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revision 710, Mon Jan 22 12:35:10 2007 UTC revision 767, Sat Jul 14 16:50:44 2007 UTC
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1    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
4    
5            * R/reader.R (readPDF): Added PDF reader.
6    
7    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
8    
9            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
10    
11            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
12    
13            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
14    
15            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
16    
17    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * R/distmeasure.R (dissimilarity): Replaced dists call from
20            package cba by new dist call from package proxy.
21    
22    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
25    
26    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/termdocmatrix.R: require() uses the quietly option to suppress
29            loading messages.
30    
31    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/dictionary.R: Added dictionary support.
34    
35    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
38            documents. This simplifies some functions, e.g., asPlain.
39    
40    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * inst/doc/tm.Rnw: Fixed some typos in vignette.
43    
44    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/textdoccol.R (replaceWords): Added method to replace a set of
47            words by a single word. Useful for synonyms.
48    
49    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
52    
53    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
56            vectors. Thanks to Ariel Maguyon for his error report.
57            (removeSparseTerms): New function to remove columns from a
58            term-document matrix exceeding a sparse factor.
59    
60    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
63    
64    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/sFilter.Rd: Corrected documentation on statement format (use
67            '==' instead of '=').
68    
69    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
70    
71            * R/aobjects.R (StructuredTextDocument): Inherits from
72            TextDocument.
73    
74    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
77            on sparse matrices as proposed by Martin Maechler.
78    
79    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
82            \pkg{filehash} version makes them deprecated.
83    
84    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/termdocmatrix.R (textvector): Stemming is now performed before
87            erasing stopwords.
88            (weightMatrix): Adapted to handle sparse matrices.
89            (TermDocMatrix): Sparse matrix is now efficiently built by
90            direct stepwise insertion of row values into it.
91    
92    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
95            due to ongoing problems. For our purposes the latter is as useful
96            as the replaced package.
97    
98    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
101    
102            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
103    
104    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
107            languages with available stopwords.
108    
109    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * inst/doc/tm.Rnw: Minor corrections in the vignette.
112    
113    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * DESCRIPTION: Update to version 0.2, since a lot of new features
116            have been integrated.
117    
118            * inst/stopwords: Updated existing stopwords and added stopwords
119            for various other languages.
120    
121    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * man/: Updated documentation.
124    
125            * Work/testDb.R: Script to test database stuff.
126    
127            * R/: Fixed various database related bugs. Seems to be rather
128            useable now, i.e., consider as alpha status for now.
129    
130    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * R/: Fixed some bugs related to database support.
133    
134    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * man/: Added a lot of examples to the manuals.
137    
138    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * man/: Updated parts of the documentation.
141    
142            * R/textdoccol.R (asPlain): Added conversion from newsgroup
143            documents to plain text documents.
144    
145    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * R/textdoccol.R: Finished experimental database support. Not yet
148            intensively tested.
149    
150            * R/source.R: Now each source has a default reader.
151    
152            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
153            class anymore.
154    
155            * R/plaintextdoc.R: Custom show method for plain text documents.
156    
157            * R/aobjects.R: Added a class for structured text documents.
158    
159            * R/reader.R: Replaced remaining \code{parser} occurrences with
160            \code{reader}.
161    
162            * R/textdoccol.R (summary): Indent tags.
163    
164            * R/textdoccol.R (removePunctuation): Transform method to remove
165            punctuation marks.
166    
167    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
170            using prescindMeta().
171    
172    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/textdoccol.R: Improved database support.
175    
176    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
177    
178            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
179    
180            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
181            language code.
182    
183            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
184            into parserControl argument.
185    
186            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
187    
188    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
189    
190            * Work/tmDataSetup.R: The datasets acq and crude can now be
191            created on the fly.
192    
193            * R/stopwords.R: Introduced a function returning the stopwords for
194            a given language (English, German and French at the moment)
195    
196            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
197            otherwise falls back to Snowball package.
198    
199    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * man/dissimilarity-methods.Rd: Make clear that any method offered
202            by "dists" from package "cba" can be used.
203    
204  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206          * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according          * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according

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