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revision 719, Sun Mar 18 09:24:47 2007 UTC revision 856, Fri Jun 6 11:45:39 2008 UTC
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1    2008-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (readRCV1): Improved meta data extraction from
4            Reuters Corpus Volume 1 documents.
5    
6    2008-05-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/transform.R: Ensure that all mappings preserve multiline
9            structures.
10    
11    2008-05-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/filter.R: Every filter has now an attribute indicating whether
14            it sould be applied to document level (doclevel).
15    
16            * R/textdoccol.R (tmFilter): Set searchFullText as new default
17            filter.
18    
19    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * R/transform.R (replacePatterns): Replaced removeWords by
22            replacePatterns. Suggested by Christian Buchta.
23    
24            * R/textdoccol.R (inspect): Improved formatting.
25    
26    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * inst/CITATION: Updated JSS article information.
29    
30            * R/textdoccol.R (setAs): Added coerce method from list to
31            corpus.
32    
33            * R/meta.R (meta): Improved meta data handling.
34    
35    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
38            Christian Buchta.
39    
40            * inst/CITATION: Added template to include JSS article reference.
41    
42    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * R/textdoccol.R (tmMap): Introduced lazy mapping.
45    
46            * R/source.R: Added VectorSource.
47    
48    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * man/: Language codes should be in ISO 639-1 format.
51    
52            * R/textdoccol.R (asPlain): Preserve local meta data.
53    
54    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * R/textdoccol.R (writeCorpus): Function for writing a corpus
57            containing plain text documents to disk.
58    
59    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
60    
61            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
62            always set correctly.
63    
64            * R/textdoccol.R: Set load = TRUE as default for load on demand
65            since in most cases this is the wanted behaviour.
66    
67    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
70    
71            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
72    
73    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/meta.R (meta): New function for consistent access to meta data
76            of document collections, repositories, and texts.
77    
78    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/: Better support for encodings.
81    
82    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
85            selection when no reader argument is given.
86    
87    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * R/source.R (CSVSource): Now uses read.csv instead of scan
90            internally.
91    
92    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * R/reader.R (getReaders): Returns available reader functions.
95    
96            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
97            as default.
98    
99    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/stopwords.R (stopwords): Shortened code, removed codetools
102            variable warnings.
103    
104            * man/: Documentation for showMeta, added an example for tmMap.
105    
106            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
107            some minor typos fixed.
108    
109    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/aobjects.R (showMeta): Added method for pretty printing a
112            text document's meta data.
113    
114    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * R/textdoccol.R (TextDocCol): Better handling of empty
117            arguments.
118    
119            * NAMESPACE: Exported readDOC.
120    
121            * man/completeStems.Rd: Added an example.
122    
123    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * R/stopwords.R (stopwords): Look up .dat files at every
126            call. Allows users to modify stopword .dat files interactively.
127    
128    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * R/termdocmatrix.R (termFreq): Correct processing of empty
131            documents.
132    
133    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * man/: Updated documentation.
136    
137    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/complete.R (completeStems): Completes (heuristically) word
140            stems.
141    
142            * R/termdocmatrix.R (TermDocMatrix2): New modular
143            constructor.
144    
145            * NAMESPACE: Exported termFreq.
146    
147    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/reader.R (readDOC): Added MS Word reader (using antiword).
150    
151    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * R/weight.R: Weighting functions for TermDocMatrix.
154    
155    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
158            functions for accessing dimension, column, and row names.
159    
160            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
161    
162    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
165    
166    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
169    
170    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/reader.R (readPDF): Removed manual checks for pdftotext and
173            pdfinfo. The system call gives a warning anyway.
174    
175    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/textdoccol.R (asPlain): Conversion from
178            StructuredTextDocuments to PlainTextDocuments.
179    
180    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
183            for accessing term-document matrices.
184    
185            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
186            are installed.
187    
188    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
191            Christian Buchta.
192    
193    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
196    
197    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
200    
201            * R/reader.R (readPDF): Added PDF reader.
202    
203    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
206    
207            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
208    
209            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
210    
211            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
212    
213    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/distmeasure.R (dissimilarity): Replaced dists call from
216            package cba by new dist call from package proxy.
217    
218    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
221    
222    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/termdocmatrix.R: require() uses the quietly option to suppress
225            loading messages.
226    
227    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * R/dictionary.R: Added dictionary support.
230    
231    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
234            documents. This simplifies some functions, e.g., asPlain.
235    
236    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * inst/doc/tm.Rnw: Fixed some typos in vignette.
239    
240    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242            * R/textdoccol.R (replaceWords): Added method to replace a set of
243            words by a single word. Useful for synonyms.
244    
245    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
248    
249    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
250    
251            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
252            vectors. Thanks to Ariel Maguyon for his error report.
253            (removeSparseTerms): New function to remove columns from a
254            term-document matrix exceeding a sparse factor.
255    
256    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
259    
260    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * man/sFilter.Rd: Corrected documentation on statement format (use
263            '==' instead of '=').
264    
265    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/aobjects.R (StructuredTextDocument): Inherits from
268            TextDocument.
269    
270    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
273            on sparse matrices as proposed by Martin Maechler.
274    
275    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
276    
277            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
278            \pkg{filehash} version makes them deprecated.
279    
280    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
281    
282            * R/termdocmatrix.R (textvector): Stemming is now performed before
283            erasing stopwords.
284            (weightMatrix): Adapted to handle sparse matrices.
285            (TermDocMatrix): Sparse matrix is now efficiently built by
286            direct stepwise insertion of row values into it.
287    
288    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
289    
290            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
291            due to ongoing problems. For our purposes the latter is as useful
292            as the replaced package.
293    
294    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
297    
298            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
299    
300    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
301    
302            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
303            languages with available stopwords.
304    
305    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
306    
307            * inst/doc/tm.Rnw: Minor corrections in the vignette.
308    
309    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
310    
311            * DESCRIPTION: Update to version 0.2, since a lot of new features
312            have been integrated.
313    
314            * inst/stopwords: Updated existing stopwords and added stopwords
315            for various other languages.
316    
317    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
318    
319            * man/: Updated documentation.
320    
321            * Work/testDb.R: Script to test database stuff.
322    
323            * R/: Fixed various database related bugs. Seems to be rather
324            useable now, i.e., consider as alpha status for now.
325    
326    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
327    
328            * R/: Fixed some bugs related to database support.
329    
330    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
331    
332            * man/: Added a lot of examples to the manuals.
333    
334    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
335    
336            * man/: Updated parts of the documentation.
337    
338            * R/textdoccol.R (asPlain): Added conversion from newsgroup
339            documents to plain text documents.
340    
341    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
342    
343            * R/textdoccol.R: Finished experimental database support. Not yet
344            intensively tested.
345    
346            * R/source.R: Now each source has a default reader.
347    
348            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
349            class anymore.
350    
351            * R/plaintextdoc.R: Custom show method for plain text documents.
352    
353            * R/aobjects.R: Added a class for structured text documents.
354    
355            * R/reader.R: Replaced remaining \code{parser} occurrences with
356            \code{reader}.
357    
358            * R/textdoccol.R (summary): Indent tags.
359    
360            * R/textdoccol.R (removePunctuation): Transform method to remove
361            punctuation marks.
362    
363    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
366            using prescindMeta().
367    
368  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
369    
370          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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