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revision 715, Wed Mar 14 15:16:27 2007 UTC revision 832, Wed Mar 12 12:59:48 2008 UTC
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1    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (tmMap): Introduced lazy mapping.
4    
5            * R/source.R: Added VectorSource.
6    
7    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
8    
9            * man/: Language codes should be in ISO 639-1 format.
10    
11            * R/textdoccol.R (asPlain): Preserve local meta data.
12    
13    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
14    
15            * R/textdoccol.R (writeCorpus): Function for writing a corpus
16            containing plain text documents to disk.
17    
18    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
21            always set correctly.
22    
23            * R/textdoccol.R: Set load = TRUE as default for load on demand
24            since in most cases this is the wanted behaviour.
25    
26    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
29    
30            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
31    
32    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/meta.R (meta): New function for consistent access to meta data
35            of document collections, repositories, and texts.
36    
37    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
38    
39            * R/: Better support for encodings.
40    
41    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
44            selection when no reader argument is given.
45    
46    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * R/source.R (CSVSource): Now uses read.csv instead of scan
49            internally.
50    
51    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/reader.R (getReaders): Returns available reader functions.
54    
55            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
56            as default.
57    
58    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/stopwords.R (stopwords): Shortened code, removed codetools
61            variable warnings.
62    
63            * man/: Documentation for showMeta, added an example for tmMap.
64    
65            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
66            some minor typos fixed.
67    
68    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * R/aobjects.R (showMeta): Added method for pretty printing a
71            text document's meta data.
72    
73    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/textdoccol.R (TextDocCol): Better handling of empty
76            arguments.
77    
78            * NAMESPACE: Exported readDOC.
79    
80            * man/completeStems.Rd: Added an example.
81    
82    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/stopwords.R (stopwords): Look up .dat files at every
85            call. Allows users to modify stopword .dat files interactively.
86    
87    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * R/termdocmatrix.R (termFreq): Correct processing of empty
90            documents.
91    
92    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * man/: Updated documentation.
95    
96    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/complete.R (completeStems): Completes (heuristically) word
99            stems.
100    
101            * R/termdocmatrix.R (TermDocMatrix2): New modular
102            constructor.
103    
104            * NAMESPACE: Exported termFreq.
105    
106    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/reader.R (readDOC): Added MS Word reader (using antiword).
109    
110    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * R/weight.R: Weighting functions for TermDocMatrix.
113    
114    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
117            functions for accessing dimension, column, and row names.
118    
119            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
120    
121    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
124    
125    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
128    
129    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/reader.R (readPDF): Removed manual checks for pdftotext and
132            pdfinfo. The system call gives a warning anyway.
133    
134    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/textdoccol.R (asPlain): Conversion from
137            StructuredTextDocuments to PlainTextDocuments.
138    
139    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
142            for accessing term-document matrices.
143    
144            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
145            are installed.
146    
147    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
150            Christian Buchta.
151    
152    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
155    
156    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
159    
160            * R/reader.R (readPDF): Added PDF reader.
161    
162    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
165    
166            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
167    
168            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
169    
170            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
171    
172    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/distmeasure.R (dissimilarity): Replaced dists call from
175            package cba by new dist call from package proxy.
176    
177    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
178    
179            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
180    
181    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
182    
183            * R/termdocmatrix.R: require() uses the quietly option to suppress
184            loading messages.
185    
186    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
187    
188            * R/dictionary.R: Added dictionary support.
189    
190    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
193            documents. This simplifies some functions, e.g., asPlain.
194    
195    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * inst/doc/tm.Rnw: Fixed some typos in vignette.
198    
199    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/textdoccol.R (replaceWords): Added method to replace a set of
202            words by a single word. Useful for synonyms.
203    
204    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
207    
208    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
211            vectors. Thanks to Ariel Maguyon for his error report.
212            (removeSparseTerms): New function to remove columns from a
213            term-document matrix exceeding a sparse factor.
214    
215    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
218    
219    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * man/sFilter.Rd: Corrected documentation on statement format (use
222            '==' instead of '=').
223    
224    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * R/aobjects.R (StructuredTextDocument): Inherits from
227            TextDocument.
228    
229    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
230    
231            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
232            on sparse matrices as proposed by Martin Maechler.
233    
234    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
237            \pkg{filehash} version makes them deprecated.
238    
239    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * R/termdocmatrix.R (textvector): Stemming is now performed before
242            erasing stopwords.
243            (weightMatrix): Adapted to handle sparse matrices.
244            (TermDocMatrix): Sparse matrix is now efficiently built by
245            direct stepwise insertion of row values into it.
246    
247    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
250            due to ongoing problems. For our purposes the latter is as useful
251            as the replaced package.
252    
253    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
256    
257            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
258    
259    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
260    
261            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
262            languages with available stopwords.
263    
264    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * inst/doc/tm.Rnw: Minor corrections in the vignette.
267    
268    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * DESCRIPTION: Update to version 0.2, since a lot of new features
271            have been integrated.
272    
273            * inst/stopwords: Updated existing stopwords and added stopwords
274            for various other languages.
275    
276    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * man/: Updated documentation.
279    
280            * Work/testDb.R: Script to test database stuff.
281    
282            * R/: Fixed various database related bugs. Seems to be rather
283            useable now, i.e., consider as alpha status for now.
284    
285    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
286    
287            * R/: Fixed some bugs related to database support.
288    
289    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
290    
291            * man/: Added a lot of examples to the manuals.
292    
293    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * man/: Updated parts of the documentation.
296    
297            * R/textdoccol.R (asPlain): Added conversion from newsgroup
298            documents to plain text documents.
299    
300    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/textdoccol.R: Finished experimental database support. Not yet
303            intensively tested.
304    
305            * R/source.R: Now each source has a default reader.
306    
307            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
308            class anymore.
309    
310            * R/plaintextdoc.R: Custom show method for plain text documents.
311    
312            * R/aobjects.R: Added a class for structured text documents.
313    
314            * R/reader.R: Replaced remaining \code{parser} occurrences with
315            \code{reader}.
316    
317            * R/textdoccol.R (summary): Indent tags.
318    
319            * R/textdoccol.R (removePunctuation): Transform method to remove
320            punctuation marks.
321    
322    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
325            using prescindMeta().
326    
327    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
328    
329            * R/textdoccol.R: Improved database support.
330    
331    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
332    
333            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
334    
335            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
336            language code.
337    
338            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
339            into parserControl argument.
340    
341            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
342    
343  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
344    
345          * Work/tmDataSetup.R: The datasets acq and crude can now be          * Work/tmDataSetup.R: The datasets acq and crude can now be

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