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revision 748, Fri May 4 18:52:42 2007 UTC revision 861, Thu Jul 24 09:55:09 2008 UTC
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1    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
4    
5            * R/cluster.R: Provide convenience functions for using a MPI
6            cluster.
7    
8            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
9            available.
10    
11            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
12            available.
13    
14    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
15    
16            * R/textdoccol.R (lapply): Removed debug print out.
17    
18    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * R/reader.R (readRCV1): Improved meta data extraction from
21            Reuters Corpus Volume 1 documents.
22    
23    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * R/transform.R: Ensure that all mappings preserve multiline
26            structures.
27    
28    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/filter.R: Every filter has now an attribute indicating whether
31            it sould be applied to document level (doclevel).
32    
33            * R/textdoccol.R (tmFilter): Set searchFullText as new default
34            filter.
35    
36    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/transform.R (replacePatterns): Replaced removeWords by
39            replacePatterns. Suggested by Christian Buchta.
40    
41            * R/textdoccol.R (inspect): Improved formatting.
42    
43    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * inst/CITATION: Updated JSS article information.
46    
47            * R/textdoccol.R (setAs): Added coerce method from list to
48            corpus.
49    
50            * R/meta.R (meta): Improved meta data handling.
51    
52    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
55            Christian Buchta.
56    
57            * inst/CITATION: Added template to include JSS article reference.
58    
59    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * R/textdoccol.R (tmMap): Introduced lazy mapping.
62    
63            * R/source.R: Added VectorSource.
64    
65    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * man/: Language codes should be in ISO 639-1 format.
68    
69            * R/textdoccol.R (asPlain): Preserve local meta data.
70    
71    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/textdoccol.R (writeCorpus): Function for writing a corpus
74            containing plain text documents to disk.
75    
76    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
79            always set correctly.
80    
81            * R/textdoccol.R: Set load = TRUE as default for load on demand
82            since in most cases this is the wanted behaviour.
83    
84    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
87    
88            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
89    
90    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/meta.R (meta): New function for consistent access to meta data
93            of document collections, repositories, and texts.
94    
95    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * R/: Better support for encodings.
98    
99    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
102            selection when no reader argument is given.
103    
104    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/source.R (CSVSource): Now uses read.csv instead of scan
107            internally.
108    
109    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/reader.R (getReaders): Returns available reader functions.
112    
113            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
114            as default.
115    
116    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
117    
118            * R/stopwords.R (stopwords): Shortened code, removed codetools
119            variable warnings.
120    
121            * man/: Documentation for showMeta, added an example for tmMap.
122    
123            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
124            some minor typos fixed.
125    
126    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/aobjects.R (showMeta): Added method for pretty printing a
129            text document's meta data.
130    
131    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/textdoccol.R (TextDocCol): Better handling of empty
134            arguments.
135    
136            * NAMESPACE: Exported readDOC.
137    
138            * man/completeStems.Rd: Added an example.
139    
140    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * R/stopwords.R (stopwords): Look up .dat files at every
143            call. Allows users to modify stopword .dat files interactively.
144    
145    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/termdocmatrix.R (termFreq): Correct processing of empty
148            documents.
149    
150    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * man/: Updated documentation.
153    
154    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * R/complete.R (completeStems): Completes (heuristically) word
157            stems.
158    
159            * R/termdocmatrix.R (TermDocMatrix2): New modular
160            constructor.
161    
162            * NAMESPACE: Exported termFreq.
163    
164    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * R/reader.R (readDOC): Added MS Word reader (using antiword).
167    
168    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/weight.R: Weighting functions for TermDocMatrix.
171    
172    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
175            functions for accessing dimension, column, and row names.
176    
177            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
178    
179    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
182    
183    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
186    
187    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/reader.R (readPDF): Removed manual checks for pdftotext and
190            pdfinfo. The system call gives a warning anyway.
191    
192    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * R/textdoccol.R (asPlain): Conversion from
195            StructuredTextDocuments to PlainTextDocuments.
196    
197    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
200            for accessing term-document matrices.
201    
202            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
203            are installed.
204    
205    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
206    
207            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
208            Christian Buchta.
209    
210    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
211    
212            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
213    
214    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
217    
218            * R/reader.R (readPDF): Added PDF reader.
219    
220    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
223    
224            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
225    
226            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
227    
228            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
229    
230    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * R/distmeasure.R (dissimilarity): Replaced dists call from
233            package cba by new dist call from package proxy.
234    
235    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
238    
239    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * R/termdocmatrix.R: require() uses the quietly option to suppress
242            loading messages.
243    
244    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
245    
246            * R/dictionary.R: Added dictionary support.
247    
248    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
249    
250            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
251            documents. This simplifies some functions, e.g., asPlain.
252    
253    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * inst/doc/tm.Rnw: Fixed some typos in vignette.
256    
257    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * R/textdoccol.R (replaceWords): Added method to replace a set of
260            words by a single word. Useful for synonyms.
261    
262    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
265    
266    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
267    
268            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
269            vectors. Thanks to Ariel Maguyon for his error report.
270            (removeSparseTerms): New function to remove columns from a
271            term-document matrix exceeding a sparse factor.
272    
273    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
276    
277    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
278    
279            * man/sFilter.Rd: Corrected documentation on statement format (use
280            '==' instead of '=').
281    
282    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * R/aobjects.R (StructuredTextDocument): Inherits from
285            TextDocument.
286    
287  2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289          * R/termdocmatrix.R (findFreqTerms): Perform efficient computation          * R/termdocmatrix.R (findFreqTerms): Perform efficient computation

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