http://wiki.r-project.org/rwiki/ 2008-11-19T11:29:51+01:00 http://wiki.r-project.org/rwiki/ http://wiki.r-project.org/rwiki/lib/images/favicon.ico text/html 2008-11-19T11:29:21+01:00 Neil Shephard (nshephard@gmail.com) http://wiki.r-project.org/rwiki/doku.php?id=getting-started:installation:gentoo&do=diff1227090561 Installation of R on Gentoo is very easy, but there are a few gotchas. Gentoo uses a source package installation, and installation can be as simple as typing # emerge -uavDnN R and waiting for a bit. R is likely to pull in atlas, a basic numerical... text/html 2008-11-17T12:51:39+01:00 Dimitris Rizopoulos (dimitris.rizopoulos@med.kuleuven.be) http://wiki.r-project.org/rwiki/doku.php?id=packages:cran:ltm&do=diff1226922699 This package provides a flexible framework for Item Response Theory analyses for dichotomous and polytomous data under a Marginal Maximum Likelihood approach. The fitting algorithms provide valid inferences under Missing At Random missing data mecha... text/html 2008-11-12T21:38:05+01:00 Ruth Poole (rutpoule@yahoo.com) http://wiki.r-project.org/rwiki/doku.php?id=tips:using-platform:bluegene_p&do=diff1226522285 — Ruth Poole 2008/11/12 Introduction R is an open-source package for statistical computation. Information about R and downloads are available from http://www.r-project.org/ This document describes how to use the IBM® Blue Gene®/P compute no... text/html 2008-11-12T21:19:59+01:00 Ruth Poole (rutpoule@yahoo.com) http://wiki.r-project.org/rwiki/doku.php?id=tips:using-platform&do=diff1226521199 bluegene_p linux-gnome_mini_com macosx-dev macosx-graphics macosx-user windows-startup ... text/html 2008-11-10T21:13:46+01:00 Sigbert Klinke (sigbert@wiwi.hu-berlin.de) http://wiki.r-project.org/rwiki/doku.php?id=getting-started:installation:eeepc&do=diff1226348026 If anyone has experiences with a Eee PC 90x or Eee PC 100x then please add them here! Thanx. Eee PC 700 series Xandros Linux On Eee PC 701 4G runs a Xandros linux which is based on Debian linux. So most installation hints given for Debian linu... text/html 2008-10-20T21:22:56+01:00 J C Nash (nashjc@uottawa.ca) http://wiki.r-project.org/rwiki/doku.php?id=tips:graphics-misc:tiled-graphs&do=diff1224530576 It is fairly easy to create very large graphs with the postscript() command by specifying a large height and/or width. Then, using a program to break the resulting postscript into ‘tiles’, a very large graph can be printed. The program... text/html 2008-10-20T17:25:31+01:00 Philippe Grosjean (phgrosjean@sciviews.org) http://wiki.r-project.org/rwiki/doku.php?id=guides:sciviews:00sciviews&do=diff1224516331 SciViews (see http://www.sciviews.org) provides a R GUI and code editor by extending Komodo Edit, a cross-platform and feature-rich code editor. R extensions (SciViews-R) and a Komodo plugin (SciViews-K) implement the glue between these two software... text/html 2008-10-17T10:56:39+01:00 osamu ogasawara (osamu.ogasawara@gmail.com) http://wiki.r-project.org/rwiki/doku.php?id=start&do=diff1224233799 R is a free software environment for statistical computing and graphics. It runs on a wide variety of UNIX platforms, Windows and MacOS. This R Wiki is dedicated to the collaborative writing of R documentation. For information on browsers, RSS s... text/html 2008-10-14T09:55:16+01:00 Philippe Grosjean (phgrosjean@sciviews.org) http://wiki.r-project.org/rwiki/doku.php?id=tips:graphics-misc:export&do=diff1223970916 R provides many different graph devices allowing to save R graphs in different formats, however: The large number of supported format does not ease the choice, especially for people that are not experts (they may even ignore the differences betwee... text/html 2008-10-05T15:26:35+01:00 Yihui Xie (yh.xie@yahoo.com) http://wiki.r-project.org/rwiki/doku.php?id=links:links&do=diff1223213195 Links to other web sites dealing with R. See also other-rwikis and for books about R, see books. R Search Engines R multi site search engines by Dan Goldstein/Decision Science News Rseek.org – Another R-project multi-site search engine R Si... text/html 2008-09-30T17:06:45+01:00 Claudia Beleites (Claudia.Beleites@gmx.de) http://wiki.r-project.org/rwiki/doku.php?id=tips:data-frames:generate_index_vectors&do=diff1222787205 — Johannes Hüsing 2006/08/23 Creating index vectors Often we want to add vectors to a data frame that simply index the row. Here are some techniques. An Example The following data set already contains some index vectors, but we want to ex... text/html 2008-09-30T15:31:24+01:00 Claudia Beleites (Claudia.Beleites@gmx.de) http://wiki.r-project.org/rwiki/doku.php?id=tips:data-frames:count_and_extract_unique_rows&do=diff1222781484 — Claudia Beleites 2008/02/01 unique returns the unique rows, but no information how often each of these rows occurs. duplicated returns a logical vector which rows are duplicates of some other row, but no information of which row. A simple ... text/html 2008-09-29T13:19:04+01:00 Philippe Grosjean (phgrosjean@sciviews.org) http://wiki.r-project.org/rwiki/doku.php?id=tips:misc&do=diff1222687144 profiling alltips firefox-search-plugins grepfun profiling show-working-directory wikicode ... text/html 2008-09-29T13:17:32+01:00 Philippe Grosjean (phgrosjean@sciviews.org) http://wiki.r-project.org/rwiki/doku.php?id=tips:misc:wikicode&do=diff1222687052 Pages on this wiki combine text and code, including R code. However, (mainly for security reasons), R code on the wiki pages is not directly executable. There is no R backend connected to this wiki server. If you want to test and experiment with the... text/html 2008-09-17T02:49:08+01:00 Alexander Brenning (brenning@uwaterloo.ca) http://wiki.r-project.org/rwiki/doku.php?id=tips:spatial-data:when_to_use&do=diff1221612548 What belongs here is a description of the class of problems for which R spatial is a solution and a gentle hint about how to define the class of problems for which a GIS is a better solution. R Spatial Can R can analyse spatial data, see CRAN Spa... text/html 2008-09-15T10:36:45+01:00 Dimitris Rizopoulos (dimitris.rizopoulos@med.kuleuven.be) http://wiki.r-project.org/rwiki/doku.php?id=packages:cran:jm&do=diff1221467805 This package fits shared parameter models for the joint modelling of normal longitudinal responses and event times under a maximum likelihood approach. Various options for the survival model and optimization/integration algorithms are provided. De... text/html 2008-09-08T13:56:44+01:00 Sigbert Klinke (sigbert@wiwi.hu-berlin.de) http://wiki.r-project.org/rwiki/doku.php?id=tips:callingr:spss&do=diff1220875004 Since SPSS 14 exists the possibility to use Python and VB NET from SPSS. Since version 16 also R is supported, but only in SPSS version 17 you will be able to get graphics generated by R into SPSS :( SPSS 16 I just did the install for SPSS 16.0.... text/html 2008-09-08T12:28:48+01:00 Sigbert Klinke (sigbert@wiwi.hu-berlin.de) http://wiki.r-project.org/rwiki/doku.php?id=tips:callingr&do=diff1220869728 spss textpad ... text/html 2008-09-08T12:27:37+01:00 Sigbert Klinke (sigbert@wiwi.hu-berlin.de) http://wiki.r-project.org/rwiki/doku.php?id=tips:callingr:textpad&do=diff1220869657 Textpad supports syntax highlighting for R commands. The small tool TpR.exe from Philippe Grosjean sends the marked text to the RGui. ... text/html 2008-09-08T12:22:18+01:00 Sigbert Klinke (sigbert@wiwi.hu-berlin.de) http://wiki.r-project.org/rwiki/doku.php?id=tips:tips&do=diff1220869338 A collection of short pages with R code examples (”snippets”) 1)... For those who migrate Paul Johnson’s Rtips, please, update the Rtips status page. Data Input-output aggregate_values export_table import_table ms_windows pd...