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revision 727, Sun Apr 8 19:36:41 2007 UTC revision 790, Sun Oct 21 08:27:13 2007 UTC
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1    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (TermDocMatrix2): New modular
4            constructor.
5    
6            * NAMESPACE: Exported termFreq.
7    
8    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * R/reader.R (readDOC): Added MS Word reader (using antiword).
11    
12    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * R/weight.R: Weighting functions for TermDocMatrix.
15    
16    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
17    
18            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
19            functions for accessing dimension, column, and row names.
20    
21            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
22    
23    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
24    
25            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
26    
27    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
28    
29            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
30    
31    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/reader.R (readPDF): Removed manual checks for pdftotext and
34            pdfinfo. The system call gives a warning anyway.
35    
36    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
37    
38            * R/textdoccol.R (asPlain): Conversion from
39            StructuredTextDocuments to PlainTextDocuments.
40    
41    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
42    
43            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
44            for accessing term-document matrices.
45    
46            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
47            are installed.
48    
49    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
50    
51            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
52            Christian Buchta.
53    
54    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
55    
56            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
57    
58    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
59    
60            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
61    
62            * R/reader.R (readPDF): Added PDF reader.
63    
64    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
65    
66            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
67    
68            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
69    
70            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
71    
72            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
73    
74    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
75    
76            * R/distmeasure.R (dissimilarity): Replaced dists call from
77            package cba by new dist call from package proxy.
78    
79    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
80    
81            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
82    
83    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
84    
85            * R/termdocmatrix.R: require() uses the quietly option to suppress
86            loading messages.
87    
88    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
89    
90            * R/dictionary.R: Added dictionary support.
91    
92    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
93    
94            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
95            documents. This simplifies some functions, e.g., asPlain.
96    
97    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
98    
99            * inst/doc/tm.Rnw: Fixed some typos in vignette.
100    
101    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
102    
103            * R/textdoccol.R (replaceWords): Added method to replace a set of
104            words by a single word. Useful for synonyms.
105    
106    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
107    
108            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
109    
110    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
111    
112            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
113            vectors. Thanks to Ariel Maguyon for his error report.
114            (removeSparseTerms): New function to remove columns from a
115            term-document matrix exceeding a sparse factor.
116    
117    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
118    
119            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
120    
121    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
122    
123            * man/sFilter.Rd: Corrected documentation on statement format (use
124            '==' instead of '=').
125    
126    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
127    
128            * R/aobjects.R (StructuredTextDocument): Inherits from
129            TextDocument.
130    
131    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
132    
133            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
134            on sparse matrices as proposed by Martin Maechler.
135    
136    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
137    
138            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
139            \pkg{filehash} version makes them deprecated.
140    
141    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/termdocmatrix.R (textvector): Stemming is now performed before
144            erasing stopwords.
145            (weightMatrix): Adapted to handle sparse matrices.
146            (TermDocMatrix): Sparse matrix is now efficiently built by
147            direct stepwise insertion of row values into it.
148    
149    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
150    
151            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
152            due to ongoing problems. For our purposes the latter is as useful
153            as the replaced package.
154    
155    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
156    
157            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
158    
159            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
160    
161    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
162    
163            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
164            languages with available stopwords.
165    
166    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * inst/doc/tm.Rnw: Minor corrections in the vignette.
169    
170    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
171    
172            * DESCRIPTION: Update to version 0.2, since a lot of new features
173            have been integrated.
174    
175            * inst/stopwords: Updated existing stopwords and added stopwords
176            for various other languages.
177    
178    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
179    
180            * man/: Updated documentation.
181    
182            * Work/testDb.R: Script to test database stuff.
183    
184            * R/: Fixed various database related bugs. Seems to be rather
185            useable now, i.e., consider as alpha status for now.
186    
187  2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
188    
189          * R/: Fixed some bugs related to database support.          * R/: Fixed some bugs related to database support.

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