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revision 711, Tue Jan 30 13:03:55 2007 UTC revision 796, Tue Nov 6 15:22:34 2007 UTC
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1    2007-11-06  Ingo Feinerer  <feinerer@logic.at>
2    
3            * R/termdocmatrix.R (termFreq): Correct processing of empty
4            documents.
5    
6    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * man/: Updated documentation.
9    
10    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/complete.R (completeStems): Completes (heuristically) word
13            stems.
14    
15            * R/termdocmatrix.R (TermDocMatrix2): New modular
16            constructor.
17    
18            * NAMESPACE: Exported termFreq.
19    
20    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/reader.R (readDOC): Added MS Word reader (using antiword).
23    
24    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/weight.R: Weighting functions for TermDocMatrix.
27    
28    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
29    
30            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
31            functions for accessing dimension, column, and row names.
32    
33            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
34    
35    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
38    
39    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
40    
41            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
42    
43    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
44    
45            * R/reader.R (readPDF): Removed manual checks for pdftotext and
46            pdfinfo. The system call gives a warning anyway.
47    
48    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/textdoccol.R (asPlain): Conversion from
51            StructuredTextDocuments to PlainTextDocuments.
52    
53    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
56            for accessing term-document matrices.
57    
58            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
59            are installed.
60    
61    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
64            Christian Buchta.
65    
66    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
69    
70    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
71    
72            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
73    
74            * R/reader.R (readPDF): Added PDF reader.
75    
76    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
79    
80            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
81    
82            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
83    
84            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
85    
86    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * R/distmeasure.R (dissimilarity): Replaced dists call from
89            package cba by new dist call from package proxy.
90    
91    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
94    
95    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
96    
97            * R/termdocmatrix.R: require() uses the quietly option to suppress
98            loading messages.
99    
100    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/dictionary.R: Added dictionary support.
103    
104    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
107            documents. This simplifies some functions, e.g., asPlain.
108    
109    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * inst/doc/tm.Rnw: Fixed some typos in vignette.
112    
113    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
114    
115            * R/textdoccol.R (replaceWords): Added method to replace a set of
116            words by a single word. Useful for synonyms.
117    
118    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
121    
122    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
123    
124            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
125            vectors. Thanks to Ariel Maguyon for his error report.
126            (removeSparseTerms): New function to remove columns from a
127            term-document matrix exceeding a sparse factor.
128    
129    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
130    
131            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
132    
133    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * man/sFilter.Rd: Corrected documentation on statement format (use
136            '==' instead of '=').
137    
138    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * R/aobjects.R (StructuredTextDocument): Inherits from
141            TextDocument.
142    
143    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
146            on sparse matrices as proposed by Martin Maechler.
147    
148    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
151            \pkg{filehash} version makes them deprecated.
152    
153    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
154    
155            * R/termdocmatrix.R (textvector): Stemming is now performed before
156            erasing stopwords.
157            (weightMatrix): Adapted to handle sparse matrices.
158            (TermDocMatrix): Sparse matrix is now efficiently built by
159            direct stepwise insertion of row values into it.
160    
161    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
164            due to ongoing problems. For our purposes the latter is as useful
165            as the replaced package.
166    
167    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
170    
171            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
172    
173    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
176            languages with available stopwords.
177    
178    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * inst/doc/tm.Rnw: Minor corrections in the vignette.
181    
182    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
183    
184            * DESCRIPTION: Update to version 0.2, since a lot of new features
185            have been integrated.
186    
187            * inst/stopwords: Updated existing stopwords and added stopwords
188            for various other languages.
189    
190    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * man/: Updated documentation.
193    
194            * Work/testDb.R: Script to test database stuff.
195    
196            * R/: Fixed various database related bugs. Seems to be rather
197            useable now, i.e., consider as alpha status for now.
198    
199    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
200    
201            * R/: Fixed some bugs related to database support.
202    
203    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
204    
205            * man/: Added a lot of examples to the manuals.
206    
207    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
208    
209            * man/: Updated parts of the documentation.
210    
211            * R/textdoccol.R (asPlain): Added conversion from newsgroup
212            documents to plain text documents.
213    
214    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
215    
216            * R/textdoccol.R: Finished experimental database support. Not yet
217            intensively tested.
218    
219            * R/source.R: Now each source has a default reader.
220    
221            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
222            class anymore.
223    
224            * R/plaintextdoc.R: Custom show method for plain text documents.
225    
226            * R/aobjects.R: Added a class for structured text documents.
227    
228            * R/reader.R: Replaced remaining \code{parser} occurrences with
229            \code{reader}.
230    
231            * R/textdoccol.R (summary): Indent tags.
232    
233            * R/textdoccol.R (removePunctuation): Transform method to remove
234            punctuation marks.
235    
236    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
237    
238            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
239            using prescindMeta().
240    
241    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * R/textdoccol.R: Improved database support.
244    
245    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
246    
247            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
248    
249            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
250            language code.
251    
252            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
253            into parserControl argument.
254    
255            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
256    
257    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
258    
259            * Work/tmDataSetup.R: The datasets acq and crude can now be
260            created on the fly.
261    
262            * R/stopwords.R: Introduced a function returning the stopwords for
263            a given language (English, German and French at the moment)
264    
265            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
266            otherwise falls back to Snowball package.
267    
268  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
269    
270          * man/dissimilarity-methods.Rd: Make clear that any method offered          * man/dissimilarity-methods.Rd: Make clear that any method offered

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