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revision 719, Sun Mar 18 09:24:47 2007 UTC revision 802, Sun Dec 2 09:28:41 2007 UTC
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1    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/stopwords.R (stopwords): Shortened code, removed codetools
4            variable warnings.
5    
6            * man/: Documentation for showMeta, added an example for tmMap.
7    
8            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
9            some minor typos fixed.
10    
11    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * R/aobjects.R (showMeta): Added method for pretty printing a
14            text document's meta data.
15    
16    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/textdoccol.R (TextDocCol): Better handling of empty
19            arguments.
20    
21            * NAMESPACE: Exported readDOC.
22    
23            * man/completeStems.Rd: Added an example.
24    
25    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * R/stopwords.R (stopwords): Look up .dat files at every
28            call. Allows users to modify stopword .dat files interactively.
29    
30    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
31    
32            * R/termdocmatrix.R (termFreq): Correct processing of empty
33            documents.
34    
35    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * man/: Updated documentation.
38    
39    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/complete.R (completeStems): Completes (heuristically) word
42            stems.
43    
44            * R/termdocmatrix.R (TermDocMatrix2): New modular
45            constructor.
46    
47            * NAMESPACE: Exported termFreq.
48    
49    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/reader.R (readDOC): Added MS Word reader (using antiword).
52    
53    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/weight.R: Weighting functions for TermDocMatrix.
56    
57    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
60            functions for accessing dimension, column, and row names.
61    
62            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
63    
64    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
67    
68    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
69    
70            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
71    
72    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
73    
74            * R/reader.R (readPDF): Removed manual checks for pdftotext and
75            pdfinfo. The system call gives a warning anyway.
76    
77    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
78    
79            * R/textdoccol.R (asPlain): Conversion from
80            StructuredTextDocuments to PlainTextDocuments.
81    
82    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
85            for accessing term-document matrices.
86    
87            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
88            are installed.
89    
90    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
93            Christian Buchta.
94    
95    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
98    
99    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
100    
101            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
102    
103            * R/reader.R (readPDF): Added PDF reader.
104    
105    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
108    
109            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
110    
111            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
112    
113            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
114    
115    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/distmeasure.R (dissimilarity): Replaced dists call from
118            package cba by new dist call from package proxy.
119    
120    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
123    
124    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/termdocmatrix.R: require() uses the quietly option to suppress
127            loading messages.
128    
129    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * R/dictionary.R: Added dictionary support.
132    
133    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
136            documents. This simplifies some functions, e.g., asPlain.
137    
138    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * inst/doc/tm.Rnw: Fixed some typos in vignette.
141    
142    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
143    
144            * R/textdoccol.R (replaceWords): Added method to replace a set of
145            words by a single word. Useful for synonyms.
146    
147    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
150    
151    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
152    
153            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
154            vectors. Thanks to Ariel Maguyon for his error report.
155            (removeSparseTerms): New function to remove columns from a
156            term-document matrix exceeding a sparse factor.
157    
158    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
161    
162    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * man/sFilter.Rd: Corrected documentation on statement format (use
165            '==' instead of '=').
166    
167    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/aobjects.R (StructuredTextDocument): Inherits from
170            TextDocument.
171    
172    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
175            on sparse matrices as proposed by Martin Maechler.
176    
177    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
178    
179            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
180            \pkg{filehash} version makes them deprecated.
181    
182    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * R/termdocmatrix.R (textvector): Stemming is now performed before
185            erasing stopwords.
186            (weightMatrix): Adapted to handle sparse matrices.
187            (TermDocMatrix): Sparse matrix is now efficiently built by
188            direct stepwise insertion of row values into it.
189    
190    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
193            due to ongoing problems. For our purposes the latter is as useful
194            as the replaced package.
195    
196    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
197    
198            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
199    
200            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
201    
202    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
205            languages with available stopwords.
206    
207    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * inst/doc/tm.Rnw: Minor corrections in the vignette.
210    
211    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
212    
213            * DESCRIPTION: Update to version 0.2, since a lot of new features
214            have been integrated.
215    
216            * inst/stopwords: Updated existing stopwords and added stopwords
217            for various other languages.
218    
219    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * man/: Updated documentation.
222    
223            * Work/testDb.R: Script to test database stuff.
224    
225            * R/: Fixed various database related bugs. Seems to be rather
226            useable now, i.e., consider as alpha status for now.
227    
228    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * R/: Fixed some bugs related to database support.
231    
232    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
233    
234            * man/: Added a lot of examples to the manuals.
235    
236    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * man/: Updated parts of the documentation.
239    
240            * R/textdoccol.R (asPlain): Added conversion from newsgroup
241            documents to plain text documents.
242    
243    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
244    
245            * R/textdoccol.R: Finished experimental database support. Not yet
246            intensively tested.
247    
248            * R/source.R: Now each source has a default reader.
249    
250            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
251            class anymore.
252    
253            * R/plaintextdoc.R: Custom show method for plain text documents.
254    
255            * R/aobjects.R: Added a class for structured text documents.
256    
257            * R/reader.R: Replaced remaining \code{parser} occurrences with
258            \code{reader}.
259    
260            * R/textdoccol.R (summary): Indent tags.
261    
262            * R/textdoccol.R (removePunctuation): Transform method to remove
263            punctuation marks.
264    
265    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
266    
267            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
268            using prescindMeta().
269    
270  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272          * R/textdoccol.R: Improved database support.          * R/textdoccol.R: Improved database support.

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