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revision 729, Tue Apr 10 17:08:52 2007 UTC revision 825, Sat Feb 23 09:47:28 2008 UTC
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1    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * man/: Language codes should be in ISO 639-1 format.
4    
5    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/textdoccol.R (writeCorpus): Function for writing a corpus
8            containing plain text documents to disk.
9    
10    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
13            always set correctly.
14    
15            * R/textdoccol.R: Set load = TRUE as default for load on demand
16            since in most cases this is the wanted behaviour.
17    
18    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
21    
22            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
23    
24    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/meta.R (meta): New function for consistent access to meta data
27            of document collections, repositories, and texts.
28    
29    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/: Better support for encodings.
32    
33    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
34    
35            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
36            selection when no reader argument is given.
37    
38    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/source.R (CSVSource): Now uses read.csv instead of scan
41            internally.
42    
43    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/reader.R (getReaders): Returns available reader functions.
46    
47            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
48            as default.
49    
50    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
51    
52            * R/stopwords.R (stopwords): Shortened code, removed codetools
53            variable warnings.
54    
55            * man/: Documentation for showMeta, added an example for tmMap.
56    
57            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
58            some minor typos fixed.
59    
60    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * R/aobjects.R (showMeta): Added method for pretty printing a
63            text document's meta data.
64    
65    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/textdoccol.R (TextDocCol): Better handling of empty
68            arguments.
69    
70            * NAMESPACE: Exported readDOC.
71    
72            * man/completeStems.Rd: Added an example.
73    
74    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/stopwords.R (stopwords): Look up .dat files at every
77            call. Allows users to modify stopword .dat files interactively.
78    
79    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/termdocmatrix.R (termFreq): Correct processing of empty
82            documents.
83    
84    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * man/: Updated documentation.
87    
88    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * R/complete.R (completeStems): Completes (heuristically) word
91            stems.
92    
93            * R/termdocmatrix.R (TermDocMatrix2): New modular
94            constructor.
95    
96            * NAMESPACE: Exported termFreq.
97    
98    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/reader.R (readDOC): Added MS Word reader (using antiword).
101    
102    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * R/weight.R: Weighting functions for TermDocMatrix.
105    
106    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
109            functions for accessing dimension, column, and row names.
110    
111            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
112    
113    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
116    
117    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
120    
121    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * R/reader.R (readPDF): Removed manual checks for pdftotext and
124            pdfinfo. The system call gives a warning anyway.
125    
126    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/textdoccol.R (asPlain): Conversion from
129            StructuredTextDocuments to PlainTextDocuments.
130    
131    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
134            for accessing term-document matrices.
135    
136            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
137            are installed.
138    
139    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
142            Christian Buchta.
143    
144    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
145    
146            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
147    
148    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
151    
152            * R/reader.R (readPDF): Added PDF reader.
153    
154    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
155    
156            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
157    
158            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
159    
160            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
161    
162            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
163    
164    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * R/distmeasure.R (dissimilarity): Replaced dists call from
167            package cba by new dist call from package proxy.
168    
169    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
172    
173    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * R/termdocmatrix.R: require() uses the quietly option to suppress
176            loading messages.
177    
178    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * R/dictionary.R: Added dictionary support.
181    
182    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
185            documents. This simplifies some functions, e.g., asPlain.
186    
187    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * inst/doc/tm.Rnw: Fixed some typos in vignette.
190    
191    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
192    
193            * R/textdoccol.R (replaceWords): Added method to replace a set of
194            words by a single word. Useful for synonyms.
195    
196    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
197    
198            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
199    
200    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
201    
202            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
203            vectors. Thanks to Ariel Maguyon for his error report.
204            (removeSparseTerms): New function to remove columns from a
205            term-document matrix exceeding a sparse factor.
206    
207    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
210    
211    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * man/sFilter.Rd: Corrected documentation on statement format (use
214            '==' instead of '=').
215    
216    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
217    
218            * R/aobjects.R (StructuredTextDocument): Inherits from
219            TextDocument.
220    
221    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
224            on sparse matrices as proposed by Martin Maechler.
225    
226    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
229            \pkg{filehash} version makes them deprecated.
230    
231    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * R/termdocmatrix.R (textvector): Stemming is now performed before
234            erasing stopwords.
235            (weightMatrix): Adapted to handle sparse matrices.
236            (TermDocMatrix): Sparse matrix is now efficiently built by
237            direct stepwise insertion of row values into it.
238    
239    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
240    
241            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
242            due to ongoing problems. For our purposes the latter is as useful
243            as the replaced package.
244    
245    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
248    
249            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
250    
251    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
254            languages with available stopwords.
255    
256    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
257    
258            * inst/doc/tm.Rnw: Minor corrections in the vignette.
259    
260    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262            * DESCRIPTION: Update to version 0.2, since a lot of new features
263            have been integrated.
264    
265            * inst/stopwords: Updated existing stopwords and added stopwords
266            for various other languages.
267    
268  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270            * man/: Updated documentation.
271    
272          * Work/testDb.R: Script to test database stuff.          * Work/testDb.R: Script to test database stuff.
273    
274          * R/: Fixed various database related bugs. Seems to be rather          * R/: Fixed various database related bugs. Seems to be rather

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