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revision 732, Wed Apr 11 18:11:54 2007 UTC revision 838, Wed Apr 23 09:45:06 2008 UTC
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1    2008-04-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/transform.R (replacePatterns): Replaced removeWords by
4            replacePatterns. Suggested by Christian Buchta.
5    
6            * R/textdoccol.R (inspect): Improved formatting.
7    
8    2008-04-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * inst/CITATION: Updated JSS article information.
11    
12            * R/textdoccol.R (setAs): Added coerce method from list to
13            corpus.
14    
15            * R/meta.R (meta): Improved meta data handling.
16    
17    2008-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * R/textdoccol.R (materialize, tmMap): Improvements suggested by
20            Christian Buchta.
21    
22            * inst/CITATION: Added template to include JSS article reference.
23    
24    2008-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/textdoccol.R (tmMap): Introduced lazy mapping.
27    
28            * R/source.R: Added VectorSource.
29    
30    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * man/: Language codes should be in ISO 639-1 format.
33    
34            * R/textdoccol.R (asPlain): Preserve local meta data.
35    
36    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/textdoccol.R (writeCorpus): Function for writing a corpus
39            containing plain text documents to disk.
40    
41    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
44            always set correctly.
45    
46            * R/textdoccol.R: Set load = TRUE as default for load on demand
47            since in most cases this is the wanted behaviour.
48    
49    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
52    
53            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
54    
55    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * R/meta.R (meta): New function for consistent access to meta data
58            of document collections, repositories, and texts.
59    
60    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * R/: Better support for encodings.
63    
64    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
67            selection when no reader argument is given.
68    
69    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
70    
71            * R/source.R (CSVSource): Now uses read.csv instead of scan
72            internally.
73    
74    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/reader.R (getReaders): Returns available reader functions.
77    
78            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
79            as default.
80    
81    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/stopwords.R (stopwords): Shortened code, removed codetools
84            variable warnings.
85    
86            * man/: Documentation for showMeta, added an example for tmMap.
87    
88            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
89            some minor typos fixed.
90    
91    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/aobjects.R (showMeta): Added method for pretty printing a
94            text document's meta data.
95    
96    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/textdoccol.R (TextDocCol): Better handling of empty
99            arguments.
100    
101            * NAMESPACE: Exported readDOC.
102    
103            * man/completeStems.Rd: Added an example.
104    
105    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/stopwords.R (stopwords): Look up .dat files at every
108            call. Allows users to modify stopword .dat files interactively.
109    
110    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * R/termdocmatrix.R (termFreq): Correct processing of empty
113            documents.
114    
115    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * man/: Updated documentation.
118    
119    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/complete.R (completeStems): Completes (heuristically) word
122            stems.
123    
124            * R/termdocmatrix.R (TermDocMatrix2): New modular
125            constructor.
126    
127            * NAMESPACE: Exported termFreq.
128    
129    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/reader.R (readDOC): Added MS Word reader (using antiword).
132    
133    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/weight.R: Weighting functions for TermDocMatrix.
136    
137    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
140            functions for accessing dimension, column, and row names.
141    
142            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
143    
144    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
147    
148    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
151    
152    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/reader.R (readPDF): Removed manual checks for pdftotext and
155            pdfinfo. The system call gives a warning anyway.
156    
157    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/textdoccol.R (asPlain): Conversion from
160            StructuredTextDocuments to PlainTextDocuments.
161    
162    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
165            for accessing term-document matrices.
166    
167            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
168            are installed.
169    
170    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
173            Christian Buchta.
174    
175    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
178    
179    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
182    
183            * R/reader.R (readPDF): Added PDF reader.
184    
185    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
186    
187            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
188    
189            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
190    
191            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
192    
193            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
194    
195    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * R/distmeasure.R (dissimilarity): Replaced dists call from
198            package cba by new dist call from package proxy.
199    
200    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
201    
202            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
203    
204    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * R/termdocmatrix.R: require() uses the quietly option to suppress
207            loading messages.
208    
209    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * R/dictionary.R: Added dictionary support.
212    
213    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
216            documents. This simplifies some functions, e.g., asPlain.
217    
218    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * inst/doc/tm.Rnw: Fixed some typos in vignette.
221    
222    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/textdoccol.R (replaceWords): Added method to replace a set of
225            words by a single word. Useful for synonyms.
226    
227    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
230    
231    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
234            vectors. Thanks to Ariel Maguyon for his error report.
235            (removeSparseTerms): New function to remove columns from a
236            term-document matrix exceeding a sparse factor.
237    
238    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
239    
240            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
241    
242    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * man/sFilter.Rd: Corrected documentation on statement format (use
245            '==' instead of '=').
246    
247    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * R/aobjects.R (StructuredTextDocument): Inherits from
250            TextDocument.
251    
252    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
253    
254            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
255            on sparse matrices as proposed by Martin Maechler.
256    
257    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
260            \pkg{filehash} version makes them deprecated.
261    
262    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * R/termdocmatrix.R (textvector): Stemming is now performed before
265            erasing stopwords.
266            (weightMatrix): Adapted to handle sparse matrices.
267            (TermDocMatrix): Sparse matrix is now efficiently built by
268            direct stepwise insertion of row values into it.
269    
270    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
273            due to ongoing problems. For our purposes the latter is as useful
274            as the replaced package.
275    
276    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
277    
278            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
279    
280            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
281    
282    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
283    
284            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
285            languages with available stopwords.
286    
287    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * inst/doc/tm.Rnw: Minor corrections in the vignette.
290    
291  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
292    
293          * DESCRIPTION: Update to version 0.2, since a lot of new features          * DESCRIPTION: Update to version 0.2, since a lot of new features

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