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revision 730, Wed Apr 11 02:15:10 2007 UTC revision 799, Thu Nov 29 11:05:23 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    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * R/stopwords.R (stopwords): Look up .dat files at every
11            call. Allows users to modify stopword .dat files interactively.
12    
13    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
14    
15            * R/termdocmatrix.R (termFreq): Correct processing of empty
16            documents.
17    
18    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
19    
20            * man/: Updated documentation.
21    
22    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * R/complete.R (completeStems): Completes (heuristically) word
25            stems.
26    
27            * R/termdocmatrix.R (TermDocMatrix2): New modular
28            constructor.
29    
30            * NAMESPACE: Exported termFreq.
31    
32    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/reader.R (readDOC): Added MS Word reader (using antiword).
35    
36    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/weight.R: Weighting functions for TermDocMatrix.
39    
40    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
43            functions for accessing dimension, column, and row names.
44    
45            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
46    
47    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
48    
49            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
50    
51    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
52    
53            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
54    
55    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
56    
57            * R/reader.R (readPDF): Removed manual checks for pdftotext and
58            pdfinfo. The system call gives a warning anyway.
59    
60    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
61    
62            * R/textdoccol.R (asPlain): Conversion from
63            StructuredTextDocuments to PlainTextDocuments.
64    
65    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
66    
67            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
68            for accessing term-document matrices.
69    
70            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
71            are installed.
72    
73    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
74    
75            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
76            Christian Buchta.
77    
78    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
81    
82    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
85    
86            * R/reader.R (readPDF): Added PDF reader.
87    
88    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
91    
92            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
93    
94            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
95    
96            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
97    
98    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
99    
100            * R/distmeasure.R (dissimilarity): Replaced dists call from
101            package cba by new dist call from package proxy.
102    
103    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
104    
105            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
106    
107    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
108    
109            * R/termdocmatrix.R: require() uses the quietly option to suppress
110            loading messages.
111    
112    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
113    
114            * R/dictionary.R: Added dictionary support.
115    
116    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
117    
118            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
119            documents. This simplifies some functions, e.g., asPlain.
120    
121    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * inst/doc/tm.Rnw: Fixed some typos in vignette.
124    
125    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
126    
127            * R/textdoccol.R (replaceWords): Added method to replace a set of
128            words by a single word. Useful for synonyms.
129    
130    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
131    
132            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
133    
134    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
135    
136            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
137            vectors. Thanks to Ariel Maguyon for his error report.
138            (removeSparseTerms): New function to remove columns from a
139            term-document matrix exceeding a sparse factor.
140    
141    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
144    
145    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
146    
147            * man/sFilter.Rd: Corrected documentation on statement format (use
148            '==' instead of '=').
149    
150    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/aobjects.R (StructuredTextDocument): Inherits from
153            TextDocument.
154    
155    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
158            on sparse matrices as proposed by Martin Maechler.
159    
160    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
161    
162            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
163            \pkg{filehash} version makes them deprecated.
164    
165    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
166    
167            * R/termdocmatrix.R (textvector): Stemming is now performed before
168            erasing stopwords.
169            (weightMatrix): Adapted to handle sparse matrices.
170            (TermDocMatrix): Sparse matrix is now efficiently built by
171            direct stepwise insertion of row values into it.
172    
173    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
174    
175            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
176            due to ongoing problems. For our purposes the latter is as useful
177            as the replaced package.
178    
179    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
180    
181            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
182    
183            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
184    
185    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
186    
187            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
188            languages with available stopwords.
189    
190    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
191    
192            * inst/doc/tm.Rnw: Minor corrections in the vignette.
193    
194    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
195    
196            * DESCRIPTION: Update to version 0.2, since a lot of new features
197            have been integrated.
198    
199            * inst/stopwords: Updated existing stopwords and added stopwords
200            for various other languages.
201    
202  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204          * man/: Updated documentation.          * man/: Updated documentation.

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