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revision 730, Wed Apr 11 02:15:10 2007 UTC revision 800, Thu Nov 29 13:36:31 2007 UTC
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1    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/textdoccol.R (TextDocCol): Better handling of empty
4            arguments.
5    
6            * NAMESPACE: Exported readDOC.
7    
8            * man/completeStems.Rd: Added an example.
9    
10    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
11    
12            * R/stopwords.R (stopwords): Look up .dat files at every
13            call. Allows users to modify stopword .dat files interactively.
14    
15    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
16    
17            * R/termdocmatrix.R (termFreq): Correct processing of empty
18            documents.
19    
20    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * man/: Updated documentation.
23    
24    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
25    
26            * R/complete.R (completeStems): Completes (heuristically) word
27            stems.
28    
29            * R/termdocmatrix.R (TermDocMatrix2): New modular
30            constructor.
31    
32            * NAMESPACE: Exported termFreq.
33    
34    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
35    
36            * R/reader.R (readDOC): Added MS Word reader (using antiword).
37    
38    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
39    
40            * R/weight.R: Weighting functions for TermDocMatrix.
41    
42    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
43    
44            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
45            functions for accessing dimension, column, and row names.
46    
47            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
48    
49    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
52    
53    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
54    
55            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
56    
57    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * R/reader.R (readPDF): Removed manual checks for pdftotext and
60            pdfinfo. The system call gives a warning anyway.
61    
62    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/textdoccol.R (asPlain): Conversion from
65            StructuredTextDocuments to PlainTextDocuments.
66    
67    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
70            for accessing term-document matrices.
71    
72            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
73            are installed.
74    
75    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
76    
77            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
78            Christian Buchta.
79    
80    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
81    
82            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
83    
84    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
85    
86            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
87    
88            * R/reader.R (readPDF): Added PDF reader.
89    
90    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
93    
94            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
95    
96            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
97    
98            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
99    
100    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/distmeasure.R (dissimilarity): Replaced dists call from
103            package cba by new dist call from package proxy.
104    
105    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
106    
107            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
108    
109    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
110    
111            * R/termdocmatrix.R: require() uses the quietly option to suppress
112            loading messages.
113    
114    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
115    
116            * R/dictionary.R: Added dictionary support.
117    
118    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
119    
120            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
121            documents. This simplifies some functions, e.g., asPlain.
122    
123    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * inst/doc/tm.Rnw: Fixed some typos in vignette.
126    
127    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
128    
129            * R/textdoccol.R (replaceWords): Added method to replace a set of
130            words by a single word. Useful for synonyms.
131    
132    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
133    
134            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
135    
136    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
139            vectors. Thanks to Ariel Maguyon for his error report.
140            (removeSparseTerms): New function to remove columns from a
141            term-document matrix exceeding a sparse factor.
142    
143    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
144    
145            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
146    
147    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
148    
149            * man/sFilter.Rd: Corrected documentation on statement format (use
150            '==' instead of '=').
151    
152    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
153    
154            * R/aobjects.R (StructuredTextDocument): Inherits from
155            TextDocument.
156    
157    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
158    
159            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
160            on sparse matrices as proposed by Martin Maechler.
161    
162    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
163    
164            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
165            \pkg{filehash} version makes them deprecated.
166    
167    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
168    
169            * R/termdocmatrix.R (textvector): Stemming is now performed before
170            erasing stopwords.
171            (weightMatrix): Adapted to handle sparse matrices.
172            (TermDocMatrix): Sparse matrix is now efficiently built by
173            direct stepwise insertion of row values into it.
174    
175    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
178            due to ongoing problems. For our purposes the latter is as useful
179            as the replaced package.
180    
181    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
182    
183            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
184    
185            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
186    
187    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
190            languages with available stopwords.
191    
192    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
193    
194            * inst/doc/tm.Rnw: Minor corrections in the vignette.
195    
196    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
197    
198            * DESCRIPTION: Update to version 0.2, since a lot of new features
199            have been integrated.
200    
201            * inst/stopwords: Updated existing stopwords and added stopwords
202            for various other languages.
203    
204  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
205    
206          * man/: Updated documentation.          * man/: Updated documentation.

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