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trunk/textmin/ChangeLog revision 691, Sun Dec 17 13:09:08 2006 UTC trunk/tm/ChangeLog revision 768, Sun Jul 15 08:33:56 2007 UTC
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1    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
4    
5    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
6    
7            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
8    
9            * R/reader.R (readPDF): Added PDF reader.
10    
11    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
14    
15            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
16    
17            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
18    
19            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
20    
21    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
22    
23            * R/distmeasure.R (dissimilarity): Replaced dists call from
24            package cba by new dist call from package proxy.
25    
26    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
29    
30    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/termdocmatrix.R: require() uses the quietly option to suppress
33            loading messages.
34    
35    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/dictionary.R: Added dictionary support.
38    
39    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
42            documents. This simplifies some functions, e.g., asPlain.
43    
44    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * inst/doc/tm.Rnw: Fixed some typos in vignette.
47    
48    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/textdoccol.R (replaceWords): Added method to replace a set of
51            words by a single word. Useful for synonyms.
52    
53    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
56    
57    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
60            vectors. Thanks to Ariel Maguyon for his error report.
61            (removeSparseTerms): New function to remove columns from a
62            term-document matrix exceeding a sparse factor.
63    
64    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
67    
68    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * man/sFilter.Rd: Corrected documentation on statement format (use
71            '==' instead of '=').
72    
73    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/aobjects.R (StructuredTextDocument): Inherits from
76            TextDocument.
77    
78    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
81            on sparse matrices as proposed by Martin Maechler.
82    
83    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
86            \pkg{filehash} version makes them deprecated.
87    
88    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * R/termdocmatrix.R (textvector): Stemming is now performed before
91            erasing stopwords.
92            (weightMatrix): Adapted to handle sparse matrices.
93            (TermDocMatrix): Sparse matrix is now efficiently built by
94            direct stepwise insertion of row values into it.
95    
96    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
99            due to ongoing problems. For our purposes the latter is as useful
100            as the replaced package.
101    
102    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
103    
104            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
105    
106            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
107    
108    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
111            languages with available stopwords.
112    
113    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * inst/doc/tm.Rnw: Minor corrections in the vignette.
116    
117    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * DESCRIPTION: Update to version 0.2, since a lot of new features
120            have been integrated.
121    
122            * inst/stopwords: Updated existing stopwords and added stopwords
123            for various other languages.
124    
125    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * man/: Updated documentation.
128    
129            * Work/testDb.R: Script to test database stuff.
130    
131            * R/: Fixed various database related bugs. Seems to be rather
132            useable now, i.e., consider as alpha status for now.
133    
134    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/: Fixed some bugs related to database support.
137    
138    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * man/: Added a lot of examples to the manuals.
141    
142    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * man/: Updated parts of the documentation.
145    
146            * R/textdoccol.R (asPlain): Added conversion from newsgroup
147            documents to plain text documents.
148    
149    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * R/textdoccol.R: Finished experimental database support. Not yet
152            intensively tested.
153    
154            * R/source.R: Now each source has a default reader.
155    
156            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
157            class anymore.
158    
159            * R/plaintextdoc.R: Custom show method for plain text documents.
160    
161            * R/aobjects.R: Added a class for structured text documents.
162    
163            * R/reader.R: Replaced remaining \code{parser} occurrences with
164            \code{reader}.
165    
166            * R/textdoccol.R (summary): Indent tags.
167    
168            * R/textdoccol.R (removePunctuation): Transform method to remove
169            punctuation marks.
170    
171    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
172    
173            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
174            using prescindMeta().
175    
176    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
177    
178            * R/textdoccol.R: Improved database support.
179    
180    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
183    
184            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
185            language code.
186    
187            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
188            into parserControl argument.
189    
190            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
191    
192    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * Work/tmDataSetup.R: The datasets acq and crude can now be
195            created on the fly.
196    
197            * R/stopwords.R: Introduced a function returning the stopwords for
198            a given language (English, German and French at the moment)
199    
200            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
201            otherwise falls back to Snowball package.
202    
203    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * man/dissimilarity-methods.Rd: Make clear that any method offered
206            by "dists" from package "cba" can be used.
207    
208    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
211            to Kurt's latex suggestion. Removed points and underscores in
212            variable names for consistent naming.
213    
214            * DESCRIPTION: Update to version 0.1-2.
215    
216            * man/TextRepository.Rd: Fixed bug in documentation.
217    
218    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * DESCRIPTION: Update to version 0.1-1.
221    
222    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
225            wordStem.
226    
227    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
228    
229            * R/: Changes due to Kurt's review.
230    
231    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
232    
233            * R/: Implemented improvements based upon comments by David
234            Meyer.
235    
236  2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238          * inst/doc/: Rewrote vignette.          * inst/doc/: Rewrote vignette.

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