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trunk/R/textmin/ChangeLog revision 56, Sun Sep 24 14:12:28 2006 UTC trunk/tm/ChangeLog revision 789, Tue Oct 16 11:26:19 2007 UTC
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1    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (readDOC): Added MS Word reader (using antiword).
4    
5    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/weight.R: Weighting functions for TermDocMatrix.
8    
9    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    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
19    
20    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    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    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/textdoccol.R (asPlain): Conversion from
32            StructuredTextDocuments to PlainTextDocuments.
33    
34    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
37            for accessing term-document matrices.
38    
39            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
40            are installed.
41    
42    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    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
50    
51    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
54    
55            * R/reader.R (readPDF): Added PDF reader.
56    
57    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    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    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
75    
76    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    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/dictionary.R: Added dictionary support.
84    
85    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    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * inst/doc/tm.Rnw: Fixed some typos in vignette.
93    
94    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    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
102    
103    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    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
113    
114    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    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/aobjects.R (StructuredTextDocument): Inherits from
122            TextDocument.
123    
124    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    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    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    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    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    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    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * inst/doc/tm.Rnw: Minor corrections in the vignette.
162    
163    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
164    
165            * DESCRIPTION: Update to version 0.2, since a lot of new features
166            have been integrated.
167    
168            * inst/stopwords: Updated existing stopwords and added stopwords
169            for various other languages.
170    
171    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
172    
173            * man/: Updated documentation.
174    
175            * 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    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/: Fixed some bugs related to database support.
183    
184    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * man/: Added a lot of examples to the manuals.
187    
188    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    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * R/textdoccol.R: Finished experimental database support. Not yet
198            intensively tested.
199    
200            * R/source.R: Now each source has a default reader.
201    
202            * 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            * R/textdoccol.R (removePunctuation): Transform method to remove
215            punctuation marks.
216    
217    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    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/textdoccol.R: Improved database support.
225    
226    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
229    
230            * 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    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * Work/tmDataSetup.R: The datasets acq and crude can now be
241            created on the fly.
242    
243            * 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    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    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * 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            * DESCRIPTION: Update to version 0.1-2.
261    
262            * man/TextRepository.Rd: Fixed bug in documentation.
263    
264    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * DESCRIPTION: Update to version 0.1-1.
267    
268    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    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/: Changes due to Kurt's review.
276    
277    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
278    
279            * R/: Implemented improvements based upon comments by David
280            Meyer.
281    
282    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * inst/doc/: Rewrote vignette.
285    
286            * man/: Improved documentation.
287    
288    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    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    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    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    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    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376            * R/: Text documents' slot metadata is now accessible in s_filter.
377    
378            * R/: Rewrote s_filter function (has still some restrictions).
379    
380    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    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    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/: Messages now use \code{ngettext}.
396    
397    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
398    
399            * R/: Added functions for modifying and removing metadata.
400    
401    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    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
410    
411            * inst/: Added texts and started vignette.
412    
413            * R/: Final changes based upon David's comments.
414    
415    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
416    
417            * NAMESPACE: Corrected exports (generic methods need exportMethods
418            directives!).
419    
420    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    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
427    
428            * man/: Revised documentation after previous code changes.
429    
430    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
431    
432            * R/: Remaining changes as discussed with David.
433    
434    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    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
440    
441            * man/: Finished documentation.
442    
443    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
444    
445            * man/: Wrote some documentation.
446    
447  2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
448    
449          * R/: Further syntactic sugar in form of additional assignment and          * R/: Further syntactic sugar in form of additional assignment and

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