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revision 719, Sun Mar 18 09:24:47 2007 UTC revision 882, Thu Jan 8 15:35:49 2009 UTC
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1    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readNewsgroup): The date format is now configurable.
4    
5    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
8    
9    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
10    
11            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
12    
13    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
14    
15            * R/source.R (DataframeSource): New source class for data frames.
16    
17            * R/source.R: Fixed non-standard call evaluation.
18    
19    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
20    
21            * R/source.R (URISource): New source class for a single document.
22    
23    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
24    
25            * R/source.R: Refactoring.
26    
27    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
28    
29            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
30            Rmpi installations more gracefully.
31    
32    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/source.R (Source): Add Length slot.
35    
36    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/AAA.R: Unify duplicated .onLoad function.
39    
40    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
41    
42            * DESCRIPTION (Suggests): Added Rmpi.
43    
44    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
45    
46            * R/source.R (getElem): Fix 'no visible binding' warning.
47    
48            * man/WeightFunction.Rd: Fix signature.
49    
50    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
51    
52            * R/weight.R: Introduce name abbreviations for weighting functions.
53    
54    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
57    
58            * R/cluster.R: Provide convenience functions for using a MPI
59            cluster.
60    
61            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
62            available.
63    
64            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
65            available.
66    
67    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/textdoccol.R (lapply): Removed debug print out.
70    
71    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/reader.R (readRCV1): Improved meta data extraction from
74            Reuters Corpus Volume 1 documents.
75    
76    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * R/transform.R: Ensure that all mappings preserve multiline
79            structures.
80    
81    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/filter.R: Every filter has now an attribute indicating whether
84            it sould be applied to document level (doclevel).
85    
86            * R/textdoccol.R (tmFilter): Set searchFullText as new default
87            filter.
88    
89    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/transform.R (replacePatterns): Replaced removeWords by
92            replacePatterns. Suggested by Christian Buchta.
93    
94            * R/textdoccol.R (inspect): Improved formatting.
95    
96    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * inst/CITATION: Updated JSS article information.
99    
100            * R/textdoccol.R (setAs): Added coerce method from list to
101            corpus.
102    
103            * R/meta.R (meta): Improved meta data handling.
104    
105    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
108            Christian Buchta.
109    
110            * inst/CITATION: Added template to include JSS article reference.
111    
112    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/textdoccol.R (tmMap): Introduced lazy mapping.
115    
116            * R/source.R: Added VectorSource.
117    
118    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * man/: Language codes should be in ISO 639-1 format.
121    
122            * R/textdoccol.R (asPlain): Preserve local meta data.
123    
124    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/textdoccol.R (writeCorpus): Function for writing a corpus
127            containing plain text documents to disk.
128    
129    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
132            always set correctly.
133    
134            * R/textdoccol.R: Set load = TRUE as default for load on demand
135            since in most cases this is the wanted behaviour.
136    
137    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
140    
141            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
142    
143    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/meta.R (meta): New function for consistent access to meta data
146            of document collections, repositories, and texts.
147    
148    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/: Better support for encodings.
151    
152    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
155            selection when no reader argument is given.
156    
157    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/source.R (CSVSource): Now uses read.csv instead of scan
160            internally.
161    
162    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/reader.R (getReaders): Returns available reader functions.
165    
166            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
167            as default.
168    
169    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * R/stopwords.R (stopwords): Shortened code, removed codetools
172            variable warnings.
173    
174            * man/: Documentation for showMeta, added an example for tmMap.
175    
176            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
177            some minor typos fixed.
178    
179    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/aobjects.R (showMeta): Added method for pretty printing a
182            text document's meta data.
183    
184    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/textdoccol.R (TextDocCol): Better handling of empty
187            arguments.
188    
189            * NAMESPACE: Exported readDOC.
190    
191            * man/completeStems.Rd: Added an example.
192    
193    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/stopwords.R (stopwords): Look up .dat files at every
196            call. Allows users to modify stopword .dat files interactively.
197    
198    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * R/termdocmatrix.R (termFreq): Correct processing of empty
201            documents.
202    
203    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * man/: Updated documentation.
206    
207    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/complete.R (completeStems): Completes (heuristically) word
210            stems.
211    
212            * R/termdocmatrix.R (TermDocMatrix2): New modular
213            constructor.
214    
215            * NAMESPACE: Exported termFreq.
216    
217    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/reader.R (readDOC): Added MS Word reader (using antiword).
220    
221    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/weight.R: Weighting functions for TermDocMatrix.
224    
225    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
226    
227            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
228            functions for accessing dimension, column, and row names.
229    
230            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
231    
232    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
235    
236    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
239    
240    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/reader.R (readPDF): Removed manual checks for pdftotext and
243            pdfinfo. The system call gives a warning anyway.
244    
245    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/textdoccol.R (asPlain): Conversion from
248            StructuredTextDocuments to PlainTextDocuments.
249    
250    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
251    
252            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
253            for accessing term-document matrices.
254    
255            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
256            are installed.
257    
258    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
261            Christian Buchta.
262    
263    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
264    
265            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
266    
267    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
268    
269            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
270    
271            * R/reader.R (readPDF): Added PDF reader.
272    
273    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
276    
277            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
278    
279            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
280    
281            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
282    
283    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/distmeasure.R (dissimilarity): Replaced dists call from
286            package cba by new dist call from package proxy.
287    
288    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
291    
292    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * R/termdocmatrix.R: require() uses the quietly option to suppress
295            loading messages.
296    
297    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * R/dictionary.R: Added dictionary support.
300    
301    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
302    
303            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
304            documents. This simplifies some functions, e.g., asPlain.
305    
306    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
307    
308            * inst/doc/tm.Rnw: Fixed some typos in vignette.
309    
310    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
311    
312            * R/textdoccol.R (replaceWords): Added method to replace a set of
313            words by a single word. Useful for synonyms.
314    
315    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
318    
319    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
322            vectors. Thanks to Ariel Maguyon for his error report.
323            (removeSparseTerms): New function to remove columns from a
324            term-document matrix exceeding a sparse factor.
325    
326    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
329    
330    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * man/sFilter.Rd: Corrected documentation on statement format (use
333            '==' instead of '=').
334    
335    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
336    
337            * R/aobjects.R (StructuredTextDocument): Inherits from
338            TextDocument.
339    
340    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
343            on sparse matrices as proposed by Martin Maechler.
344    
345    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
346    
347            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
348            \pkg{filehash} version makes them deprecated.
349    
350    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
351    
352            * R/termdocmatrix.R (textvector): Stemming is now performed before
353            erasing stopwords.
354            (weightMatrix): Adapted to handle sparse matrices.
355            (TermDocMatrix): Sparse matrix is now efficiently built by
356            direct stepwise insertion of row values into it.
357    
358    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
359    
360            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
361            due to ongoing problems. For our purposes the latter is as useful
362            as the replaced package.
363    
364    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
367    
368            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
369    
370    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
373            languages with available stopwords.
374    
375    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
376    
377            * inst/doc/tm.Rnw: Minor corrections in the vignette.
378    
379    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
380    
381            * DESCRIPTION: Update to version 0.2, since a lot of new features
382            have been integrated.
383    
384            * inst/stopwords: Updated existing stopwords and added stopwords
385            for various other languages.
386    
387    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * man/: Updated documentation.
390    
391            * Work/testDb.R: Script to test database stuff.
392    
393            * R/: Fixed various database related bugs. Seems to be rather
394            useable now, i.e., consider as alpha status for now.
395    
396    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
397    
398            * R/: Fixed some bugs related to database support.
399    
400    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
401    
402            * man/: Added a lot of examples to the manuals.
403    
404    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
405    
406            * man/: Updated parts of the documentation.
407    
408            * R/textdoccol.R (asPlain): Added conversion from newsgroup
409            documents to plain text documents.
410    
411    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
412    
413            * R/textdoccol.R: Finished experimental database support. Not yet
414            intensively tested.
415    
416            * R/source.R: Now each source has a default reader.
417    
418            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
419            class anymore.
420    
421            * R/plaintextdoc.R: Custom show method for plain text documents.
422    
423            * R/aobjects.R: Added a class for structured text documents.
424    
425            * R/reader.R: Replaced remaining \code{parser} occurrences with
426            \code{reader}.
427    
428            * R/textdoccol.R (summary): Indent tags.
429    
430            * R/textdoccol.R (removePunctuation): Transform method to remove
431            punctuation marks.
432    
433    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
434    
435            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
436            using prescindMeta().
437    
438  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
439    
440          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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