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Annotation of /trunk/tm/ChangeLog

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Revision 75 - (view) (download)
Original Path: trunk/R/textmin/ChangeLog

1 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
2 :    
3 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
4 :     to s_filter.
5 :    
6 :     * R/textdoccol.R: Local text documents' metadata can now be copied
7 :     to a document collection's data frame with prescind_meta.
8 :    
9 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
10 :    
11 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
12 :    
13 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
14 :    
15 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
16 :    
17 :     * R/: Various fixes in handling metadata.
18 :    
19 :     * R/: Added update mechanism for text document collections.
20 :    
21 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
22 :    
23 :     * R/: Merging of document collections now creates a binary tree
24 :     for reconstructing merged document collections.
25 :    
26 :     * R/: Redesign of metadata for document collections.
27 :    
28 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
29 :    
30 :     * R/: Messages now use \code{ngettext}.
31 :    
32 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
33 :    
34 :     * R/: Added functions for modifying and removing metadata.
35 :    
36 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
37 :    
38 :     * man/: Updated some documentation.
39 :    
40 :     * R/: Corrected some connection issues.
41 :    
42 :     * inst/doc: Worked on the vignette.
43 :    
44 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
45 :    
46 : feinerer 66 * inst/: Added texts and started vignette.
47 :    
48 : feinerer 65 * R/: Final changes based upon David's comments.
49 :    
50 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
51 :    
52 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
53 :     directives!).
54 :    
55 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
56 :    
57 :     * R/: Modified the TextDocCol constructur and various parsers. It
58 :     is now modular and supports various file formats via plugins (see
59 :     the new "Source" class).
60 :    
61 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
62 :    
63 :     * man/: Revised documentation after previous code changes.
64 :    
65 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
66 :    
67 :     * R/: Remaining changes as discussed with David.
68 :    
69 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
70 :    
71 :     * R/: Some changes as suggested by David. The rest will follow
72 :     within the next days.
73 :    
74 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
75 :    
76 :     * man/: Finished documentation.
77 :    
78 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
79 :    
80 :     * man/: Wrote some documentation.
81 :    
82 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
83 :    
84 :     * R/: Further syntactic sugar in form of additional assignment and
85 :     accessor methods.
86 :    
87 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
88 :    
89 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
90 : feinerer 56 operators.
91 : feinerer 54
92 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
93 :    
94 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
95 :     and dissimilarities.
96 :    
97 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
98 :    
99 :     * R/: Added similarity functions.
100 :    
101 :     * data/: Added english stopwords.
102 :    
103 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
104 :    
105 : feinerer 51 * data/: Examples compiled for new features
106 :    
107 :     * R/: Changes due to new structure.
108 :    
109 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
110 :    
111 :     * R/termdocmatrix.R: Adapted for new naming scheme.
112 :    
113 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
114 :    
115 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
116 :     several transform and filter functions operating on text document
117 :     collections (alias text document databases).
118 :    
119 :     * R/aobjects.R: Adapted class structure with inheritance,
120 :     repositories and additional meta data. Loading files on demand is
121 :     now possible.
122 :    
123 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
124 :    
125 :     * R/: Some cosmetic cleanups.
126 :    
127 :     * inst/: Removed vignette on clustering. That and much more is now
128 :     described in the JSS paper on text mining. Based upon that
129 :     article an elaborated vignette will be incorporated in the future.
130 :    
131 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
132 :    
133 :     * R/: Updated generic S4 methods to comply with signature changes
134 :     in newer versions of R (> 2.3)
135 :    
136 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
137 :    
138 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
139 :    
140 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
141 :    
142 :     * R/textdoccol.R: Added RIS HTML input format.
143 :    
144 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
145 :    
146 :     * R/textdoccol.R: Removed bug that caused invalid text document
147 :     collections when handling many input files.
148 :    
149 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
150 :    
151 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
152 :     mechanism.
153 :    
154 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
155 :     ReutNews.rda
156 :    
157 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
158 :    
159 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
160 :    
161 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
162 :    
163 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
164 :     clustering facilities of this package.
165 :    
166 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
167 :    
168 :     * R/aobjects.R: Changed package document structure to avoid class
169 :     dependency problems.
170 :    
171 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
172 :    
173 : feinerer 29 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
174 :     data set.
175 :    
176 : feinerer 28 * Finished documentation and reordered directory structure. Now "R
177 :     CMD check textmin" works without errors.
178 :    
179 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
180 :    
181 :     * src/: Various splits can now be easily created for the
182 :     Reuters21578 data set.
183 :    
184 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
185 :    
186 :     * Updated documentation
187 :    
188 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
189 :    
190 :     * Wrote R documentation for some classes and methods.
191 :    
192 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
193 :    
194 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
195 :     files. See the questionnaire data/Umfrage.csv for such an example.
196 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
197 : feinerer 22
198 : feinerer 21 * Changed class interfaces in various files. Weighting of the text
199 :     matrix is now possible.
200 :    
201 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
202 :    
203 :     * R/textdoccol.R: One can build term-document matrices if
204 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
205 :     document collection with it.
206 :    
207 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
208 :    
209 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
210 :    
211 :     * R/textdoccol.R: We now can read in a whole XML file with several
212 :     news items.
213 :    
214 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
215 :    
216 :     * R/textdoccol.R: Set up an S4 class for a collection of text
217 :     documents. A first attempt to read in XML input (like the RCV1
218 :     set) was made.
219 :    
220 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
221 :     some accessor functions.
222 :    
223 :     * data/newsitem.xml: Added this XML file for testing purposes. It
224 :     contains a single news item from the Reuters Corpus Volume 1
225 :     (RCV1) XML set.
226 :    
227 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
228 :    
229 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
230 :     textmatrix as k-means clustering provided by R (kmeans) now works on
231 :     this textmatrix. The result is a k-means text clustering with a
232 :     similarity measure based upon word frequences.
233 :    
234 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
235 :    
236 :     * R/textmatrix.R: Adapted the preprocessing code from the R
237 :     package "lsa" written by Fridolin Wild to build a document text matrix.
238 :    
239 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
240 :    
241 :     * Set up the R Text Mining Package infrastructure.

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