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revision 719, Sun Mar 18 09:24:47 2007 UTC revision 801, Sat Dec 1 09:27:24 2007 UTC
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1    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/aobjects.R (showMeta): Added method for pretty printing a
4            text document's meta data.
5    
6    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/textdoccol.R (TextDocCol): Better handling of empty
9            arguments.
10    
11            * NAMESPACE: Exported readDOC.
12    
13            * man/completeStems.Rd: Added an example.
14    
15    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/stopwords.R (stopwords): Look up .dat files at every
18            call. Allows users to modify stopword .dat files interactively.
19    
20    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/termdocmatrix.R (termFreq): Correct processing of empty
23            documents.
24    
25    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * man/: Updated documentation.
28    
29    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/complete.R (completeStems): Completes (heuristically) word
32            stems.
33    
34            * R/termdocmatrix.R (TermDocMatrix2): New modular
35            constructor.
36    
37            * NAMESPACE: Exported termFreq.
38    
39    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/reader.R (readDOC): Added MS Word reader (using antiword).
42    
43    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/weight.R: Weighting functions for TermDocMatrix.
46    
47    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
50            functions for accessing dimension, column, and row names.
51    
52            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
53    
54    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
57    
58    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
61    
62    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/reader.R (readPDF): Removed manual checks for pdftotext and
65            pdfinfo. The system call gives a warning anyway.
66    
67    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/textdoccol.R (asPlain): Conversion from
70            StructuredTextDocuments to PlainTextDocuments.
71    
72    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
75            for accessing term-document matrices.
76    
77            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
78            are installed.
79    
80    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
81    
82            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
83            Christian Buchta.
84    
85    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
86    
87            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
88    
89    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
90    
91            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
92    
93            * R/reader.R (readPDF): Added PDF reader.
94    
95    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
98    
99            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
100    
101            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
102    
103            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
104    
105    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/distmeasure.R (dissimilarity): Replaced dists call from
108            package cba by new dist call from package proxy.
109    
110    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
113    
114    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * R/termdocmatrix.R: require() uses the quietly option to suppress
117            loading messages.
118    
119    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/dictionary.R: Added dictionary support.
122    
123    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
126            documents. This simplifies some functions, e.g., asPlain.
127    
128    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * inst/doc/tm.Rnw: Fixed some typos in vignette.
131    
132    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
133    
134            * R/textdoccol.R (replaceWords): Added method to replace a set of
135            words by a single word. Useful for synonyms.
136    
137    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
138    
139            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
140    
141    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
144            vectors. Thanks to Ariel Maguyon for his error report.
145            (removeSparseTerms): New function to remove columns from a
146            term-document matrix exceeding a sparse factor.
147    
148    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
151    
152    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * man/sFilter.Rd: Corrected documentation on statement format (use
155            '==' instead of '=').
156    
157    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/aobjects.R (StructuredTextDocument): Inherits from
160            TextDocument.
161    
162    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
165            on sparse matrices as proposed by Martin Maechler.
166    
167    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
170            \pkg{filehash} version makes them deprecated.
171    
172    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/termdocmatrix.R (textvector): Stemming is now performed before
175            erasing stopwords.
176            (weightMatrix): Adapted to handle sparse matrices.
177            (TermDocMatrix): Sparse matrix is now efficiently built by
178            direct stepwise insertion of row values into it.
179    
180    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
183            due to ongoing problems. For our purposes the latter is as useful
184            as the replaced package.
185    
186    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
187    
188            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
189    
190            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
191    
192    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
195            languages with available stopwords.
196    
197    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
198    
199            * inst/doc/tm.Rnw: Minor corrections in the vignette.
200    
201    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
202    
203            * DESCRIPTION: Update to version 0.2, since a lot of new features
204            have been integrated.
205    
206            * inst/stopwords: Updated existing stopwords and added stopwords
207            for various other languages.
208    
209    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * man/: Updated documentation.
212    
213            * Work/testDb.R: Script to test database stuff.
214    
215            * R/: Fixed various database related bugs. Seems to be rather
216            useable now, i.e., consider as alpha status for now.
217    
218    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/: Fixed some bugs related to database support.
221    
222    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
223    
224            * man/: Added a lot of examples to the manuals.
225    
226    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
227    
228            * man/: Updated parts of the documentation.
229    
230            * R/textdoccol.R (asPlain): Added conversion from newsgroup
231            documents to plain text documents.
232    
233    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
234    
235            * R/textdoccol.R: Finished experimental database support. Not yet
236            intensively tested.
237    
238            * R/source.R: Now each source has a default reader.
239    
240            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
241            class anymore.
242    
243            * R/plaintextdoc.R: Custom show method for plain text documents.
244    
245            * R/aobjects.R: Added a class for structured text documents.
246    
247            * R/reader.R: Replaced remaining \code{parser} occurrences with
248            \code{reader}.
249    
250            * R/textdoccol.R (summary): Indent tags.
251    
252            * R/textdoccol.R (removePunctuation): Transform method to remove
253            punctuation marks.
254    
255    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
256    
257            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
258            using prescindMeta().
259    
260  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
261    
262          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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