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trunk/tm/ChangeLog revision 738, Fri Apr 20 13:55:34 2007 UTC pkg/ChangeLog revision 973, Sat Jul 4 08:10:25 2009 UTC
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1    2009-07-04  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
4            postings are basically e-mails with some extra headers.
5    
6    2009-07-03  Ingo Feinerer  <feinerer@logic.at>
7    
8            * R/transform.R: Move removeCitation, removeMultipart, and
9            removeSignature to the tau package since they are mainly utility
10            functions (for handling e-mails) and not very framework specific.
11    
12    2009-06-28  Ingo Feinerer  <feinerer@logic.at>
13    
14            * man/: Fix documentation.
15    
16    2009-06-26  Ingo Feinerer  <feinerer@logic.at>
17    
18            * R/reader.R (readReut21578XMLasPlain): New reader which returns a
19            plain text document instead of an XML document for texts of the
20            Reuters-21578 dataset.
21    
22            * R/sparse.R: Removed since the slam package is now available on
23            CRAN.
24    
25            * DESCRIPTION (Depends): Add slam package.
26    
27    2009-06-17  Ingo Feinerer  <feinerer@logic.at>
28    
29            * R/transform.R (stemDoc): Fix character(0) handling.
30    
31    2009-06-12  Ingo Feinerer  <feinerer@logic.at>
32    
33            * R/doc.R (show): Pretty print.
34    
35    2009-05-27  Ingo Feinerer  <feinerer@logic.at>
36    
37            * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
38            gracefully.
39    
40    2009-05-13  Ingo Feinerer  <feinerer@logic.at>
41    
42            * R/corpus.R: Make corpus virtual. Implement corpus with standard
43            and permanent storage semantics.
44    
45            * DESCRIPTION: New major release. A *lot* of improvements.
46    
47    2009-05-04   Ingo Feinerer <feinerer@logic.at>
48    
49            * NAMESPACE: Export some simple_triplet_matrix functions.
50    
51    2009-04-28   Ingo Feinerer <feinerer@logic.at>
52    
53            * R/weight.R: Adapt tf-idf to new matrix format.
54    
55    2009-04-27  Ingo Feinerer  <feinerer@logic.at>
56    
57            * R/matrix.R: Create two distinct classes for term-document and
58            document-term matrices.
59    
60    2009-04-26  Ingo Feinerer  <feinerer@logic.at>
61    
62            * R/termdocmatrix.R: No longer use Matrix package. This reduces
63            package start-up time significantly.
64    
65    2009-04-11  Ingo Feinerer  <feinerer@logic.at>
66    
67            * inst/doc/tm.Rnw: Fix code/documentation mismatch.
68    
69    2009-04-04  Ingo Feinerer  <feinerer@logic.at>
70    
71            * R/transform.R (tmReduce): Combine multiple maps into one
72            transformation.
73    
74    2009-04-03  Ingo Feinerer  <feinerer@logic.at>
75    
76            * R/weight.R: Remove weightLogical since it does not return a
77            dgCMatrix.
78    
79            * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
80            or TermDocumentMatrix instead.
81    
82    2009-03-28  Ingo Feinerer  <feinerer@logic.at>
83    
84            * inst/doc/extensions.Rnw: Finished vignette.
85    
86    2009-03-27  Ingo Feinerer  <feinerer@logic.at>
87    
88            * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
89            DocumentTermMatrix representations.
90    
91    2009-03-23  Ingo Feinerer  <feinerer@logic.at>
92    
93            * R/reader.R (readXML): New reader for arbitrary XML files.
94    
95    2009-03-22  Ingo Feinerer  <feinerer@logic.at>
96    
97            * R/source.R (CSVSource): Defunct (use DataframeSource instead).
98            (XMLSource): New XMLSource class for arbitrary XML files.
99            (Source): New slot Vectorized.
100    
101    2009-03-21  Ingo Feinerer  <feinerer@logic.at>
102    
103            * R/reader.R (readTabular): Experimental reader for tabular data
104            structures which can be customized via user-defined mappings.
105    
106            * R/reader.R: Always use UTC time zone.
107    
108            * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
109    
110    2009-03-20  Ingo Feinerer  <feinerer@logic.at>
111    
112            * R/reader.R (readDOC): Options can be passed over to antiword.
113    
114            * R/reader.R (readPDF): Options can be passed over to pdfinfo and
115            pdftotext.
116    
117    2009-03-10  Ingo Feinerer  <feinerer@logic.at>
118    
119            * R/source.R (DirSource): Add pattern and ignore.case arguments
120            which are internally passed over to list.files().
121    
122    2009-03-02  Ingo Feinerer  <feinerer@logic.at>
123    
124            * inst/doc/tm.Rnw: Suppress pointless loading message.
125    
126    2009-01-29  Ingo Feinerer  <feinerer@logic.at>
127    
128            * DESCRIPTION: Speed up package loading (via moving packages not
129            strictly necessary for normal operation to Suggests instead of
130            Depends).
131    
132    2009-01-08  Ingo Feinerer  <feinerer@logic.at>
133    
134            * R/reader.R (readNewsgroup): The date format is now configurable.
135    
136    2008-12-20  Ingo Feinerer  <feinerer@logic.at>
137    
138            * R/preprocess.R (convertMboxEml): Fix off-by-one error.
139    
140    2008-12-16  Ingo Feinerer  <feinerer@logic.at>
141    
142            * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
143    
144    2008-12-06  Ingo Feinerer  <feinerer@logic.at>
145    
146            * R/source.R (DataframeSource): New source class for data frames.
147    
148            * R/source.R: Fixed non-standard call evaluation.
149    
150    2008-11-29  Ingo Feinerer  <feinerer@logic.at>
151    
152            * R/source.R (URISource): New source class for a single document.
153    
154    2008-11-27  Ingo Feinerer  <feinerer@logic.at>
155    
156            * R/source.R: Refactoring.
157    
158    2008-11-25  Ingo Feinerer  <feinerer@logic.at>
159    
160            * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
161            Rmpi installations more gracefully.
162    
163    2008-11-08  Ingo Feinerer  <feinerer@logic.at>
164    
165            * R/source.R (Source): Add Length slot.
166    
167    2008-11-06  Ingo Feinerer  <feinerer@logic.at>
168    
169            * R/AAA.R: Unify duplicated .onLoad function.
170    
171    2008-11-03  Ingo Feinerer  <feinerer@logic.at>
172    
173            * DESCRIPTION (Suggests): Added Rmpi.
174    
175    2008-11-02  Ingo Feinerer  <feinerer@logic.at>
176    
177            * R/source.R (getElem): Fix 'no visible binding' warning.
178    
179            * man/WeightFunction.Rd: Fix signature.
180    
181    2008-08-03  Ingo Feinerer  <feinerer@logic.at>
182    
183            * R/weight.R: Introduce name abbreviations for weighting functions.
184    
185    2008-07-24  Ingo Feinerer  <feinerer@logic.at>
186    
187            * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
188    
189            * R/cluster.R: Provide convenience functions for using a MPI
190            cluster.
191    
192            * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
193            available.
194    
195            * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
196            available.
197    
198    2008-07-17  Ingo Feinerer  <feinerer@logic.at>
199    
200            * R/textdoccol.R (lapply): Removed debug print out.
201    
202    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/reader.R (readRCV1): Improved meta data extraction from
205            Reuters Corpus Volume 1 documents.
206    
207    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/transform.R: Ensure that all mappings preserve multiline
210            structures.
211    
212    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * R/filter.R: Every filter has now an attribute indicating whether
215            it sould be applied to document level (doclevel).
216    
217            * R/textdoccol.R (tmFilter): Set searchFullText as new default
218            filter.
219    
220    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
221    
222            * R/transform.R (replacePatterns): Replaced removeWords by
223            replacePatterns. Suggested by Christian Buchta.
224    
225            * R/textdoccol.R (inspect): Improved formatting.
226    
227    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * inst/CITATION: Updated JSS article information.
230    
231            * R/textdoccol.R (setAs): Added coerce method from list to
232            corpus.
233    
234            * R/meta.R (meta): Improved meta data handling.
235    
236    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
239            Christian Buchta.
240    
241            * inst/CITATION: Added template to include JSS article reference.
242    
243    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * R/textdoccol.R (tmMap): Introduced lazy mapping.
246    
247            * R/source.R: Added VectorSource.
248    
249    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * man/: Language codes should be in ISO 639-1 format.
252    
253            * R/textdoccol.R (asPlain): Preserve local meta data.
254    
255    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/textdoccol.R (writeCorpus): Function for writing a corpus
258            containing plain text documents to disk.
259    
260    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
263            always set correctly.
264    
265            * R/textdoccol.R: Set load = TRUE as default for load on demand
266            since in most cases this is the wanted behaviour.
267    
268    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
271    
272            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
273    
274    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
275    
276            * R/meta.R (meta): New function for consistent access to meta data
277            of document collections, repositories, and texts.
278    
279    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/: Better support for encodings.
282    
283    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
286            selection when no reader argument is given.
287    
288    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * R/source.R (CSVSource): Now uses read.csv instead of scan
291            internally.
292    
293    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
294    
295            * R/reader.R (getReaders): Returns available reader functions.
296    
297            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
298            as default.
299    
300    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/stopwords.R (stopwords): Shortened code, removed codetools
303            variable warnings.
304    
305            * man/: Documentation for showMeta, added an example for tmMap.
306    
307            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
308            some minor typos fixed.
309    
310    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
311    
312            * R/aobjects.R (showMeta): Added method for pretty printing a
313            text document's meta data.
314    
315    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
316    
317            * R/textdoccol.R (TextDocCol): Better handling of empty
318            arguments.
319    
320            * NAMESPACE: Exported readDOC.
321    
322            * man/completeStems.Rd: Added an example.
323    
324    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
325    
326            * R/stopwords.R (stopwords): Look up .dat files at every
327            call. Allows users to modify stopword .dat files interactively.
328    
329    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
330    
331            * R/termdocmatrix.R (termFreq): Correct processing of empty
332            documents.
333    
334    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * man/: Updated documentation.
337    
338    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
339    
340            * R/complete.R (completeStems): Completes (heuristically) word
341            stems.
342    
343            * R/termdocmatrix.R (TermDocMatrix2): New modular
344            constructor.
345    
346            * NAMESPACE: Exported termFreq.
347    
348    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
349    
350            * R/reader.R (readDOC): Added MS Word reader (using antiword).
351    
352    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
353    
354            * R/weight.R: Weighting functions for TermDocMatrix.
355    
356    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
357    
358            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
359            functions for accessing dimension, column, and row names.
360    
361            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
362    
363    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
366    
367    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
368    
369            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
370    
371    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
372    
373            * R/reader.R (readPDF): Removed manual checks for pdftotext and
374            pdfinfo. The system call gives a warning anyway.
375    
376    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
377    
378            * R/textdoccol.R (asPlain): Conversion from
379            StructuredTextDocuments to PlainTextDocuments.
380    
381    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
382    
383            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
384            for accessing term-document matrices.
385    
386            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
387            are installed.
388    
389    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
390    
391            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
392            Christian Buchta.
393    
394    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
395    
396            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
397    
398    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
399    
400            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
401    
402            * R/reader.R (readPDF): Added PDF reader.
403    
404    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
405    
406            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
407    
408            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
409    
410            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
411    
412            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
413    
414    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
415    
416            * R/distmeasure.R (dissimilarity): Replaced dists call from
417            package cba by new dist call from package proxy.
418    
419    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
420    
421            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
422    
423    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
424    
425            * R/termdocmatrix.R: require() uses the quietly option to suppress
426            loading messages.
427    
428    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
429    
430            * R/dictionary.R: Added dictionary support.
431    
432    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
433    
434            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
435            documents. This simplifies some functions, e.g., asPlain.
436    
437    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
438    
439            * inst/doc/tm.Rnw: Fixed some typos in vignette.
440    
441    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
442    
443            * R/textdoccol.R (replaceWords): Added method to replace a set of
444            words by a single word. Useful for synonyms.
445    
446    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
447    
448            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
449    
450    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
451    
452            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
453            vectors. Thanks to Ariel Maguyon for his error report.
454            (removeSparseTerms): New function to remove columns from a
455            term-document matrix exceeding a sparse factor.
456    
457    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
458    
459            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
460    
461    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
462    
463            * man/sFilter.Rd: Corrected documentation on statement format (use
464            '==' instead of '=').
465    
466    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
467    
468            * R/aobjects.R (StructuredTextDocument): Inherits from
469            TextDocument.
470    
471    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
472    
473            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
474            on sparse matrices as proposed by Martin Maechler.
475    
476    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
477    
478            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
479            \pkg{filehash} version makes them deprecated.
480    
481    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
482    
483            * R/termdocmatrix.R (textvector): Stemming is now performed before
484            erasing stopwords.
485            (weightMatrix): Adapted to handle sparse matrices.
486            (TermDocMatrix): Sparse matrix is now efficiently built by
487            direct stepwise insertion of row values into it.
488    
489    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
490    
491            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
492            due to ongoing problems. For our purposes the latter is as useful
493            as the replaced package.
494    
495  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
496    
497          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.          * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.

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