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revision 738, Fri Apr 20 13:55:34 2007 UTC revision 881, Sat Dec 20 09:06:13 2008 UTC
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1    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
4    
5    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
8    
9    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
10    
11            * R/source.R (DataframeSource): New source class for data frames.
12    
13            * R/source.R: Fixed non-standard call evaluation.
14    
15    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
16    
17            * R/source.R (URISource): New source class for a single document.
18    
19    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/source.R: Refactoring.
22    
23    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
26            Rmpi installations more gracefully.
27    
28    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/source.R (Source): Add Length slot.
31    
32    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/AAA.R: Unify duplicated .onLoad function.
35    
36    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
37    
38            * DESCRIPTION (Suggests): Added Rmpi.
39    
40    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/source.R (getElem): Fix 'no visible binding' warning.
43    
44            * man/WeightFunction.Rd: Fix signature.
45    
46    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
47    
48            * R/weight.R: Introduce name abbreviations for weighting functions.
49    
50    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
53    
54            * R/cluster.R: Provide convenience functions for using a MPI
55            cluster.
56    
57            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
58            available.
59    
60            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
61            available.
62    
63    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
64    
65            * R/textdoccol.R (lapply): Removed debug print out.
66    
67    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/reader.R (readRCV1): Improved meta data extraction from
70            Reuters Corpus Volume 1 documents.
71    
72    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/transform.R: Ensure that all mappings preserve multiline
75            structures.
76    
77    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/filter.R: Every filter has now an attribute indicating whether
80            it sould be applied to document level (doclevel).
81    
82            * R/textdoccol.R (tmFilter): Set searchFullText as new default
83            filter.
84    
85    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
86    
87            * R/transform.R (replacePatterns): Replaced removeWords by
88            replacePatterns. Suggested by Christian Buchta.
89    
90            * R/textdoccol.R (inspect): Improved formatting.
91    
92    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * inst/CITATION: Updated JSS article information.
95    
96            * R/textdoccol.R (setAs): Added coerce method from list to
97            corpus.
98    
99            * R/meta.R (meta): Improved meta data handling.
100    
101    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
102    
103            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
104            Christian Buchta.
105    
106            * inst/CITATION: Added template to include JSS article reference.
107    
108    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/textdoccol.R (tmMap): Introduced lazy mapping.
111    
112            * R/source.R: Added VectorSource.
113    
114    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * man/: Language codes should be in ISO 639-1 format.
117    
118            * R/textdoccol.R (asPlain): Preserve local meta data.
119    
120    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/textdoccol.R (writeCorpus): Function for writing a corpus
123            containing plain text documents to disk.
124    
125    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
128            always set correctly.
129    
130            * R/textdoccol.R: Set load = TRUE as default for load on demand
131            since in most cases this is the wanted behaviour.
132    
133    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
136    
137            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
138    
139    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/meta.R (meta): New function for consistent access to meta data
142            of document collections, repositories, and texts.
143    
144    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * R/: Better support for encodings.
147    
148    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
151            selection when no reader argument is given.
152    
153    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
154    
155            * R/source.R (CSVSource): Now uses read.csv instead of scan
156            internally.
157    
158    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * R/reader.R (getReaders): Returns available reader functions.
161    
162            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
163            as default.
164    
165    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * R/stopwords.R (stopwords): Shortened code, removed codetools
168            variable warnings.
169    
170            * man/: Documentation for showMeta, added an example for tmMap.
171    
172            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
173            some minor typos fixed.
174    
175    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/aobjects.R (showMeta): Added method for pretty printing a
178            text document's meta data.
179    
180    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/textdoccol.R (TextDocCol): Better handling of empty
183            arguments.
184    
185            * NAMESPACE: Exported readDOC.
186    
187            * man/completeStems.Rd: Added an example.
188    
189    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/stopwords.R (stopwords): Look up .dat files at every
192            call. Allows users to modify stopword .dat files interactively.
193    
194    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * R/termdocmatrix.R (termFreq): Correct processing of empty
197            documents.
198    
199    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * man/: Updated documentation.
202    
203    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/complete.R (completeStems): Completes (heuristically) word
206            stems.
207    
208            * R/termdocmatrix.R (TermDocMatrix2): New modular
209            constructor.
210    
211            * NAMESPACE: Exported termFreq.
212    
213    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/reader.R (readDOC): Added MS Word reader (using antiword).
216    
217    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/weight.R: Weighting functions for TermDocMatrix.
220    
221    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
224            functions for accessing dimension, column, and row names.
225    
226            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
227    
228    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
231    
232    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
235    
236    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * R/reader.R (readPDF): Removed manual checks for pdftotext and
239            pdfinfo. The system call gives a warning anyway.
240    
241    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * R/textdoccol.R (asPlain): Conversion from
244            StructuredTextDocuments to PlainTextDocuments.
245    
246    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
247    
248            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
249            for accessing term-document matrices.
250    
251            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
252            are installed.
253    
254    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
257            Christian Buchta.
258    
259    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
260    
261            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
262    
263    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
266    
267            * R/reader.R (readPDF): Added PDF reader.
268    
269    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
270    
271            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
272    
273            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
274    
275            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
276    
277            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
278    
279    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/distmeasure.R (dissimilarity): Replaced dists call from
282            package cba by new dist call from package proxy.
283    
284    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
287    
288    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * R/termdocmatrix.R: require() uses the quietly option to suppress
291            loading messages.
292    
293    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * R/dictionary.R: Added dictionary support.
296    
297    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
300            documents. This simplifies some functions, e.g., asPlain.
301    
302    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
303    
304            * inst/doc/tm.Rnw: Fixed some typos in vignette.
305    
306    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * R/textdoccol.R (replaceWords): Added method to replace a set of
309            words by a single word. Useful for synonyms.
310    
311    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
312    
313            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
314    
315    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
318            vectors. Thanks to Ariel Maguyon for his error report.
319            (removeSparseTerms): New function to remove columns from a
320            term-document matrix exceeding a sparse factor.
321    
322    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
325    
326    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * man/sFilter.Rd: Corrected documentation on statement format (use
329            '==' instead of '=').
330    
331    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
332    
333            * R/aobjects.R (StructuredTextDocument): Inherits from
334            TextDocument.
335    
336    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
337    
338            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
339            on sparse matrices as proposed by Martin Maechler.
340    
341    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
344            \pkg{filehash} version makes them deprecated.
345    
346    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * R/termdocmatrix.R (textvector): Stemming is now performed before
349            erasing stopwords.
350            (weightMatrix): Adapted to handle sparse matrices.
351            (TermDocMatrix): Sparse matrix is now efficiently built by
352            direct stepwise insertion of row values into it.
353    
354    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
355    
356            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
357            due to ongoing problems. For our purposes the latter is as useful
358            as the replaced package.
359    
360  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
361    
362          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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