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revision 715, Wed Mar 14 15:16:27 2007 UTC revision 854, Sun May 25 13:15:06 2008 UTC
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1    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/filter.R: Every filter has now an attribute indicating whether
4            it sould be applied to document level (doclevel).
5    
6            * R/textdoccol.R (tmFilter): Set searchFullText as new default
7            filter.
8    
9    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
10    
11            * R/transform.R (replacePatterns): Replaced removeWords by
12            replacePatterns. Suggested by Christian Buchta.
13    
14            * R/textdoccol.R (inspect): Improved formatting.
15    
16    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * inst/CITATION: Updated JSS article information.
19    
20            * R/textdoccol.R (setAs): Added coerce method from list to
21            corpus.
22    
23            * R/meta.R (meta): Improved meta data handling.
24    
25    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
28            Christian Buchta.
29    
30            * inst/CITATION: Added template to include JSS article reference.
31    
32    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/textdoccol.R (tmMap): Introduced lazy mapping.
35    
36            * R/source.R: Added VectorSource.
37    
38    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * man/: Language codes should be in ISO 639-1 format.
41    
42            * R/textdoccol.R (asPlain): Preserve local meta data.
43    
44    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/textdoccol.R (writeCorpus): Function for writing a corpus
47            containing plain text documents to disk.
48    
49    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
52            always set correctly.
53    
54            * R/textdoccol.R: Set load = TRUE as default for load on demand
55            since in most cases this is the wanted behaviour.
56    
57    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
60    
61            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
62    
63    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/meta.R (meta): New function for consistent access to meta data
66            of document collections, repositories, and texts.
67    
68    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * R/: Better support for encodings.
71    
72    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
75            selection when no reader argument is given.
76    
77    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/source.R (CSVSource): Now uses read.csv instead of scan
80            internally.
81    
82    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/reader.R (getReaders): Returns available reader functions.
85    
86            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
87            as default.
88    
89    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/stopwords.R (stopwords): Shortened code, removed codetools
92            variable warnings.
93    
94            * man/: Documentation for showMeta, added an example for tmMap.
95    
96            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
97            some minor typos fixed.
98    
99    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/aobjects.R (showMeta): Added method for pretty printing a
102            text document's meta data.
103    
104    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/textdoccol.R (TextDocCol): Better handling of empty
107            arguments.
108    
109            * NAMESPACE: Exported readDOC.
110    
111            * man/completeStems.Rd: Added an example.
112    
113    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/stopwords.R (stopwords): Look up .dat files at every
116            call. Allows users to modify stopword .dat files interactively.
117    
118    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/termdocmatrix.R (termFreq): Correct processing of empty
121            documents.
122    
123    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * man/: Updated documentation.
126    
127    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * R/complete.R (completeStems): Completes (heuristically) word
130            stems.
131    
132            * R/termdocmatrix.R (TermDocMatrix2): New modular
133            constructor.
134    
135            * NAMESPACE: Exported termFreq.
136    
137    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/reader.R (readDOC): Added MS Word reader (using antiword).
140    
141    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/weight.R: Weighting functions for TermDocMatrix.
144    
145    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
148            functions for accessing dimension, column, and row names.
149    
150            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
151    
152    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
155    
156    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
159    
160    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * R/reader.R (readPDF): Removed manual checks for pdftotext and
163            pdfinfo. The system call gives a warning anyway.
164    
165    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * R/textdoccol.R (asPlain): Conversion from
168            StructuredTextDocuments to PlainTextDocuments.
169    
170    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
173            for accessing term-document matrices.
174    
175            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
176            are installed.
177    
178    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
181            Christian Buchta.
182    
183    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
186    
187    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
190    
191            * R/reader.R (readPDF): Added PDF reader.
192    
193    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
196    
197            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
198    
199            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
200    
201            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
202    
203    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/distmeasure.R (dissimilarity): Replaced dists call from
206            package cba by new dist call from package proxy.
207    
208    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
211    
212    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * R/termdocmatrix.R: require() uses the quietly option to suppress
215            loading messages.
216    
217    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/dictionary.R: Added dictionary support.
220    
221    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
224            documents. This simplifies some functions, e.g., asPlain.
225    
226    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * inst/doc/tm.Rnw: Fixed some typos in vignette.
229    
230    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * R/textdoccol.R (replaceWords): Added method to replace a set of
233            words by a single word. Useful for synonyms.
234    
235    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
238    
239    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
242            vectors. Thanks to Ariel Maguyon for his error report.
243            (removeSparseTerms): New function to remove columns from a
244            term-document matrix exceeding a sparse factor.
245    
246    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
247    
248            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
249    
250    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * man/sFilter.Rd: Corrected documentation on statement format (use
253            '==' instead of '=').
254    
255    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/aobjects.R (StructuredTextDocument): Inherits from
258            TextDocument.
259    
260    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
263            on sparse matrices as proposed by Martin Maechler.
264    
265    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
268            \pkg{filehash} version makes them deprecated.
269    
270    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * R/termdocmatrix.R (textvector): Stemming is now performed before
273            erasing stopwords.
274            (weightMatrix): Adapted to handle sparse matrices.
275            (TermDocMatrix): Sparse matrix is now efficiently built by
276            direct stepwise insertion of row values into it.
277    
278    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
281            due to ongoing problems. For our purposes the latter is as useful
282            as the replaced package.
283    
284    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
287    
288            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
289    
290    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
291    
292            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
293            languages with available stopwords.
294    
295    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * inst/doc/tm.Rnw: Minor corrections in the vignette.
298    
299    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
300    
301            * DESCRIPTION: Update to version 0.2, since a lot of new features
302            have been integrated.
303    
304            * inst/stopwords: Updated existing stopwords and added stopwords
305            for various other languages.
306    
307    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
308    
309            * man/: Updated documentation.
310    
311            * Work/testDb.R: Script to test database stuff.
312    
313            * R/: Fixed various database related bugs. Seems to be rather
314            useable now, i.e., consider as alpha status for now.
315    
316    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318            * R/: Fixed some bugs related to database support.
319    
320    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
321    
322            * man/: Added a lot of examples to the manuals.
323    
324    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326            * man/: Updated parts of the documentation.
327    
328            * R/textdoccol.R (asPlain): Added conversion from newsgroup
329            documents to plain text documents.
330    
331    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
332    
333            * R/textdoccol.R: Finished experimental database support. Not yet
334            intensively tested.
335    
336            * R/source.R: Now each source has a default reader.
337    
338            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
339            class anymore.
340    
341            * R/plaintextdoc.R: Custom show method for plain text documents.
342    
343            * R/aobjects.R: Added a class for structured text documents.
344    
345            * R/reader.R: Replaced remaining \code{parser} occurrences with
346            \code{reader}.
347    
348            * R/textdoccol.R (summary): Indent tags.
349    
350            * R/textdoccol.R (removePunctuation): Transform method to remove
351            punctuation marks.
352    
353    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
356            using prescindMeta().
357    
358    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
359    
360            * R/textdoccol.R: Improved database support.
361    
362    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
363    
364            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
365    
366            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
367            language code.
368    
369            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
370            into parserControl argument.
371    
372            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
373    
374  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376          * 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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