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revision 711, Tue Jan 30 13:03:55 2007 UTC revision 874, Sat Nov 29 16:24:45 2008 UTC
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1    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/source.R (URISource): New source class for a single document.
4    
5    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
6    
7            * R/source.R: Refactoring.
8    
9    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
10    
11            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
12            Rmpi installations more gracefully.
13    
14    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
15    
16            * R/source.R (Source): Add Length slot.
17    
18    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
19    
20            * R/AAA.R: Unify duplicated .onLoad function.
21    
22    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
23    
24            * DESCRIPTION (Suggests): Added Rmpi.
25    
26    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/source.R (getElem): Fix 'no visible binding' warning.
29    
30            * man/WeightFunction.Rd: Fix signature.
31    
32    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
33    
34            * R/weight.R: Introduce name abbreviations for weighting functions.
35    
36    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
37    
38            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
39    
40            * R/cluster.R: Provide convenience functions for using a MPI
41            cluster.
42    
43            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
44            available.
45    
46            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
47            available.
48    
49    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
50    
51            * R/textdoccol.R (lapply): Removed debug print out.
52    
53    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/reader.R (readRCV1): Improved meta data extraction from
56            Reuters Corpus Volume 1 documents.
57    
58    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/transform.R: Ensure that all mappings preserve multiline
61            structures.
62    
63    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
64    
65            * R/filter.R: Every filter has now an attribute indicating whether
66            it sould be applied to document level (doclevel).
67    
68            * R/textdoccol.R (tmFilter): Set searchFullText as new default
69            filter.
70    
71    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/transform.R (replacePatterns): Replaced removeWords by
74            replacePatterns. Suggested by Christian Buchta.
75    
76            * R/textdoccol.R (inspect): Improved formatting.
77    
78    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * inst/CITATION: Updated JSS article information.
81    
82            * R/textdoccol.R (setAs): Added coerce method from list to
83            corpus.
84    
85            * R/meta.R (meta): Improved meta data handling.
86    
87    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
90            Christian Buchta.
91    
92            * inst/CITATION: Added template to include JSS article reference.
93    
94    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
95    
96            * R/textdoccol.R (tmMap): Introduced lazy mapping.
97    
98            * R/source.R: Added VectorSource.
99    
100    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * man/: Language codes should be in ISO 639-1 format.
103    
104            * R/textdoccol.R (asPlain): Preserve local meta data.
105    
106    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/textdoccol.R (writeCorpus): Function for writing a corpus
109            containing plain text documents to disk.
110    
111    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
114            always set correctly.
115    
116            * R/textdoccol.R: Set load = TRUE as default for load on demand
117            since in most cases this is the wanted behaviour.
118    
119    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
122    
123            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
124    
125    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/meta.R (meta): New function for consistent access to meta data
128            of document collections, repositories, and texts.
129    
130    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/: Better support for encodings.
133    
134    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
137            selection when no reader argument is given.
138    
139    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/source.R (CSVSource): Now uses read.csv instead of scan
142            internally.
143    
144    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * R/reader.R (getReaders): Returns available reader functions.
147    
148            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
149            as default.
150    
151    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * R/stopwords.R (stopwords): Shortened code, removed codetools
154            variable warnings.
155    
156            * man/: Documentation for showMeta, added an example for tmMap.
157    
158            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
159            some minor typos fixed.
160    
161    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/aobjects.R (showMeta): Added method for pretty printing a
164            text document's meta data.
165    
166    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/textdoccol.R (TextDocCol): Better handling of empty
169            arguments.
170    
171            * NAMESPACE: Exported readDOC.
172    
173            * man/completeStems.Rd: Added an example.
174    
175    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/stopwords.R (stopwords): Look up .dat files at every
178            call. Allows users to modify stopword .dat files interactively.
179    
180    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/termdocmatrix.R (termFreq): Correct processing of empty
183            documents.
184    
185    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
186    
187            * man/: Updated documentation.
188    
189    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/complete.R (completeStems): Completes (heuristically) word
192            stems.
193    
194            * R/termdocmatrix.R (TermDocMatrix2): New modular
195            constructor.
196    
197            * NAMESPACE: Exported termFreq.
198    
199    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/reader.R (readDOC): Added MS Word reader (using antiword).
202    
203    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/weight.R: Weighting functions for TermDocMatrix.
206    
207    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
210            functions for accessing dimension, column, and row names.
211    
212            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
213    
214    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
217    
218    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
221    
222    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/reader.R (readPDF): Removed manual checks for pdftotext and
225            pdfinfo. The system call gives a warning anyway.
226    
227    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * R/textdoccol.R (asPlain): Conversion from
230            StructuredTextDocuments to PlainTextDocuments.
231    
232    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
235            for accessing term-document matrices.
236    
237            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
238            are installed.
239    
240    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
243            Christian Buchta.
244    
245    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
248    
249    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
252    
253            * R/reader.R (readPDF): Added PDF reader.
254    
255    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
258    
259            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
260    
261            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
262    
263            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
264    
265    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/distmeasure.R (dissimilarity): Replaced dists call from
268            package cba by new dist call from package proxy.
269    
270    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
273    
274    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
275    
276            * R/termdocmatrix.R: require() uses the quietly option to suppress
277            loading messages.
278    
279    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/dictionary.R: Added dictionary support.
282    
283    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
286            documents. This simplifies some functions, e.g., asPlain.
287    
288    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * inst/doc/tm.Rnw: Fixed some typos in vignette.
291    
292    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
293    
294            * R/textdoccol.R (replaceWords): Added method to replace a set of
295            words by a single word. Useful for synonyms.
296    
297    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
298    
299            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
300    
301    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
302    
303            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
304            vectors. Thanks to Ariel Maguyon for his error report.
305            (removeSparseTerms): New function to remove columns from a
306            term-document matrix exceeding a sparse factor.
307    
308    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
309    
310            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
311    
312    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
313    
314            * man/sFilter.Rd: Corrected documentation on statement format (use
315            '==' instead of '=').
316    
317    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * R/aobjects.R (StructuredTextDocument): Inherits from
320            TextDocument.
321    
322    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
325            on sparse matrices as proposed by Martin Maechler.
326    
327    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
328    
329            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
330            \pkg{filehash} version makes them deprecated.
331    
332    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
333    
334            * R/termdocmatrix.R (textvector): Stemming is now performed before
335            erasing stopwords.
336            (weightMatrix): Adapted to handle sparse matrices.
337            (TermDocMatrix): Sparse matrix is now efficiently built by
338            direct stepwise insertion of row values into it.
339    
340    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
341    
342            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
343            due to ongoing problems. For our purposes the latter is as useful
344            as the replaced package.
345    
346    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
347    
348            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
349    
350            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
351    
352    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
355            languages with available stopwords.
356    
357    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
358    
359            * inst/doc/tm.Rnw: Minor corrections in the vignette.
360    
361    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * DESCRIPTION: Update to version 0.2, since a lot of new features
364            have been integrated.
365    
366            * inst/stopwords: Updated existing stopwords and added stopwords
367            for various other languages.
368    
369    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
370    
371            * man/: Updated documentation.
372    
373            * Work/testDb.R: Script to test database stuff.
374    
375            * R/: Fixed various database related bugs. Seems to be rather
376            useable now, i.e., consider as alpha status for now.
377    
378    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
379    
380            * R/: Fixed some bugs related to database support.
381    
382    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
383    
384            * man/: Added a lot of examples to the manuals.
385    
386    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
387    
388            * man/: Updated parts of the documentation.
389    
390            * R/textdoccol.R (asPlain): Added conversion from newsgroup
391            documents to plain text documents.
392    
393    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
394    
395            * R/textdoccol.R: Finished experimental database support. Not yet
396            intensively tested.
397    
398            * R/source.R: Now each source has a default reader.
399    
400            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
401            class anymore.
402    
403            * R/plaintextdoc.R: Custom show method for plain text documents.
404    
405            * R/aobjects.R: Added a class for structured text documents.
406    
407            * R/reader.R: Replaced remaining \code{parser} occurrences with
408            \code{reader}.
409    
410            * R/textdoccol.R (summary): Indent tags.
411    
412            * R/textdoccol.R (removePunctuation): Transform method to remove
413            punctuation marks.
414    
415    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
416    
417            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
418            using prescindMeta().
419    
420    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
421    
422            * R/textdoccol.R: Improved database support.
423    
424    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
425    
426            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
427    
428            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
429            language code.
430    
431            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
432            into parserControl argument.
433    
434            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
435    
436    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
437    
438            * Work/tmDataSetup.R: The datasets acq and crude can now be
439            created on the fly.
440    
441            * R/stopwords.R: Introduced a function returning the stopwords for
442            a given language (English, German and French at the moment)
443    
444            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
445            otherwise falls back to Snowball package.
446    
447  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
448    
449          * man/dissimilarity-methods.Rd: Make clear that any method offered          * man/dissimilarity-methods.Rd: Make clear that any method offered

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