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revision 738, Fri Apr 20 13:55:34 2007 UTC revision 868, Mon Nov 3 16:43:04 2008 UTC
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1    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
2    
3            * DESCRIPTION (Suggests): Added Rmpi.
4    
5    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/source.R (getElem): Fix 'no visible binding' warning.
8    
9            * man/WeightFunction.Rd: Fix signature.
10    
11    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
12    
13            * R/weight.R: Introduce name abbreviations for weighting functions.
14    
15    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
18    
19            * R/cluster.R: Provide convenience functions for using a MPI
20            cluster.
21    
22            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
23            available.
24    
25            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
26            available.
27    
28    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/textdoccol.R (lapply): Removed debug print out.
31    
32    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/reader.R (readRCV1): Improved meta data extraction from
35            Reuters Corpus Volume 1 documents.
36    
37    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
38    
39            * R/transform.R: Ensure that all mappings preserve multiline
40            structures.
41    
42    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * R/filter.R: Every filter has now an attribute indicating whether
45            it sould be applied to document level (doclevel).
46    
47            * R/textdoccol.R (tmFilter): Set searchFullText as new default
48            filter.
49    
50    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * R/transform.R (replacePatterns): Replaced removeWords by
53            replacePatterns. Suggested by Christian Buchta.
54    
55            * R/textdoccol.R (inspect): Improved formatting.
56    
57    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * inst/CITATION: Updated JSS article information.
60    
61            * R/textdoccol.R (setAs): Added coerce method from list to
62            corpus.
63    
64            * R/meta.R (meta): Improved meta data handling.
65    
66    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
69            Christian Buchta.
70    
71            * inst/CITATION: Added template to include JSS article reference.
72    
73    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/textdoccol.R (tmMap): Introduced lazy mapping.
76    
77            * R/source.R: Added VectorSource.
78    
79    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * man/: Language codes should be in ISO 639-1 format.
82    
83            * R/textdoccol.R (asPlain): Preserve local meta data.
84    
85    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
86    
87            * R/textdoccol.R (writeCorpus): Function for writing a corpus
88            containing plain text documents to disk.
89    
90    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
93            always set correctly.
94    
95            * R/textdoccol.R: Set load = TRUE as default for load on demand
96            since in most cases this is the wanted behaviour.
97    
98    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
101    
102            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
103    
104    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/meta.R (meta): New function for consistent access to meta data
107            of document collections, repositories, and texts.
108    
109    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/: Better support for encodings.
112    
113    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
116            selection when no reader argument is given.
117    
118    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/source.R (CSVSource): Now uses read.csv instead of scan
121            internally.
122    
123    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * R/reader.R (getReaders): Returns available reader functions.
126    
127            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
128            as default.
129    
130    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/stopwords.R (stopwords): Shortened code, removed codetools
133            variable warnings.
134    
135            * man/: Documentation for showMeta, added an example for tmMap.
136    
137            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
138            some minor typos fixed.
139    
140    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * R/aobjects.R (showMeta): Added method for pretty printing a
143            text document's meta data.
144    
145    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/textdoccol.R (TextDocCol): Better handling of empty
148            arguments.
149    
150            * NAMESPACE: Exported readDOC.
151    
152            * man/completeStems.Rd: Added an example.
153    
154    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * R/stopwords.R (stopwords): Look up .dat files at every
157            call. Allows users to modify stopword .dat files interactively.
158    
159    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
160    
161            * R/termdocmatrix.R (termFreq): Correct processing of empty
162            documents.
163    
164    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * man/: Updated documentation.
167    
168    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/complete.R (completeStems): Completes (heuristically) word
171            stems.
172    
173            * R/termdocmatrix.R (TermDocMatrix2): New modular
174            constructor.
175    
176            * NAMESPACE: Exported termFreq.
177    
178    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * R/reader.R (readDOC): Added MS Word reader (using antiword).
181    
182    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/weight.R: Weighting functions for TermDocMatrix.
185    
186    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
187    
188            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
189            functions for accessing dimension, column, and row names.
190    
191            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
192    
193    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
196    
197    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
200    
201    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
202    
203            * R/reader.R (readPDF): Removed manual checks for pdftotext and
204            pdfinfo. The system call gives a warning anyway.
205    
206    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * R/textdoccol.R (asPlain): Conversion from
209            StructuredTextDocuments to PlainTextDocuments.
210    
211    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
214            for accessing term-document matrices.
215    
216            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
217            are installed.
218    
219    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
222            Christian Buchta.
223    
224    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
227    
228    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
231    
232            * R/reader.R (readPDF): Added PDF reader.
233    
234    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
237    
238            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
239    
240            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
241    
242            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
243    
244    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
245    
246            * R/distmeasure.R (dissimilarity): Replaced dists call from
247            package cba by new dist call from package proxy.
248    
249    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
252    
253    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/termdocmatrix.R: require() uses the quietly option to suppress
256            loading messages.
257    
258    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/dictionary.R: Added dictionary support.
261    
262    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
265            documents. This simplifies some functions, e.g., asPlain.
266    
267    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
268    
269            * inst/doc/tm.Rnw: Fixed some typos in vignette.
270    
271    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
272    
273            * R/textdoccol.R (replaceWords): Added method to replace a set of
274            words by a single word. Useful for synonyms.
275    
276    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
279    
280    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
283            vectors. Thanks to Ariel Maguyon for his error report.
284            (removeSparseTerms): New function to remove columns from a
285            term-document matrix exceeding a sparse factor.
286    
287    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
290    
291    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
292    
293            * man/sFilter.Rd: Corrected documentation on statement format (use
294            '==' instead of '=').
295    
296    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
297    
298            * R/aobjects.R (StructuredTextDocument): Inherits from
299            TextDocument.
300    
301    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
302    
303            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
304            on sparse matrices as proposed by Martin Maechler.
305    
306    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
309            \pkg{filehash} version makes them deprecated.
310    
311    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * R/termdocmatrix.R (textvector): Stemming is now performed before
314            erasing stopwords.
315            (weightMatrix): Adapted to handle sparse matrices.
316            (TermDocMatrix): Sparse matrix is now efficiently built by
317            direct stepwise insertion of row values into it.
318    
319    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
322            due to ongoing problems. For our purposes the latter is as useful
323            as the replaced package.
324    
325  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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