 :    
357 :     * data/crude.rda: Rebuilt.
358 :    
359 :     * data/acq.rda: Rebuilt.
360 :    
361 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
362 :    
363 :     * R/textdoccol.R ([): Bug fix for subsetting a document
364 :     collection's data frame.
365 :    
366 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
367 :    
368 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
369 :     to s_filter.
370 :    
371 :     * R/textdoccol.R: Local text documents' metadata can now be copied
372 :     to a document collection's data frame with prescind_meta.
373 :    
374 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
375 :    
376 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
377 :    
378 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
379 :    
380 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
381 :    
382 :     * R/: Various fixes in handling metadata.
383 :    
384 :     * R/: Added update mechanism for text document collections.
385 :    
386 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
387 :    
388 :     * R/: Merging of document collections now creates a binary tree
389 :     for reconstructing merged document collections.
390 :    
391 :     * R/: Redesign of metadata for document collections.
392 :    
393 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
394 :    
395 :     * R/: Messages now use \code{ngettext}.
396 :    
397 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
398 :    
399 :     * R/: Added functions for modifying and removing metadata.
400 :    
401 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
402 :    
403 :     * man/: Updated some documentation.
404 :    
405 :     * R/: Corrected some connection issues.
406 :    
407 :     * inst/doc: Worked on the vignette.
408 :    
409 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
410 :    
411 : feinerer 66 * inst/: Added texts and started vignette.
412 :    
413 : feinerer 65 * R/: Final changes based upon David's comments.
414 :    
415 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
416 :    
417 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
418 :     directives!).
419 :    
420 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
421 :    
422 :     * R/: Modified the TextDocCol constructur and various parsers. It
423 :     is now modular and supports various file formats via plugins (see
424 :     the new "Source" class).
425 :    
426 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
427 :    
428 :     * man/: Revised documentation after previous code changes.
429 :    
430 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
431 :    
432 :     * R/: Remaining changes as discussed with David.
433 :    
434 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
435 :    
436 :     * R/: Some changes as suggested by David. The rest will follow
437 :     within the next days.
438 :    
439 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
440 :    
441 :     * man/: Finished documentation.
442 :    
443 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
444 :    
445 :     * man/: Wrote some documentation.
446 :    
447 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
448 :    
449 :     * R/: Further syntactic sugar in form of additional assignment and
450 :     accessor methods.
451 :    
452 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
453 :    
454 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
455 : feinerer 56 operators.
456 : feinerer 54
457 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
458 :    
459 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
460 :     and dissimilarities.
461 :    
462 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
463 :    
464 :     * R/: Added similarity functions.
465 :    
466 :     * data/: Added english stopwords.
467 :    
468 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
469 :    
470 : feinerer 51 * data/: Examples compiled for new features
471 :    
472 :     * R/: Changes due to new structure.
473 :    
474 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
475 :    
476 :     * R/termdocmatrix.R: Adapted for new naming scheme.
477 :    
478 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
479 :    
480 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
481 :     several transform and filter functions operating on text document
482 :     collections (alias text document databases).
483 :    
484 :     * R/aobjects.R: Adapted class structure with inheritance,
485 :     repositories and additional meta data. Loading files on demand is
486 :     now possible.
487 :    
488 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
489 :    
490 :     * R/: Some cosmetic cleanups.
491 :    
492 :     * inst/: Removed vignette on clustering. That and much more is now
493 :     described in the JSS paper on text mining. Based upon that
494 :     article an elaborated vignette will be incorporated in the future.
495 :    
496 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
497 :    
498 :     * R/: Updated generic S4 methods to comply with signature changes
499 :     in newer versions of R (> 2.3)
500 :    
501 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
502 :    
503 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
504 :    
505 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
506 :    
507 :     * R/textdoccol.R: Added RIS HTML input format.
508 :    
509 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
510 :    
511 :     * R/textdoccol.R: Removed bug that caused invalid text document
512 :     collections when handling many input files.
513 :    
514 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
515 :    
516 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
517 :     mechanism.
518 :    
519 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
520 :     ReutNews.rda
521 :    
522 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
523 :    
524 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
525 :    
526 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
527 :    
528 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
529 :     clustering facilities of this package.
530 :    
531 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
532 :    
533 :     * R/aobjects.R: Changed package document structure to avoid class
534 :     dependency problems.
535 :    
536 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
537 :    
538 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
539 :     data set.
540 :    
541 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
542 :     CMD check textmin" works without errors.
543 :    
544 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
545 :    
546 :     * src/: Various splits can now be easily created for the
547 :     Reuters21578 data set.
548 :    
549 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
550 :    
551 :     * Updated documentation
552 :    
553 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
554 :    
555 :     * Wrote R documentation for some classes and methods.
556 :    
557 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
558 :    
559 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
560 :     files. See the questionnaire data/Umfrage.csv for such an example.
561 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
562 : feinerer 22
563 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
564 :     matrix is now possible.
565 :    
566 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
567 :    
568 :     * R/textdoccol.R: One can build term-document matrices if
569 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
570 :     document collection with it.
571 :    
572 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
573 :    
574 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
575 :    
576 :     * R/textdoccol.R: We now can read in a whole XML file with several
577 :     news items.
578 :    
579 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
580 :    
581 :     * R/textdoccol.R: Set up an S4 class for a collection of text
582 :     documents. A first attempt to read in XML input (like the RCV1
583 :     set) was made.
584 :    
585 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
586 :     some accessor functions.
587 :    
588 :     * data/newsitem.xml: Added this XML file for testing purposes. It
589 :     contains a single news item from the Reuters Corpus Volume 1
590 :     (RCV1) XML set.
591 :    
592 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
593 :    
594 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
595 :     textmatrix as k-means clustering provided by R (kmeans) now works on
596 :     this textmatrix. The result is a k-means text clustering with a
597 :     similarity measure based upon word frequences.
598 :    
599 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
600 :    
601 :     * R/textmatrix.R: Adapted the preprocessing code from the R
602 :     package "lsa" written by Fridolin Wild to build a document text matrix.
603 :    
604 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
605 :    
606 :     * Set up the R Text Mining Package infrastructure.

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