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trunk/R/textmin/ChangeLog revision 59, Tue Sep 26 12:24:09 2006 UTC trunk/tm/ChangeLog revision 775, Sat Jul 28 13:57:02 2007 UTC
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1    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (asPlain): Conversion from
4            StructuredTextDocuments to PlainTextDocuments.
5    
6    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
9            for accessing term-document matrices.
10    
11            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
12            are installed.
13    
14    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
17            Christian Buchta.
18    
19    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
22    
23    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
26    
27            * R/reader.R (readPDF): Added PDF reader.
28    
29    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
32    
33            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
34    
35            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
36    
37            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
38    
39    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/distmeasure.R (dissimilarity): Replaced dists call from
42            package cba by new dist call from package proxy.
43    
44    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
47    
48    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/termdocmatrix.R: require() uses the quietly option to suppress
51            loading messages.
52    
53    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/dictionary.R: Added dictionary support.
56    
57    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
60            documents. This simplifies some functions, e.g., asPlain.
61    
62    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * inst/doc/tm.Rnw: Fixed some typos in vignette.
65    
66    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * R/textdoccol.R (replaceWords): Added method to replace a set of
69            words by a single word. Useful for synonyms.
70    
71    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
74    
75    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
78            vectors. Thanks to Ariel Maguyon for his error report.
79            (removeSparseTerms): New function to remove columns from a
80            term-document matrix exceeding a sparse factor.
81    
82    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
85    
86    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/sFilter.Rd: Corrected documentation on statement format (use
89            '==' instead of '=').
90    
91    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/aobjects.R (StructuredTextDocument): Inherits from
94            TextDocument.
95    
96    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
99            on sparse matrices as proposed by Martin Maechler.
100    
101    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
102    
103            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
104            \pkg{filehash} version makes them deprecated.
105    
106    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/termdocmatrix.R (textvector): Stemming is now performed before
109            erasing stopwords.
110            (weightMatrix): Adapted to handle sparse matrices.
111            (TermDocMatrix): Sparse matrix is now efficiently built by
112            direct stepwise insertion of row values into it.
113    
114    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
117            due to ongoing problems. For our purposes the latter is as useful
118            as the replaced package.
119    
120    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
123    
124            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
125    
126    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
129            languages with available stopwords.
130    
131    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * inst/doc/tm.Rnw: Minor corrections in the vignette.
134    
135    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * DESCRIPTION: Update to version 0.2, since a lot of new features
138            have been integrated.
139    
140            * inst/stopwords: Updated existing stopwords and added stopwords
141            for various other languages.
142    
143    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * man/: Updated documentation.
146    
147            * Work/testDb.R: Script to test database stuff.
148    
149            * R/: Fixed various database related bugs. Seems to be rather
150            useable now, i.e., consider as alpha status for now.
151    
152    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/: Fixed some bugs related to database support.
155    
156    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * man/: Added a lot of examples to the manuals.
159    
160    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * man/: Updated parts of the documentation.
163    
164            * R/textdoccol.R (asPlain): Added conversion from newsgroup
165            documents to plain text documents.
166    
167    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/textdoccol.R: Finished experimental database support. Not yet
170            intensively tested.
171    
172            * R/source.R: Now each source has a default reader.
173    
174            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
175            class anymore.
176    
177            * R/plaintextdoc.R: Custom show method for plain text documents.
178    
179            * R/aobjects.R: Added a class for structured text documents.
180    
181            * R/reader.R: Replaced remaining \code{parser} occurrences with
182            \code{reader}.
183    
184            * R/textdoccol.R (summary): Indent tags.
185    
186            * R/textdoccol.R (removePunctuation): Transform method to remove
187            punctuation marks.
188    
189    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
192            using prescindMeta().
193    
194    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * R/textdoccol.R: Improved database support.
197    
198    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
201    
202            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
203            language code.
204    
205            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
206            into parserControl argument.
207    
208            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
209    
210    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
211    
212            * Work/tmDataSetup.R: The datasets acq and crude can now be
213            created on the fly.
214    
215            * R/stopwords.R: Introduced a function returning the stopwords for
216            a given language (English, German and French at the moment)
217    
218            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
219            otherwise falls back to Snowball package.
220    
221    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * man/dissimilarity-methods.Rd: Make clear that any method offered
224            by "dists" from package "cba" can be used.
225    
226    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
229            to Kurt's latex suggestion. Removed points and underscores in
230            variable names for consistent naming.
231    
232            * DESCRIPTION: Update to version 0.1-2.
233    
234            * man/TextRepository.Rd: Fixed bug in documentation.
235    
236    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * DESCRIPTION: Update to version 0.1-1.
239    
240    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
243            wordStem.
244    
245    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/: Changes due to Kurt's review.
248    
249    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/: Implemented improvements based upon comments by David
252            Meyer.
253    
254    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * inst/doc/: Rewrote vignette.
257    
258            * man/: Improved documentation.
259    
260    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * man/: Updated documentation.
263    
264            * DESCRIPTION: Changed package name to "tm". Updated version to
265            0.1 for first CRAN release.
266    
267            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
268            list archive example.
269    
270            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
271            archive example.
272    
273            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
274            from (several mails per box) mbox format to (single mail per file)
275            eml format.
276    
277    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
278    
279            * data/crude.rda: Rebuilt.
280    
281            * data/acq.rda: Rebuilt.
282    
283            * R/reader.R: Factored out reader and parser methods from
284            textdoccol.R.
285    
286            * R/source.R: Factored out Source methods from aobjects.R and
287            textdoccol.R.
288            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
289            feeds.
290    
291            * R/textdoccol.R (DirSource): Added support for recursive
292            traversal of directories.
293    
294    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/textdoccol.R ([[): Loads the document corpus automatically
297            into memory upon access.
298            (tm_transform, tm_filter): Removed several checks whether the
299            document is already loaded ([[ ensures this now).
300            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
301            mailing list archive.
302    
303    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
304    
305            * R/aobjects.R (TextDocument): Is now a virtual class.
306            (Source): Is now a virtual class.
307    
308    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * R/textdoccol.R (c): Support for an arbitrary number of document
311            collections.
312    
313    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
316            append_meta and remove_meta.
317    
318            * R/textdoccol.R: Removed modify_metadata method.
319    
320            * R/textrepo.R: Removed modify_metadata method.
321    
322            * R/textdoccol.R (remove_meta): Supports removal of document
323            collection metadata and document (= in data frame) metadata.
324    
325    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
328    
329            * data/crude.rda: Rebuilt.
330    
331            * data/acq.rda: Rebuilt.
332    
333            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
334    
335            * R/textdoccol.R ([): Bug fix for subsetting a document
336            collection's data frame.
337    
338    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
341            to s_filter.
342    
343            * R/textdoccol.R: Local text documents' metadata can now be copied
344            to a document collection's data frame with prescind_meta.
345    
346    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/: Text documents' slot metadata is now accessible in s_filter.
349    
350            * R/: Rewrote s_filter function (has still some restrictions).
351    
352    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/: Various fixes in handling metadata.
355    
356            * R/: Added update mechanism for text document collections.
357    
358    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
359    
360            * R/: Merging of document collections now creates a binary tree
361            for reconstructing merged document collections.
362    
363            * R/: Redesign of metadata for document collections.
364    
365    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
366    
367            * R/: Messages now use \code{ngettext}.
368    
369    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
370    
371            * R/: Added functions for modifying and removing metadata.
372    
373    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
374    
375            * man/: Updated some documentation.
376    
377            * R/: Corrected some connection issues.
378    
379            * inst/doc: Worked on the vignette.
380    
381    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
382    
383            * inst/: Added texts and started vignette.
384    
385            * R/: Final changes based upon David's comments.
386    
387    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * NAMESPACE: Corrected exports (generic methods need exportMethods
390            directives!).
391    
392    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
393    
394            * R/: Modified the TextDocCol constructur and various parsers. It
395            is now modular and supports various file formats via plugins (see
396            the new "Source" class).
397    
398    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * man/: Revised documentation after previous code changes.
401    
402    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
403    
404            * R/: Remaining changes as discussed with David.
405    
406    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
407    
408            * R/: Some changes as suggested by David. The rest will follow
409            within the next days.
410    
411  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413          * man/: Finished documentation.          * man/: Finished documentation.

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