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revision 731, Wed Apr 11 14:01:40 2007 UTC revision 872, Tue Nov 25 16:36:08 2008 UTC
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1    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
4            Rmpi installations more gracefully.
5    
6    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/source.R (Source): Add Length slot.
9    
10    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
11    
12            * R/AAA.R: Unify duplicated .onLoad function.
13    
14    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
15    
16            * DESCRIPTION (Suggests): Added Rmpi.
17    
18    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
19    
20            * R/source.R (getElem): Fix 'no visible binding' warning.
21    
22            * man/WeightFunction.Rd: Fix signature.
23    
24    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
25    
26            * R/weight.R: Introduce name abbreviations for weighting functions.
27    
28    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
29    
30            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
31    
32            * R/cluster.R: Provide convenience functions for using a MPI
33            cluster.
34    
35            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
36            available.
37    
38            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
39            available.
40    
41    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
42    
43            * R/textdoccol.R (lapply): Removed debug print out.
44    
45    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/reader.R (readRCV1): Improved meta data extraction from
48            Reuters Corpus Volume 1 documents.
49    
50    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * R/transform.R: Ensure that all mappings preserve multiline
53            structures.
54    
55    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * R/filter.R: Every filter has now an attribute indicating whether
58            it sould be applied to document level (doclevel).
59    
60            * R/textdoccol.R (tmFilter): Set searchFullText as new default
61            filter.
62    
63    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/transform.R (replacePatterns): Replaced removeWords by
66            replacePatterns. Suggested by Christian Buchta.
67    
68            * R/textdoccol.R (inspect): Improved formatting.
69    
70    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * inst/CITATION: Updated JSS article information.
73    
74            * R/textdoccol.R (setAs): Added coerce method from list to
75            corpus.
76    
77            * R/meta.R (meta): Improved meta data handling.
78    
79    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
82            Christian Buchta.
83    
84            * inst/CITATION: Added template to include JSS article reference.
85    
86    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/textdoccol.R (tmMap): Introduced lazy mapping.
89    
90            * R/source.R: Added VectorSource.
91    
92    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * man/: Language codes should be in ISO 639-1 format.
95    
96            * R/textdoccol.R (asPlain): Preserve local meta data.
97    
98    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/textdoccol.R (writeCorpus): Function for writing a corpus
101            containing plain text documents to disk.
102    
103    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
106            always set correctly.
107    
108            * R/textdoccol.R: Set load = TRUE as default for load on demand
109            since in most cases this is the wanted behaviour.
110    
111    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
114    
115            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
116    
117    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * R/meta.R (meta): New function for consistent access to meta data
120            of document collections, repositories, and texts.
121    
122    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/: Better support for encodings.
125    
126    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
129            selection when no reader argument is given.
130    
131    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/source.R (CSVSource): Now uses read.csv instead of scan
134            internally.
135    
136    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/reader.R (getReaders): Returns available reader functions.
139    
140            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
141            as default.
142    
143    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/stopwords.R (stopwords): Shortened code, removed codetools
146            variable warnings.
147    
148            * man/: Documentation for showMeta, added an example for tmMap.
149    
150            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
151            some minor typos fixed.
152    
153    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
154    
155            * R/aobjects.R (showMeta): Added method for pretty printing a
156            text document's meta data.
157    
158    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * R/textdoccol.R (TextDocCol): Better handling of empty
161            arguments.
162    
163            * NAMESPACE: Exported readDOC.
164    
165            * man/completeStems.Rd: Added an example.
166    
167    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/stopwords.R (stopwords): Look up .dat files at every
170            call. Allows users to modify stopword .dat files interactively.
171    
172    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/termdocmatrix.R (termFreq): Correct processing of empty
175            documents.
176    
177    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
178    
179            * man/: Updated documentation.
180    
181    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
182    
183            * R/complete.R (completeStems): Completes (heuristically) word
184            stems.
185    
186            * R/termdocmatrix.R (TermDocMatrix2): New modular
187            constructor.
188    
189            * NAMESPACE: Exported termFreq.
190    
191    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
192    
193            * R/reader.R (readDOC): Added MS Word reader (using antiword).
194    
195    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * R/weight.R: Weighting functions for TermDocMatrix.
198    
199    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
202            functions for accessing dimension, column, and row names.
203    
204            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
205    
206    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
207    
208            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
209    
210    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
211    
212            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
213    
214    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * R/reader.R (readPDF): Removed manual checks for pdftotext and
217            pdfinfo. The system call gives a warning anyway.
218    
219    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * R/textdoccol.R (asPlain): Conversion from
222            StructuredTextDocuments to PlainTextDocuments.
223    
224    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
225    
226            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
227            for accessing term-document matrices.
228    
229            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
230            are installed.
231    
232    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
235            Christian Buchta.
236    
237    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
238    
239            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
240    
241    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
244    
245            * R/reader.R (readPDF): Added PDF reader.
246    
247    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
250    
251            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
252    
253            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
254    
255            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
256    
257    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * R/distmeasure.R (dissimilarity): Replaced dists call from
260            package cba by new dist call from package proxy.
261    
262    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
265    
266    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
267    
268            * R/termdocmatrix.R: require() uses the quietly option to suppress
269            loading messages.
270    
271    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
272    
273            * R/dictionary.R: Added dictionary support.
274    
275    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
276    
277            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
278            documents. This simplifies some functions, e.g., asPlain.
279    
280    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * inst/doc/tm.Rnw: Fixed some typos in vignette.
283    
284    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
285    
286            * R/textdoccol.R (replaceWords): Added method to replace a set of
287            words by a single word. Useful for synonyms.
288    
289    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
290    
291            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
292    
293    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
296            vectors. Thanks to Ariel Maguyon for his error report.
297            (removeSparseTerms): New function to remove columns from a
298            term-document matrix exceeding a sparse factor.
299    
300    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
303    
304    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * man/sFilter.Rd: Corrected documentation on statement format (use
307            '==' instead of '=').
308    
309    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * R/aobjects.R (StructuredTextDocument): Inherits from
312            TextDocument.
313    
314    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
317            on sparse matrices as proposed by Martin Maechler.
318    
319    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
322            \pkg{filehash} version makes them deprecated.
323    
324    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326            * R/termdocmatrix.R (textvector): Stemming is now performed before
327            erasing stopwords.
328            (weightMatrix): Adapted to handle sparse matrices.
329            (TermDocMatrix): Sparse matrix is now efficiently built by
330            direct stepwise insertion of row values into it.
331    
332    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
335            due to ongoing problems. For our purposes the latter is as useful
336            as the replaced package.
337    
338    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
341    
342            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
343    
344    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
345    
346            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
347            languages with available stopwords.
348    
349    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
350    
351            * inst/doc/tm.Rnw: Minor corrections in the vignette.
352    
353  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355          * inst/stopwords: Updated stopwords.          * DESCRIPTION: Update to version 0.2, since a lot of new features
356            have been integrated.
357    
358            * inst/stopwords: Updated existing stopwords and added stopwords
359            for various other languages.
360    
361  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    

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