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revision 729, Tue Apr 10 17:08:52 2007 UTC revision 817, Wed Jan 30 11:25:20 2008 UTC
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1    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
4            always set correctly.
5    
6            * R/textdoccol.R: Set load = TRUE as default for load on demand
7            since in most cases this is the wanted behaviour.
8    
9    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
10    
11            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
12    
13            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
14    
15    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/meta.R (meta): New function for consistent access to meta data
18            of document collections, repositories, and texts.
19    
20    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/: Better support for encodings.
23    
24    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
27            selection when no reader argument is given.
28    
29    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/source.R (CSVSource): Now uses read.csv instead of scan
32            internally.
33    
34    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * R/reader.R (getReaders): Returns available reader functions.
37    
38            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
39            as default.
40    
41    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/stopwords.R (stopwords): Shortened code, removed codetools
44            variable warnings.
45    
46            * man/: Documentation for showMeta, added an example for tmMap.
47    
48            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
49            some minor typos fixed.
50    
51    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/aobjects.R (showMeta): Added method for pretty printing a
54            text document's meta data.
55    
56    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
57    
58            * R/textdoccol.R (TextDocCol): Better handling of empty
59            arguments.
60    
61            * NAMESPACE: Exported readDOC.
62    
63            * man/completeStems.Rd: Added an example.
64    
65    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/stopwords.R (stopwords): Look up .dat files at every
68            call. Allows users to modify stopword .dat files interactively.
69    
70    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/termdocmatrix.R (termFreq): Correct processing of empty
73            documents.
74    
75    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * man/: Updated documentation.
78    
79    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/complete.R (completeStems): Completes (heuristically) word
82            stems.
83    
84            * R/termdocmatrix.R (TermDocMatrix2): New modular
85            constructor.
86    
87            * NAMESPACE: Exported termFreq.
88    
89    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/reader.R (readDOC): Added MS Word reader (using antiword).
92    
93    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/weight.R: Weighting functions for TermDocMatrix.
96    
97    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
98    
99            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
100            functions for accessing dimension, column, and row names.
101    
102            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
103    
104    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
107    
108    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
111    
112    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/reader.R (readPDF): Removed manual checks for pdftotext and
115            pdfinfo. The system call gives a warning anyway.
116    
117    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * R/textdoccol.R (asPlain): Conversion from
120            StructuredTextDocuments to PlainTextDocuments.
121    
122    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
125            for accessing term-document matrices.
126    
127            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
128            are installed.
129    
130    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
133            Christian Buchta.
134    
135    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
136    
137            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
138    
139    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
140    
141            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
142    
143            * R/reader.R (readPDF): Added PDF reader.
144    
145    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
148    
149            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
150    
151            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
152    
153            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
154    
155    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/distmeasure.R (dissimilarity): Replaced dists call from
158            package cba by new dist call from package proxy.
159    
160    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
163    
164    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
165    
166            * R/termdocmatrix.R: require() uses the quietly option to suppress
167            loading messages.
168    
169    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
170    
171            * R/dictionary.R: Added dictionary support.
172    
173    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
176            documents. This simplifies some functions, e.g., asPlain.
177    
178    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * inst/doc/tm.Rnw: Fixed some typos in vignette.
181    
182    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/textdoccol.R (replaceWords): Added method to replace a set of
185            words by a single word. Useful for synonyms.
186    
187    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
190    
191    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
192    
193            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
194            vectors. Thanks to Ariel Maguyon for his error report.
195            (removeSparseTerms): New function to remove columns from a
196            term-document matrix exceeding a sparse factor.
197    
198    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
201    
202    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * man/sFilter.Rd: Corrected documentation on statement format (use
205            '==' instead of '=').
206    
207    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * R/aobjects.R (StructuredTextDocument): Inherits from
210            TextDocument.
211    
212    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
215            on sparse matrices as proposed by Martin Maechler.
216    
217    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
218    
219            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
220            \pkg{filehash} version makes them deprecated.
221    
222    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/termdocmatrix.R (textvector): Stemming is now performed before
225            erasing stopwords.
226            (weightMatrix): Adapted to handle sparse matrices.
227            (TermDocMatrix): Sparse matrix is now efficiently built by
228            direct stepwise insertion of row values into it.
229    
230    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
231    
232            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
233            due to ongoing problems. For our purposes the latter is as useful
234            as the replaced package.
235    
236    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
239    
240            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
241    
242    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
243    
244            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
245            languages with available stopwords.
246    
247    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * inst/doc/tm.Rnw: Minor corrections in the vignette.
250    
251    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
252    
253            * DESCRIPTION: Update to version 0.2, since a lot of new features
254            have been integrated.
255    
256            * inst/stopwords: Updated existing stopwords and added stopwords
257            for various other languages.
258    
259  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
260    
261            * man/: Updated documentation.
262    
263          * Work/testDb.R: Script to test database stuff.          * Work/testDb.R: Script to test database stuff.
264    
265          * R/: Fixed various database related bugs. Seems to be rather          * R/: Fixed various database related bugs. Seems to be rather

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