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trunk/tm/ChangeLog revision 731, Wed Apr 11 14:01:40 2007 UTC pkg/ChangeLog revision 954, Wed May 27 18:33:32 2009 UTC
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1    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
4            gracefully.
5    
6    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/corpus.R: Make corpus virtual. Implement corpus with standard
9            and permanent storage semantics.
10    
11            * DESCRIPTION: New major release. A *lot* of improvements.
12    
13    2009-05-04   Ingo Feinerer <feinerer@logic.at>
14    
15            * NAMESPACE: Export some simple_triplet_matrix functions.
16    
17    2009-04-28   Ingo Feinerer <feinerer@logic.at>
18    
19            * R/weight.R: Adapt tf-idf to new matrix format.
20    
21    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
22    
23            * R/matrix.R: Create two distinct classes for term-document and
24            document-term matrices.
25    
26    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
27    
28            * R/termdocmatrix.R: No longer use Matrix package. This reduces
29            package start-up time significantly.
30    
31    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
32    
33            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
34    
35    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/transform.R (tmReduce): Combine multiple maps into one
38            transformation.
39    
40    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/weight.R: Remove weightLogical since it does not return a
43            dgCMatrix.
44    
45            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
46            or TermDocumentMatrix instead.
47    
48    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
49    
50            * inst/doc/extensions.Rnw: Finished vignette.
51    
52    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
53    
54            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
55            DocumentTermMatrix representations.
56    
57    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
58    
59            * R/reader.R (readXML): New reader for arbitrary XML files.
60    
61    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
62    
63            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
64            (XMLSource): New XMLSource class for arbitrary XML files.
65            (Source): New slot Vectorized.
66    
67    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
68    
69            * R/reader.R (readTabular): Experimental reader for tabular data
70            structures which can be customized via user-defined mappings.
71    
72            * R/reader.R: Always use UTC time zone.
73    
74            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
75    
76    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/reader.R (readDOC): Options can be passed over to antiword.
79    
80            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
81            pdftotext.
82    
83    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
84    
85            * R/source.R (DirSource): Add pattern and ignore.case arguments
86            which are internally passed over to list.files().
87    
88    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
89    
90            * inst/doc/tm.Rnw: Suppress pointless loading message.
91    
92    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
93    
94            * DESCRIPTION: Speed up package loading (via moving packages not
95            strictly necessary for normal operation to Suggests instead of
96            Depends).
97    
98    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
99    
100            * R/reader.R (readNewsgroup): The date format is now configurable.
101    
102    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
105    
106    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
107    
108            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
109    
110    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/source.R (DataframeSource): New source class for data frames.
113    
114            * R/source.R: Fixed non-standard call evaluation.
115    
116    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
117    
118            * R/source.R (URISource): New source class for a single document.
119    
120    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
121    
122            * R/source.R: Refactoring.
123    
124    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
125    
126            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
127            Rmpi installations more gracefully.
128    
129    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/source.R (Source): Add Length slot.
132    
133    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
134    
135            * R/AAA.R: Unify duplicated .onLoad function.
136    
137    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
138    
139            * DESCRIPTION (Suggests): Added Rmpi.
140    
141    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
142    
143            * R/source.R (getElem): Fix 'no visible binding' warning.
144    
145            * man/WeightFunction.Rd: Fix signature.
146    
147    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
148    
149            * R/weight.R: Introduce name abbreviations for weighting functions.
150    
151    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
152    
153            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
154    
155            * R/cluster.R: Provide convenience functions for using a MPI
156            cluster.
157    
158            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
159            available.
160    
161            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
162            available.
163    
164    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
165    
166            * R/textdoccol.R (lapply): Removed debug print out.
167    
168    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
169    
170            * R/reader.R (readRCV1): Improved meta data extraction from
171            Reuters Corpus Volume 1 documents.
172    
173    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * R/transform.R: Ensure that all mappings preserve multiline
176            structures.
177    
178    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * R/filter.R: Every filter has now an attribute indicating whether
181            it sould be applied to document level (doclevel).
182    
183            * R/textdoccol.R (tmFilter): Set searchFullText as new default
184            filter.
185    
186    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
187    
188            * R/transform.R (replacePatterns): Replaced removeWords by
189            replacePatterns. Suggested by Christian Buchta.
190    
191            * R/textdoccol.R (inspect): Improved formatting.
192    
193    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * inst/CITATION: Updated JSS article information.
196    
197            * R/textdoccol.R (setAs): Added coerce method from list to
198            corpus.
199    
200            * R/meta.R (meta): Improved meta data handling.
201    
202    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
205            Christian Buchta.
206    
207            * inst/CITATION: Added template to include JSS article reference.
208    
209    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * R/textdoccol.R (tmMap): Introduced lazy mapping.
212    
213            * R/source.R: Added VectorSource.
214    
215    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217            * man/: Language codes should be in ISO 639-1 format.
218    
219            * R/textdoccol.R (asPlain): Preserve local meta data.
220    
221    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/textdoccol.R (writeCorpus): Function for writing a corpus
224            containing plain text documents to disk.
225    
226    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
229            always set correctly.
230    
231            * R/textdoccol.R: Set load = TRUE as default for load on demand
232            since in most cases this is the wanted behaviour.
233    
234    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
237    
238            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
239    
240    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/meta.R (meta): New function for consistent access to meta data
243            of document collections, repositories, and texts.
244    
245    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/: Better support for encodings.
248    
249    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
252            selection when no reader argument is given.
253    
254    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
255    
256            * R/source.R (CSVSource): Now uses read.csv instead of scan
257            internally.
258    
259    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
260    
261            * R/reader.R (getReaders): Returns available reader functions.
262    
263            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
264            as default.
265    
266    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
267    
268            * R/stopwords.R (stopwords): Shortened code, removed codetools
269            variable warnings.
270    
271            * man/: Documentation for showMeta, added an example for tmMap.
272    
273            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
274            some minor typos fixed.
275    
276    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * R/aobjects.R (showMeta): Added method for pretty printing a
279            text document's meta data.
280    
281    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
282    
283            * R/textdoccol.R (TextDocCol): Better handling of empty
284            arguments.
285    
286            * NAMESPACE: Exported readDOC.
287    
288            * man/completeStems.Rd: Added an example.
289    
290    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
291    
292            * R/stopwords.R (stopwords): Look up .dat files at every
293            call. Allows users to modify stopword .dat files interactively.
294    
295    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/termdocmatrix.R (termFreq): Correct processing of empty
298            documents.
299    
300    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * man/: Updated documentation.
303    
304    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
305    
306            * R/complete.R (completeStems): Completes (heuristically) word
307            stems.
308    
309            * R/termdocmatrix.R (TermDocMatrix2): New modular
310            constructor.
311    
312            * NAMESPACE: Exported termFreq.
313    
314    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/reader.R (readDOC): Added MS Word reader (using antiword).
317    
318    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
319    
320            * R/weight.R: Weighting functions for TermDocMatrix.
321    
322    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
323    
324            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
325            functions for accessing dimension, column, and row names.
326    
327            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
328    
329    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
332    
333    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
334    
335            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
336    
337    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * R/reader.R (readPDF): Removed manual checks for pdftotext and
340            pdfinfo. The system call gives a warning anyway.
341    
342    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
343    
344            * R/textdoccol.R (asPlain): Conversion from
345            StructuredTextDocuments to PlainTextDocuments.
346    
347    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
348    
349            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
350            for accessing term-document matrices.
351    
352            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
353            are installed.
354    
355    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
356    
357            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
358            Christian Buchta.
359    
360    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
361    
362            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
363    
364    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
365    
366            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
367    
368            * R/reader.R (readPDF): Added PDF reader.
369    
370    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
371    
372            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
373    
374            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
375    
376            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
377    
378            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
379    
380    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
381    
382            * R/distmeasure.R (dissimilarity): Replaced dists call from
383            package cba by new dist call from package proxy.
384    
385    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
386    
387            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
388    
389    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * R/termdocmatrix.R: require() uses the quietly option to suppress
392            loading messages.
393    
394    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
395    
396            * R/dictionary.R: Added dictionary support.
397    
398    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
401            documents. This simplifies some functions, e.g., asPlain.
402    
403    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
404    
405            * inst/doc/tm.Rnw: Fixed some typos in vignette.
406    
407    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
408    
409            * R/textdoccol.R (replaceWords): Added method to replace a set of
410            words by a single word. Useful for synonyms.
411    
412    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
413    
414            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
415    
416    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
417    
418            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
419            vectors. Thanks to Ariel Maguyon for his error report.
420            (removeSparseTerms): New function to remove columns from a
421            term-document matrix exceeding a sparse factor.
422    
423    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
424    
425            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
426    
427    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
428    
429            * man/sFilter.Rd: Corrected documentation on statement format (use
430            '==' instead of '=').
431    
432    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
433    
434            * R/aobjects.R (StructuredTextDocument): Inherits from
435            TextDocument.
436    
437    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
438    
439            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
440            on sparse matrices as proposed by Martin Maechler.
441    
442    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
443    
444            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
445            \pkg{filehash} version makes them deprecated.
446    
447    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
448    
449            * R/termdocmatrix.R (textvector): Stemming is now performed before
450            erasing stopwords.
451            (weightMatrix): Adapted to handle sparse matrices.
452            (TermDocMatrix): Sparse matrix is now efficiently built by
453            direct stepwise insertion of row values into it.
454    
455    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
456    
457            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
458            due to ongoing problems. For our purposes the latter is as useful
459            as the replaced package.
460    
461    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
462    
463            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
464    
465            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
466    
467    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
468    
469            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
470            languages with available stopwords.
471    
472    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
473    
474            * inst/doc/tm.Rnw: Minor corrections in the vignette.
475    
476  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
477    
478          * inst/stopwords: Updated stopwords.          * DESCRIPTION: Update to version 0.2, since a lot of new features
479            have been integrated.
480    
481            * inst/stopwords: Updated existing stopwords and added stopwords
482            for various other languages.
483    
484  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
485    

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