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trunk/tm/ChangeLog revision 738, Fri Apr 20 13:55:34 2007 UTC pkg/ChangeLog revision 960, Fri Jun 26 17:43:45 2009 UTC
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1    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
4            plain text document instead of an XML document for texts of the
5            Reuters-21578 dataset.
6    
7            * R/sparse.R: Removed since the slam package is now available on
8            CRAN.
9    
10            * DESCRIPTION (Depends): Add slam package.
11    
12    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
13    
14            * R/transform.R (stemDoc): Fix character(0) handling.
15    
16    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/doc.R (show): Pretty print.
19    
20    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
21    
22            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
23            gracefully.
24    
25    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
26    
27            * R/corpus.R: Make corpus virtual. Implement corpus with standard
28            and permanent storage semantics.
29    
30            * DESCRIPTION: New major release. A *lot* of improvements.
31    
32    2009-05-04   Ingo Feinerer <feinerer@logic.at>
33    
34            * NAMESPACE: Export some simple_triplet_matrix functions.
35    
36    2009-04-28   Ingo Feinerer <feinerer@logic.at>
37    
38            * R/weight.R: Adapt tf-idf to new matrix format.
39    
40    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/matrix.R: Create two distinct classes for term-document and
43            document-term matrices.
44    
45    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
46    
47            * R/termdocmatrix.R: No longer use Matrix package. This reduces
48            package start-up time significantly.
49    
50    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
51    
52            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
53    
54    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
55    
56            * R/transform.R (tmReduce): Combine multiple maps into one
57            transformation.
58    
59    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
60    
61            * R/weight.R: Remove weightLogical since it does not return a
62            dgCMatrix.
63    
64            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
65            or TermDocumentMatrix instead.
66    
67    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
68    
69            * inst/doc/extensions.Rnw: Finished vignette.
70    
71    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
72    
73            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
74            DocumentTermMatrix representations.
75    
76    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
77    
78            * R/reader.R (readXML): New reader for arbitrary XML files.
79    
80    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
81    
82            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
83            (XMLSource): New XMLSource class for arbitrary XML files.
84            (Source): New slot Vectorized.
85    
86    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/reader.R (readTabular): Experimental reader for tabular data
89            structures which can be customized via user-defined mappings.
90    
91            * R/reader.R: Always use UTC time zone.
92    
93            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
94    
95    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/reader.R (readDOC): Options can be passed over to antiword.
98    
99            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
100            pdftotext.
101    
102    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
103    
104            * R/source.R (DirSource): Add pattern and ignore.case arguments
105            which are internally passed over to list.files().
106    
107    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
108    
109            * inst/doc/tm.Rnw: Suppress pointless loading message.
110    
111    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
112    
113            * DESCRIPTION: Speed up package loading (via moving packages not
114            strictly necessary for normal operation to Suggests instead of
115            Depends).
116    
117    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/reader.R (readNewsgroup): The date format is now configurable.
120    
121    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
122    
123            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
124    
125    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
126    
127            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
128    
129    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
130    
131            * R/source.R (DataframeSource): New source class for data frames.
132    
133            * R/source.R: Fixed non-standard call evaluation.
134    
135    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
136    
137            * R/source.R (URISource): New source class for a single document.
138    
139    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
140    
141            * R/source.R: Refactoring.
142    
143    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
144    
145            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
146            Rmpi installations more gracefully.
147    
148    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
149    
150            * R/source.R (Source): Add Length slot.
151    
152    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
153    
154            * R/AAA.R: Unify duplicated .onLoad function.
155    
156    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
157    
158            * DESCRIPTION (Suggests): Added Rmpi.
159    
160    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
161    
162            * R/source.R (getElem): Fix 'no visible binding' warning.
163    
164            * man/WeightFunction.Rd: Fix signature.
165    
166    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
167    
168            * R/weight.R: Introduce name abbreviations for weighting functions.
169    
170    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
171    
172            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
173    
174            * R/cluster.R: Provide convenience functions for using a MPI
175            cluster.
176    
177            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
178            available.
179    
180            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
181            available.
182    
183    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
184    
185            * R/textdoccol.R (lapply): Removed debug print out.
186    
187    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/reader.R (readRCV1): Improved meta data extraction from
190            Reuters Corpus Volume 1 documents.
191    
192    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * R/transform.R: Ensure that all mappings preserve multiline
195            structures.
196    
197    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/filter.R: Every filter has now an attribute indicating whether
200            it sould be applied to document level (doclevel).
201    
202            * R/textdoccol.R (tmFilter): Set searchFullText as new default
203            filter.
204    
205    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
206    
207            * R/transform.R (replacePatterns): Replaced removeWords by
208            replacePatterns. Suggested by Christian Buchta.
209    
210            * R/textdoccol.R (inspect): Improved formatting.
211    
212    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * inst/CITATION: Updated JSS article information.
215    
216            * R/textdoccol.R (setAs): Added coerce method from list to
217            corpus.
218    
219            * R/meta.R (meta): Improved meta data handling.
220    
221    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
224            Christian Buchta.
225    
226            * inst/CITATION: Added template to include JSS article reference.
227    
228    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * R/textdoccol.R (tmMap): Introduced lazy mapping.
231    
232            * R/source.R: Added VectorSource.
233    
234    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
235    
236            * man/: Language codes should be in ISO 639-1 format.
237    
238            * R/textdoccol.R (asPlain): Preserve local meta data.
239    
240    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/textdoccol.R (writeCorpus): Function for writing a corpus
243            containing plain text documents to disk.
244    
245    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
248            always set correctly.
249    
250            * R/textdoccol.R: Set load = TRUE as default for load on demand
251            since in most cases this is the wanted behaviour.
252    
253    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
256    
257            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
258    
259    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
260    
261            * R/meta.R (meta): New function for consistent access to meta data
262            of document collections, repositories, and texts.
263    
264    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
265    
266            * R/: Better support for encodings.
267    
268    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
271            selection when no reader argument is given.
272    
273    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
274    
275            * R/source.R (CSVSource): Now uses read.csv instead of scan
276            internally.
277    
278    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
279    
280            * R/reader.R (getReaders): Returns available reader functions.
281    
282            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
283            as default.
284    
285    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
286    
287            * R/stopwords.R (stopwords): Shortened code, removed codetools
288            variable warnings.
289    
290            * man/: Documentation for showMeta, added an example for tmMap.
291    
292            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
293            some minor typos fixed.
294    
295    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
296    
297            * R/aobjects.R (showMeta): Added method for pretty printing a
298            text document's meta data.
299    
300    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/textdoccol.R (TextDocCol): Better handling of empty
303            arguments.
304    
305            * NAMESPACE: Exported readDOC.
306    
307            * man/completeStems.Rd: Added an example.
308    
309    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * R/stopwords.R (stopwords): Look up .dat files at every
312            call. Allows users to modify stopword .dat files interactively.
313    
314    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
315    
316            * R/termdocmatrix.R (termFreq): Correct processing of empty
317            documents.
318    
319    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
320    
321            * man/: Updated documentation.
322    
323    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
324    
325            * R/complete.R (completeStems): Completes (heuristically) word
326            stems.
327    
328            * R/termdocmatrix.R (TermDocMatrix2): New modular
329            constructor.
330    
331            * NAMESPACE: Exported termFreq.
332    
333    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
334    
335            * R/reader.R (readDOC): Added MS Word reader (using antiword).
336    
337    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * R/weight.R: Weighting functions for TermDocMatrix.
340    
341    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
344            functions for accessing dimension, column, and row names.
345    
346            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
347    
348    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
349    
350            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
351    
352    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
355    
356    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
357    
358            * R/reader.R (readPDF): Removed manual checks for pdftotext and
359            pdfinfo. The system call gives a warning anyway.
360    
361    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
362    
363            * R/textdoccol.R (asPlain): Conversion from
364            StructuredTextDocuments to PlainTextDocuments.
365    
366    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
367    
368            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
369            for accessing term-document matrices.
370    
371            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
372            are installed.
373    
374    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
375    
376            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
377            Christian Buchta.
378    
379    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
380    
381            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
382    
383    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
384    
385            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
386    
387            * R/reader.R (readPDF): Added PDF reader.
388    
389    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
392    
393            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
394    
395            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
396    
397            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
398    
399    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
400    
401            * R/distmeasure.R (dissimilarity): Replaced dists call from
402            package cba by new dist call from package proxy.
403    
404    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
405    
406            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
407    
408    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
409    
410            * R/termdocmatrix.R: require() uses the quietly option to suppress
411            loading messages.
412    
413    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
414    
415            * R/dictionary.R: Added dictionary support.
416    
417    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
418    
419            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
420            documents. This simplifies some functions, e.g., asPlain.
421    
422    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
423    
424            * inst/doc/tm.Rnw: Fixed some typos in vignette.
425    
426    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
427    
428            * R/textdoccol.R (replaceWords): Added method to replace a set of
429            words by a single word. Useful for synonyms.
430    
431    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
432    
433            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
434    
435    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
436    
437            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
438            vectors. Thanks to Ariel Maguyon for his error report.
439            (removeSparseTerms): New function to remove columns from a
440            term-document matrix exceeding a sparse factor.
441    
442    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
443    
444            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
445    
446    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * man/sFilter.Rd: Corrected documentation on statement format (use
449            '==' instead of '=').
450    
451    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
452    
453            * R/aobjects.R (StructuredTextDocument): Inherits from
454            TextDocument.
455    
456    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
457    
458            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
459            on sparse matrices as proposed by Martin Maechler.
460    
461    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
462    
463            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
464            \pkg{filehash} version makes them deprecated.
465    
466    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
467    
468            * R/termdocmatrix.R (textvector): Stemming is now performed before
469            erasing stopwords.
470            (weightMatrix): Adapted to handle sparse matrices.
471            (TermDocMatrix): Sparse matrix is now efficiently built by
472            direct stepwise insertion of row values into it.
473    
474    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
475    
476            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
477            due to ongoing problems. For our purposes the latter is as useful
478            as the replaced package.
479    
480  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
481    
482          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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