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* R FAQ: (R-FAQ). The R statistical system FAQ.
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* R FAQ: (R-FAQ). The R statistical system FAQ.
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END-INFO-DIR-ENTRY
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END-INFO-DIR-ENTRY
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| 5 |
R FAQ
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5 |
R FAQ
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Frequently Asked Questions on R
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6 |
Frequently Asked Questions on R
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| 7 |
Version 1.8-40, 2004-02-13
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7 |
Version 1.8-41, 2004-02-16
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ISBN 3-900051-01-1
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ISBN 3-900051-01-1
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| 9 |
Kurt Hornik
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9 |
Kurt Hornik
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10 |
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| 11 |
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Table of Contents
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12 |
Table of Contents
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| 1156 |
extensions to R to facilitate running R scripts through the CGI interface
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1156 |
extensions to R to facilitate running R scripts through the CGI interface
|
| 1157 |
to a web server. It is easily installed using Apache under Linux and in
|
1157 |
to a web server. It is easily installed using Apache under Linux and in
|
| 1158 |
principle should run on any platform that supports R and a web server
|
1158 |
principle should run on any platform that supports R and a web server
|
| 1159 |
provided that the installer has the necessary security permissions.
|
1159 |
provided that the installer has the necessary security permissions.
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| 1160 |
|
1160 |
|
| 1161 |
*Rcgi* is a CGI WWW interface to R by Mark J. Ray
|
1161 |
*Rcgi* is a CGI WWW interface to R by MJ Ray <mjr@dsl.pipex.com>. It
|
| 1162 |
<mjr@stats.mth.uea.ac.uk>. It had the ability to use "embedded code": you
|
1162 |
had the ability to use "embedded code": you could mix user input and code,
|
| 1163 |
could mix user input and code, allowing the HTML author to do anything from
|
1163 |
allowing the HTML author to do anything from load in data sets to enter
|
| 1164 |
load in data sets to enter most of the commands for users without writing
|
1164 |
most of the commands for users without writing CGI scripts. Graphical
|
| 1165 |
CGI scripts. Graphical output was possible in PostScript or GIF formats
|
1165 |
output was possible in PostScript or GIF formats and the executed code was
|
| 1166 |
and the executed code was presented to the user for revision. However, it
|
1166 |
presented to the user for revision. However, it is not clear if the
|
| 1167 |
is not clear if the project is still active and recent attempts to contact
|
- |
|
| 1168 |
the author or find the package have failed. Currently, a modified version
|
1167 |
project is still active. Currently, a modified version of *Rcgi* by Mai
|
| 1169 |
of *Rcgi* by Mai Zhou <mai@ms.uky.edu> (actually, two versions: one with
|
1168 |
Zhou <mai@ms.uky.edu> (actually, two versions: one with (bitmap) graphics
|
| 1170 |
(bitmap) graphics and one without) as well as the original code are
|
1169 |
and one without) as well as the original code are available from
|
| 1171 |
available from `http://www.ms.uky.edu/~statweb'.
|
1170 |
`http://www.ms.uky.edu/~statweb'.
|
| 1172 |
|
1171 |
|
| 1173 |
5 R Add-On Packages
|
1172 |
5 R Add-On Packages
|
| 1174 |
*******************
|
1173 |
*******************
|
| 1175 |
|
1174 |
|
| 1176 |
5.1 Which add-on packages exist for R?
|
1175 |
5.1 Which add-on packages exist for R?
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| 1909 |
processes.
|
1908 |
processes.
|
| 1910 |
|
1909 |
|
| 1911 |
*its*
|
1910 |
*its*
|
| 1912 |
An S4 class for handling irregular time series.
|
1911 |
An S4 class for handling irregular time series.
|
| 1913 |
|
1912 |
|
| - |
|
1913 |
*kernlab*
|
| - |
|
1914 |
Kernel-based machine learning methods including support vector
|
| - |
|
1915 |
machines. (Currently in `1.9.0/Other'.)
|
| - |
|
1916 |
|
| 1914 |
*knnTree*
|
1917 |
*knnTree*
|
| 1915 |
Construct or predict with k-nearest-neighbor classifiers, using
|
1918 |
Construct or predict with k-nearest-neighbor classifiers, using
|
| 1916 |
cross-validation to select k, choose variables (by forward or
|
1919 |
cross-validation to select k, choose variables (by forward or
|
| 1917 |
backwards selection), and choose scaling (from among no scaling,
|
1920 |
backwards selection), and choose scaling (from among no scaling,
|
| 1918 |
scaling each column by its SD, or scaling each column by its MAD).
|
1921 |
scaling each column by its SD, or scaling each column by its MAD).
|
The R Project SVN
R