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revision 708, Mon Jan 22 10:34:12 2007 UTC revision 826, Sat Feb 23 14:38:15 2008 UTC
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1    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * man/: Language codes should be in ISO 639-1 format.
4    
5            * R/textdoccol.R (asPlain): Preserve local meta data.
6    
7    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
8    
9            * R/textdoccol.R (writeCorpus): Function for writing a corpus
10            containing plain text documents to disk.
11    
12    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
15            always set correctly.
16    
17            * R/textdoccol.R: Set load = TRUE as default for load on demand
18            since in most cases this is the wanted behaviour.
19    
20    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
23    
24            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
25    
26    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/meta.R (meta): New function for consistent access to meta data
29            of document collections, repositories, and texts.
30    
31    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/: Better support for encodings.
34    
35    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
38            selection when no reader argument is given.
39    
40    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/source.R (CSVSource): Now uses read.csv instead of scan
43            internally.
44    
45    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/reader.R (getReaders): Returns available reader functions.
48    
49            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
50            as default.
51    
52    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/stopwords.R (stopwords): Shortened code, removed codetools
55            variable warnings.
56    
57            * man/: Documentation for showMeta, added an example for tmMap.
58    
59            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
60            some minor typos fixed.
61    
62    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/aobjects.R (showMeta): Added method for pretty printing a
65            text document's meta data.
66    
67    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/textdoccol.R (TextDocCol): Better handling of empty
70            arguments.
71    
72            * NAMESPACE: Exported readDOC.
73    
74            * man/completeStems.Rd: Added an example.
75    
76    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * R/stopwords.R (stopwords): Look up .dat files at every
79            call. Allows users to modify stopword .dat files interactively.
80    
81    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/termdocmatrix.R (termFreq): Correct processing of empty
84            documents.
85    
86    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/: Updated documentation.
89    
90    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/complete.R (completeStems): Completes (heuristically) word
93            stems.
94    
95            * R/termdocmatrix.R (TermDocMatrix2): New modular
96            constructor.
97    
98            * NAMESPACE: Exported termFreq.
99    
100    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/reader.R (readDOC): Added MS Word reader (using antiword).
103    
104    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/weight.R: Weighting functions for TermDocMatrix.
107    
108    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
111            functions for accessing dimension, column, and row names.
112    
113            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
114    
115    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
118    
119    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
122    
123    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * R/reader.R (readPDF): Removed manual checks for pdftotext and
126            pdfinfo. The system call gives a warning anyway.
127    
128    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * R/textdoccol.R (asPlain): Conversion from
131            StructuredTextDocuments to PlainTextDocuments.
132    
133    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
136            for accessing term-document matrices.
137    
138            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
139            are installed.
140    
141    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
144            Christian Buchta.
145    
146    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
149    
150    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
153    
154            * R/reader.R (readPDF): Added PDF reader.
155    
156    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
159    
160            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
161    
162            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
163    
164            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
165    
166    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/distmeasure.R (dissimilarity): Replaced dists call from
169            package cba by new dist call from package proxy.
170    
171    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
172    
173            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
174    
175    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/termdocmatrix.R: require() uses the quietly option to suppress
178            loading messages.
179    
180    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/dictionary.R: Added dictionary support.
183    
184    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
187            documents. This simplifies some functions, e.g., asPlain.
188    
189    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * inst/doc/tm.Rnw: Fixed some typos in vignette.
192    
193    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/textdoccol.R (replaceWords): Added method to replace a set of
196            words by a single word. Useful for synonyms.
197    
198    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
201    
202    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
205            vectors. Thanks to Ariel Maguyon for his error report.
206            (removeSparseTerms): New function to remove columns from a
207            term-document matrix exceeding a sparse factor.
208    
209    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
212    
213    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * man/sFilter.Rd: Corrected documentation on statement format (use
216            '==' instead of '=').
217    
218    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/aobjects.R (StructuredTextDocument): Inherits from
221            TextDocument.
222    
223    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
224    
225            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
226            on sparse matrices as proposed by Martin Maechler.
227    
228    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
231            \pkg{filehash} version makes them deprecated.
232    
233    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
234    
235            * R/termdocmatrix.R (textvector): Stemming is now performed before
236            erasing stopwords.
237            (weightMatrix): Adapted to handle sparse matrices.
238            (TermDocMatrix): Sparse matrix is now efficiently built by
239            direct stepwise insertion of row values into it.
240    
241    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
244            due to ongoing problems. For our purposes the latter is as useful
245            as the replaced package.
246    
247    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
250    
251            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
252    
253    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
256            languages with available stopwords.
257    
258    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * inst/doc/tm.Rnw: Minor corrections in the vignette.
261    
262    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * DESCRIPTION: Update to version 0.2, since a lot of new features
265            have been integrated.
266    
267            * inst/stopwords: Updated existing stopwords and added stopwords
268            for various other languages.
269    
270    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * man/: Updated documentation.
273    
274            * Work/testDb.R: Script to test database stuff.
275    
276            * R/: Fixed various database related bugs. Seems to be rather
277            useable now, i.e., consider as alpha status for now.
278    
279    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/: Fixed some bugs related to database support.
282    
283    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * man/: Added a lot of examples to the manuals.
286    
287    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * man/: Updated parts of the documentation.
290    
291            * R/textdoccol.R (asPlain): Added conversion from newsgroup
292            documents to plain text documents.
293    
294    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/textdoccol.R: Finished experimental database support. Not yet
297            intensively tested.
298    
299            * R/source.R: Now each source has a default reader.
300    
301            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
302            class anymore.
303    
304            * R/plaintextdoc.R: Custom show method for plain text documents.
305    
306            * R/aobjects.R: Added a class for structured text documents.
307    
308            * R/reader.R: Replaced remaining \code{parser} occurrences with
309            \code{reader}.
310    
311            * R/textdoccol.R (summary): Indent tags.
312    
313            * R/textdoccol.R (removePunctuation): Transform method to remove
314            punctuation marks.
315    
316    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
319            using prescindMeta().
320    
321    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * R/textdoccol.R: Improved database support.
324    
325    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
328    
329            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
330            language code.
331    
332            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
333            into parserControl argument.
334    
335            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
336    
337    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * Work/tmDataSetup.R: The datasets acq and crude can now be
340            created on the fly.
341    
342            * R/stopwords.R: Introduced a function returning the stopwords for
343            a given language (English, German and French at the moment)
344    
345            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
346            otherwise falls back to Snowball package.
347    
348    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
349    
350            * man/dissimilarity-methods.Rd: Make clear that any method offered
351            by "dists" from package "cba" can be used.
352    
353  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
356            to Kurt's latex suggestion. Removed points and underscores in
357            variable names for consistent naming.
358    
359          * DESCRIPTION: Update to version 0.1-2.          * DESCRIPTION: Update to version 0.1-2.
360    
361          * man/TextRepository.Rd: Fixed bug in documentation.          * man/TextRepository.Rd: Fixed bug in documentation.

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