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revision 722, Sun Apr 1 15:53:58 2007 UTC revision 797, Sun Nov 18 09:54:14 2007 UTC
# Line 1  Line 1 
1    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/stopwords.R (stopwords): Look up .dat files at every
4            call. Allows users to modify stopword .dat files interactively.
5    
6    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
7    
8            * R/termdocmatrix.R (termFreq): Correct processing of empty
9            documents.
10    
11    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
12    
13            * man/: Updated documentation.
14    
15    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/complete.R (completeStems): Completes (heuristically) word
18            stems.
19    
20            * R/termdocmatrix.R (TermDocMatrix2): New modular
21            constructor.
22    
23            * NAMESPACE: Exported termFreq.
24    
25    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
26    
27            * R/reader.R (readDOC): Added MS Word reader (using antiword).
28    
29    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
30    
31            * R/weight.R: Weighting functions for TermDocMatrix.
32    
33    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
34    
35            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
36            functions for accessing dimension, column, and row names.
37    
38            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
39    
40    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
43    
44    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
45    
46            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
47    
48    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
49    
50            * R/reader.R (readPDF): Removed manual checks for pdftotext and
51            pdfinfo. The system call gives a warning anyway.
52    
53    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/textdoccol.R (asPlain): Conversion from
56            StructuredTextDocuments to PlainTextDocuments.
57    
58    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
61            for accessing term-document matrices.
62    
63            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
64            are installed.
65    
66    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
67    
68            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
69            Christian Buchta.
70    
71    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
72    
73            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
74    
75    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
78    
79            * R/reader.R (readPDF): Added PDF reader.
80    
81    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
84    
85            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
86    
87            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
88    
89            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
90    
91    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
92    
93            * R/distmeasure.R (dissimilarity): Replaced dists call from
94            package cba by new dist call from package proxy.
95    
96    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
97    
98            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
99    
100    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/termdocmatrix.R: require() uses the quietly option to suppress
103            loading messages.
104    
105    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * R/dictionary.R: Added dictionary support.
108    
109    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
112            documents. This simplifies some functions, e.g., asPlain.
113    
114    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * inst/doc/tm.Rnw: Fixed some typos in vignette.
117    
118    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/textdoccol.R (replaceWords): Added method to replace a set of
121            words by a single word. Useful for synonyms.
122    
123    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
126    
127    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
130            vectors. Thanks to Ariel Maguyon for his error report.
131            (removeSparseTerms): New function to remove columns from a
132            term-document matrix exceeding a sparse factor.
133    
134    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
137    
138    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
139    
140            * man/sFilter.Rd: Corrected documentation on statement format (use
141            '==' instead of '=').
142    
143    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * R/aobjects.R (StructuredTextDocument): Inherits from
146            TextDocument.
147    
148    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
149    
150            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
151            on sparse matrices as proposed by Martin Maechler.
152    
153    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
154    
155            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
156            \pkg{filehash} version makes them deprecated.
157    
158    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
159    
160            * R/termdocmatrix.R (textvector): Stemming is now performed before
161            erasing stopwords.
162            (weightMatrix): Adapted to handle sparse matrices.
163            (TermDocMatrix): Sparse matrix is now efficiently built by
164            direct stepwise insertion of row values into it.
165    
166    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
169            due to ongoing problems. For our purposes the latter is as useful
170            as the replaced package.
171    
172    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
173    
174            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
175    
176            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
177    
178    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
181            languages with available stopwords.
182    
183    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
184    
185            * inst/doc/tm.Rnw: Minor corrections in the vignette.
186    
187    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * DESCRIPTION: Update to version 0.2, since a lot of new features
190            have been integrated.
191    
192            * inst/stopwords: Updated existing stopwords and added stopwords
193            for various other languages.
194    
195    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
196    
197            * man/: Updated documentation.
198    
199            * Work/testDb.R: Script to test database stuff.
200    
201            * R/: Fixed various database related bugs. Seems to be rather
202            useable now, i.e., consider as alpha status for now.
203    
204    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206            * R/: Fixed some bugs related to database support.
207    
208    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
209    
210            * man/: Added a lot of examples to the manuals.
211    
212    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
213    
214            * man/: Updated parts of the documentation.
215    
216            * R/textdoccol.R (asPlain): Added conversion from newsgroup
217            documents to plain text documents.
218    
219  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
220    
221            * R/textdoccol.R: Finished experimental database support. Not yet
222            intensively tested.
223    
224            * R/source.R: Now each source has a default reader.
225    
226          * R/reader.R: \code{FunctionGenerator} is now an attribute, not a          * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
227          class anymore.          class anymore.
228    
# Line 12  Line 235 
235    
236          * R/textdoccol.R (summary): Indent tags.          * R/textdoccol.R (summary): Indent tags.
237    
238          * R/textdocco.R (removePunctuation): Transform method to remove          * R/textdoccol.R (removePunctuation): Transform method to remove
239          punctuation marks.          punctuation marks.
240    
241  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>

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