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revision 698, Sat Jan 6 17:05:44 2007 UTC revision 774, Sat Jul 21 16:25:54 2007 UTC
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1    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
4            for accessing term-document matrices.
5    
6            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
7            are installed.
8    
9    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
10    
11            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
12            Christian Buchta.
13    
14    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
15    
16            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
17    
18    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
21    
22            * R/reader.R (readPDF): Added PDF reader.
23    
24    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
27    
28            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
29    
30            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
31    
32            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
33    
34    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * R/distmeasure.R (dissimilarity): Replaced dists call from
37            package cba by new dist call from package proxy.
38    
39    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
42    
43    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/termdocmatrix.R: require() uses the quietly option to suppress
46            loading messages.
47    
48    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/dictionary.R: Added dictionary support.
51    
52    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
55            documents. This simplifies some functions, e.g., asPlain.
56    
57    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * inst/doc/tm.Rnw: Fixed some typos in vignette.
60    
61    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * R/textdoccol.R (replaceWords): Added method to replace a set of
64            words by a single word. Useful for synonyms.
65    
66    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
69    
70    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
73            vectors. Thanks to Ariel Maguyon for his error report.
74            (removeSparseTerms): New function to remove columns from a
75            term-document matrix exceeding a sparse factor.
76    
77    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
80    
81    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * man/sFilter.Rd: Corrected documentation on statement format (use
84            '==' instead of '=').
85    
86    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/aobjects.R (StructuredTextDocument): Inherits from
89            TextDocument.
90    
91    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
94            on sparse matrices as proposed by Martin Maechler.
95    
96    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
99            \pkg{filehash} version makes them deprecated.
100    
101    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
102    
103            * R/termdocmatrix.R (textvector): Stemming is now performed before
104            erasing stopwords.
105            (weightMatrix): Adapted to handle sparse matrices.
106            (TermDocMatrix): Sparse matrix is now efficiently built by
107            direct stepwise insertion of row values into it.
108    
109    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
112            due to ongoing problems. For our purposes the latter is as useful
113            as the replaced package.
114    
115    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
118    
119            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
120    
121    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
124            languages with available stopwords.
125    
126    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * inst/doc/tm.Rnw: Minor corrections in the vignette.
129    
130    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * DESCRIPTION: Update to version 0.2, since a lot of new features
133            have been integrated.
134    
135            * inst/stopwords: Updated existing stopwords and added stopwords
136            for various other languages.
137    
138    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * man/: Updated documentation.
141    
142            * Work/testDb.R: Script to test database stuff.
143    
144            * R/: Fixed various database related bugs. Seems to be rather
145            useable now, i.e., consider as alpha status for now.
146    
147    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * R/: Fixed some bugs related to database support.
150    
151    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * man/: Added a lot of examples to the manuals.
154    
155    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * man/: Updated parts of the documentation.
158    
159            * R/textdoccol.R (asPlain): Added conversion from newsgroup
160            documents to plain text documents.
161    
162    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/textdoccol.R: Finished experimental database support. Not yet
165            intensively tested.
166    
167            * R/source.R: Now each source has a default reader.
168    
169            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
170            class anymore.
171    
172            * R/plaintextdoc.R: Custom show method for plain text documents.
173    
174            * R/aobjects.R: Added a class for structured text documents.
175    
176            * R/reader.R: Replaced remaining \code{parser} occurrences with
177            \code{reader}.
178    
179            * R/textdoccol.R (summary): Indent tags.
180    
181            * R/textdoccol.R (removePunctuation): Transform method to remove
182            punctuation marks.
183    
184    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
187            using prescindMeta().
188    
189    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * R/textdoccol.R: Improved database support.
192    
193    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
196    
197            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
198            language code.
199    
200            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
201            into parserControl argument.
202    
203            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
204    
205    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
206    
207            * Work/tmDataSetup.R: The datasets acq and crude can now be
208            created on the fly.
209    
210            * R/stopwords.R: Introduced a function returning the stopwords for
211            a given language (English, German and French at the moment)
212    
213            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
214            otherwise falls back to Snowball package.
215    
216    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
217    
218            * man/dissimilarity-methods.Rd: Make clear that any method offered
219            by "dists" from package "cba" can be used.
220    
221    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
222    
223            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
224            to Kurt's latex suggestion. Removed points and underscores in
225            variable names for consistent naming.
226    
227            * DESCRIPTION: Update to version 0.1-2.
228    
229            * man/TextRepository.Rd: Fixed bug in documentation.
230    
231    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * DESCRIPTION: Update to version 0.1-1.
234    
235    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
236    
237            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
238            wordStem.
239    
240  2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
241    
242          * R/: Changes due to Kurt's review.          * R/: Changes due to Kurt's review.

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