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revision 731, Wed Apr 11 14:01:40 2007 UTC revision 860, Fri Jul 18 05:05:20 2008 UTC
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1    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/textdoccol.R (lapply): Removed debug print out.
4    
5    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/reader.R (readRCV1): Improved meta data extraction from
8            Reuters Corpus Volume 1 documents.
9    
10    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/transform.R: Ensure that all mappings preserve multiline
13            structures.
14    
15    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/filter.R: Every filter has now an attribute indicating whether
18            it sould be applied to document level (doclevel).
19    
20            * R/textdoccol.R (tmFilter): Set searchFullText as new default
21            filter.
22    
23    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/transform.R (replacePatterns): Replaced removeWords by
26            replacePatterns. Suggested by Christian Buchta.
27    
28            * R/textdoccol.R (inspect): Improved formatting.
29    
30    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * inst/CITATION: Updated JSS article information.
33    
34            * R/textdoccol.R (setAs): Added coerce method from list to
35            corpus.
36    
37            * R/meta.R (meta): Improved meta data handling.
38    
39    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
42            Christian Buchta.
43    
44            * inst/CITATION: Added template to include JSS article reference.
45    
46    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * R/textdoccol.R (tmMap): Introduced lazy mapping.
49    
50            * R/source.R: Added VectorSource.
51    
52    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * man/: Language codes should be in ISO 639-1 format.
55    
56            * R/textdoccol.R (asPlain): Preserve local meta data.
57    
58    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/textdoccol.R (writeCorpus): Function for writing a corpus
61            containing plain text documents to disk.
62    
63    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
66            always set correctly.
67    
68            * R/textdoccol.R: Set load = TRUE as default for load on demand
69            since in most cases this is the wanted behaviour.
70    
71    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
74    
75            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
76    
77    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/meta.R (meta): New function for consistent access to meta data
80            of document collections, repositories, and texts.
81    
82    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/: Better support for encodings.
85    
86    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
89            selection when no reader argument is given.
90    
91    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/source.R (CSVSource): Now uses read.csv instead of scan
94            internally.
95    
96    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/reader.R (getReaders): Returns available reader functions.
99    
100            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
101            as default.
102    
103    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * R/stopwords.R (stopwords): Shortened code, removed codetools
106            variable warnings.
107    
108            * man/: Documentation for showMeta, added an example for tmMap.
109    
110            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
111            some minor typos fixed.
112    
113    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/aobjects.R (showMeta): Added method for pretty printing a
116            text document's meta data.
117    
118    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/textdoccol.R (TextDocCol): Better handling of empty
121            arguments.
122    
123            * NAMESPACE: Exported readDOC.
124    
125            * man/completeStems.Rd: Added an example.
126    
127    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * R/stopwords.R (stopwords): Look up .dat files at every
130            call. Allows users to modify stopword .dat files interactively.
131    
132    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
133    
134            * R/termdocmatrix.R (termFreq): Correct processing of empty
135            documents.
136    
137    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * man/: Updated documentation.
140    
141    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/complete.R (completeStems): Completes (heuristically) word
144            stems.
145    
146            * R/termdocmatrix.R (TermDocMatrix2): New modular
147            constructor.
148    
149            * NAMESPACE: Exported termFreq.
150    
151    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * R/reader.R (readDOC): Added MS Word reader (using antiword).
154    
155    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/weight.R: Weighting functions for TermDocMatrix.
158    
159    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
162            functions for accessing dimension, column, and row names.
163    
164            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
165    
166    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
169    
170    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
173    
174    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
175    
176            * R/reader.R (readPDF): Removed manual checks for pdftotext and
177            pdfinfo. The system call gives a warning anyway.
178    
179    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/textdoccol.R (asPlain): Conversion from
182            StructuredTextDocuments to PlainTextDocuments.
183    
184    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
187            for accessing term-document matrices.
188    
189            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
190            are installed.
191    
192    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
195            Christian Buchta.
196    
197    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
200    
201    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
202    
203            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
204    
205            * R/reader.R (readPDF): Added PDF reader.
206    
207    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
210    
211            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
212    
213            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
214    
215            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
216    
217    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/distmeasure.R (dissimilarity): Replaced dists call from
220            package cba by new dist call from package proxy.
221    
222    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
225    
226    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * R/termdocmatrix.R: require() uses the quietly option to suppress
229            loading messages.
230    
231    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * R/dictionary.R: Added dictionary support.
234    
235    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
238            documents. This simplifies some functions, e.g., asPlain.
239    
240    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * inst/doc/tm.Rnw: Fixed some typos in vignette.
243    
244    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
245    
246            * R/textdoccol.R (replaceWords): Added method to replace a set of
247            words by a single word. Useful for synonyms.
248    
249    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
252    
253    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
256            vectors. Thanks to Ariel Maguyon for his error report.
257            (removeSparseTerms): New function to remove columns from a
258            term-document matrix exceeding a sparse factor.
259    
260    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
263    
264    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * man/sFilter.Rd: Corrected documentation on statement format (use
267            '==' instead of '=').
268    
269    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * R/aobjects.R (StructuredTextDocument): Inherits from
272            TextDocument.
273    
274    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
275    
276            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
277            on sparse matrices as proposed by Martin Maechler.
278    
279    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
282            \pkg{filehash} version makes them deprecated.
283    
284    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * R/termdocmatrix.R (textvector): Stemming is now performed before
287            erasing stopwords.
288            (weightMatrix): Adapted to handle sparse matrices.
289            (TermDocMatrix): Sparse matrix is now efficiently built by
290            direct stepwise insertion of row values into it.
291    
292    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
295            due to ongoing problems. For our purposes the latter is as useful
296            as the replaced package.
297    
298    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
299    
300            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
301    
302            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
303    
304    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
307            languages with available stopwords.
308    
309    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * inst/doc/tm.Rnw: Minor corrections in the vignette.
312    
313  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
314    
315          * inst/stopwords: Updated stopwords.          * DESCRIPTION: Update to version 0.2, since a lot of new features
316            have been integrated.
317    
318            * inst/stopwords: Updated existing stopwords and added stopwords
319            for various other languages.
320    
321  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    

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