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Diff of /trunk/tm/ChangeLog

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revision 715, Wed Mar 14 15:16:27 2007 UTC revision 776, Sun Jul 29 15:27:41 2007 UTC
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1    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/reader.R (readPDF): Removed manual checks for pdftotext and
4            pdfinfo. The system call gives a warning anyway.
5    
6    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/textdoccol.R (asPlain): Conversion from
9            StructuredTextDocuments to PlainTextDocuments.
10    
11    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
14            for accessing term-document matrices.
15    
16            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
17            are installed.
18    
19    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
20    
21            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
22            Christian Buchta.
23    
24    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
27    
28    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
31    
32            * R/reader.R (readPDF): Added PDF reader.
33    
34    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
37    
38            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
39    
40            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
41    
42            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
43    
44    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/distmeasure.R (dissimilarity): Replaced dists call from
47            package cba by new dist call from package proxy.
48    
49    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
52    
53    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/termdocmatrix.R: require() uses the quietly option to suppress
56            loading messages.
57    
58    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/dictionary.R: Added dictionary support.
61    
62    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
65            documents. This simplifies some functions, e.g., asPlain.
66    
67    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * inst/doc/tm.Rnw: Fixed some typos in vignette.
70    
71    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * R/textdoccol.R (replaceWords): Added method to replace a set of
74            words by a single word. Useful for synonyms.
75    
76    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
79    
80    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
81    
82            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
83            vectors. Thanks to Ariel Maguyon for his error report.
84            (removeSparseTerms): New function to remove columns from a
85            term-document matrix exceeding a sparse factor.
86    
87    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
88    
89            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
90    
91    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * man/sFilter.Rd: Corrected documentation on statement format (use
94            '==' instead of '=').
95    
96    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * R/aobjects.R (StructuredTextDocument): Inherits from
99            TextDocument.
100    
101    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
102    
103            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
104            on sparse matrices as proposed by Martin Maechler.
105    
106    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
109            \pkg{filehash} version makes them deprecated.
110    
111    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
112    
113            * R/termdocmatrix.R (textvector): Stemming is now performed before
114            erasing stopwords.
115            (weightMatrix): Adapted to handle sparse matrices.
116            (TermDocMatrix): Sparse matrix is now efficiently built by
117            direct stepwise insertion of row values into it.
118    
119    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
122            due to ongoing problems. For our purposes the latter is as useful
123            as the replaced package.
124    
125    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
128    
129            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
130    
131    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
134            languages with available stopwords.
135    
136    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * inst/doc/tm.Rnw: Minor corrections in the vignette.
139    
140    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
141    
142            * DESCRIPTION: Update to version 0.2, since a lot of new features
143            have been integrated.
144    
145            * inst/stopwords: Updated existing stopwords and added stopwords
146            for various other languages.
147    
148    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * man/: Updated documentation.
151    
152            * Work/testDb.R: Script to test database stuff.
153    
154            * R/: Fixed various database related bugs. Seems to be rather
155            useable now, i.e., consider as alpha status for now.
156    
157    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/: Fixed some bugs related to database support.
160    
161    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * man/: Added a lot of examples to the manuals.
164    
165    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * man/: Updated parts of the documentation.
168    
169            * R/textdoccol.R (asPlain): Added conversion from newsgroup
170            documents to plain text documents.
171    
172    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/textdoccol.R: Finished experimental database support. Not yet
175            intensively tested.
176    
177            * R/source.R: Now each source has a default reader.
178    
179            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
180            class anymore.
181    
182            * R/plaintextdoc.R: Custom show method for plain text documents.
183    
184            * R/aobjects.R: Added a class for structured text documents.
185    
186            * R/reader.R: Replaced remaining \code{parser} occurrences with
187            \code{reader}.
188    
189            * R/textdoccol.R (summary): Indent tags.
190    
191            * R/textdoccol.R (removePunctuation): Transform method to remove
192            punctuation marks.
193    
194    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
197            using prescindMeta().
198    
199    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/textdoccol.R: Improved database support.
202    
203    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
206    
207            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
208            language code.
209    
210            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
211            into parserControl argument.
212    
213            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
214    
215  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
216    
217          * Work/tmDataSetup.R: The datasets acq and crude can now be          * Work/tmDataSetup.R: The datasets acq and crude can now be

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