Wed, 04 Mar 2009

Package rattle updated to version 2.4.41 with previous version 2.4.40 dated 2009-03-03

Author: Graham Williams
Title: A graphical user interface for data mining in R using GTK
Description: Rattle (the R Analytic Tool To Learn Easily) provides a Gnome (RGtk2) based interface to R functionality for data mining. The aim is to provide a simple and intuitive interface that allows a user to quickly load data from a CSV file (or via ODBC), transform and explore the data, build and evaluate models, and export models as PMML (predictive modelling markup language) or as scores. All of this with knowing little about R. All R commands are logged and commented through the log tab and so available to the user as a script file or as an aide to the user to interact directly with R itself. Rattle also exports a number of utility functions and the graphical user interface, invoked as rattle(), does not need to be run to deploy these.

Diff between rattle versions 2.4.40 dated 2009-03-03 and 2.4.41 dated 2009-03-04

 DESCRIPTION   |    6 +++---
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 3 files changed, 10 insertions(+), 5 deletions(-)

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New package tslars with initial version 1.0
Package: tslars
Type: Package
Title: Least angle regression for time series analysis
Version: 1.0
Date: 2009-01-03
Author: Sarah Gelper
Maintainer: Sarah Gelper
Description: This package will help you to carry out a time series LARS analysis.
License: GPL
LazyLoad: yes
Packaged: Wed Mar 4 12:38:03 2009; sarah

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Package modehunt updated to version 1.0.4 with previous version 1.0.3 dated 2008-08-25

Author: Kaspar Rufibach and Guenther Walther
Title: Multiscale Analysis for Density Functions
Description: Given independent and identically distributed observations X(1), ..., X(n) from a density f, this package provides five methods to perform a multiscale analysis about f as well as the necessary critical values. The first method, introduced in Duembgen and Walther (2008), provides simultaneous confidence statements for the existence and location of local increases (or decreases) of f, based on all intervals I(all) spanned by any two observations X(j), X(k). The second method approximates the latter approach by using only a subset of I(all) and is therefore computationally much more efficient, but asymptotically equivalent. Omitting the additive correction term Gamma in either method offers another two approaches which are more powerful on small scales and less powerful on large scales, however, not asymptotically minimax optimal anymore. Finally, the block procedure is a compromise between adding Gamma or not, having intermediate power properties. The latter is again asymptotically equivalent to the first and was introduced in Rufibach and Walther (2007).

Diff between modehunt versions 1.0.3 dated 2008-08-25 and 1.0.4 dated 2009-03-04

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Package RJaCGH updated to version 2.0.0 with previous version 1.5.7 dated 2008-10-22

Author: Oscar Rueda and Ramon Diaz-Uriarte . zlib from Jean-loup Gailly and Mark Adler; see README. Function "getHostname.System" from package R.utils by Henrik Bengtsson.
Title: Reversible Jump MCMC for the analysis of CGH arrays.
Description: Bayesian analysis of CGH microarrays fitting Hidden Markov Chain models. The selection of the number of states is made via their posterior probability computed by Reversible Jump Markov Chain Monte Carlo Methods. Also returns probabilistic common regions for gains/losses.

Diff between RJaCGH versions 1.5.7 dated 2008-10-22 and 2.0.0 dated 2009-03-04

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Package MCPMod updated to version 1.0-2 with previous version 1.0-1 dated 2009-02-13

Author: Bjoern Bornkamp, Jose Pinheiro and Frank Bretz
Title: Design and Analysis of Dose-Finding Studies
Description: This package implements a methodology for the design and analysis of dose-response studies that combines aspects of multiple comparison procedures and modeling approaches (Bretz, Pinheiro and Branson, 2005, Biometrics 61, 738-748). The package provides tools for the analysis of dose finding trials as well as a variety of tools necessary to plan a trial to be conducted with the MCPMod methodology.

Diff between MCPMod versions 1.0-1 dated 2009-02-13 and 1.0-2 dated 2009-03-04

 ChangeLog             |    4 
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Package logcondens updated to version 1.3.3 with previous version 1.3.2 dated 2008-07-16

Author: Kaspar Rufibach and Lutz Duembgen
Title: Estimate a Log-Concave Probability Density from iid Observations
Description: Given independent and identically distributed observations X(1), ..., X(n), this package allows to compute a concave, piecewise linear function phi on [X(1), X(n)] with knots only in {X(1), X(2), ..., X(n)} such that L(phi) = sum_{i=1}^n W(i)*phi(X(i)) - int_{X(1)}^{X(n)} exp(phi(x)) dx is maximal, for some weights W(1), ..., W(n) s.t. sum_{i=1}^n W(i) = 1. According to the results in Duembgen and Rufibach (2009), this function phi maximizes the ordinary log-likelihood sum_{i=1}^n W(i)*phi(X(i)) under the constraint that phi is concave. The corresponding function exp(phi) is a log-concave probability density. Two algorithms are offered: An active set algorithm and one based on the pool-adjacent-violaters algorithm.

Diff between logcondens versions 1.3.2 dated 2008-07-16 and 1.3.3 dated 2009-03-04

 CHANGES                          |    9 
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Package PhViD updated to version 1.0.1 with previous version 1.0 dated 2009-03-03

Author: Ismail Ahmed & Antoine Poncet
Title: Pharmacovigilance signal detection methods extended to the multiple comparison setting.
Description: PhViD proposes the main pharmacovigilance signal detection methods extended to the multiple comparison setting. Those functions can be used as standard R functions or through an user friendly interface (PhViD.gui)

Diff between PhViD versions 1.0 dated 2009-03-03 and 1.0.1 dated 2009-03-04

 DESCRIPTION |    6 +++---
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New package tlemix with initial version 0.0.4
Package: tlemix
Type: Package
Title: Trimmed Maximum Likelihood Estimation
Version: 0.0.4
Date: 2009-02-19
Author: P. Neytchev, P. Filzmoser, R. Patnaik, A. Eisl and R. Boubela
Depends: flexmix
Imports: methods, flexmix, modeltools, stats4
Suggests: mvtnorm, flexmix, tcltk
Maintainer: Peter Filzmoser
Description: TLE implements a general framework for robust fitting of finite mixture models. Parameter estimation is performed using the EM algorithm.
License: GPL
LazyLoad: yes
Packaged: Tue Mar 3 12:15:13 2009; root

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Package rgrs updated to version 0.2-8 with previous version 0.2-6 dated 2009-02-25

Author: Julien Barnier
Title: Functions to make R usage in social sciences easier (in french)
Description: This package provides functions for beginners and social sciences students or researchers. Currently it includes functions for cross-tabulation, weighting, results export, and maps plotting. The documentation and help pages are written in french.

Diff between rgrs versions 0.2-6 dated 2009-02-25 and 0.2-8 dated 2009-03-04

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Package reporttools updated to version 1.0.2 with previous version 1.0.1 dated 2008-11-13

Author: Kaspar Rufibach
Title: Generate LaTeX tables of descriptive statistics
Description: The functions in this package are especially helpful when writing reports of data analysis using Sweave.

Diff between reporttools versions 1.0.1 dated 2008-11-13 and 1.0.2 dated 2009-03-04

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Package pspearman updated to version 0.1-10 with previous version 0.1-9 dated 2009-02-11

Author: Petr Savicky
Title: Spearman's rank correlation test
Description: Spearman's rank correlation test with improved accuracy

Diff between pspearman versions 0.1-9 dated 2009-02-11 and 0.1-10 dated 2009-03-04

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Package gss updated to version 1.0-3 with previous version 1.0-2 dated 2008-09-07

Author: Chong Gu
Title: General Smoothing Splines
Description: A comprehensive package for structural multivariate function estimation using smoothing splines.

Diff between gss versions 1.0-2 dated 2008-09-07 and 1.0-3 dated 2009-03-04

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Package compositions updated to version 1.01-1 with previous version 0.91-6 dated 2007-04-13

Author: K. Gerald van den Boogaart , Raimon Tolosana, Matevz Bren
Title: Compositional Data Analysis
Description: The package provides functions for the consistent analysis of compositional data (e.g. portions of substances) and positive numbers (e.g. concentrations) in the way proposed by Aitchison and Pawlowsky-Glahn.

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Package clim.pact updated to version 2.2-30 with previous version 2.2-29 dated 2009-02-04

Author: Rasmus E. Benestad
Title: Climate analysis and empirical-statistical downscaling (ESD) package for monthly and daily data.
Description: The package contains R functions for retrieving data, making climate analysis and downscaling of monthly mean and daily mean global climate scenarios. (Windows-users may need to obtain the 'ncdf' package from URL 'http://www.stats.ox.ac.uk/pub/RWin/' to get clim.pact to work). The package is also described in the book 'Empirical-Statistical Downscaling (http://www.worldscibooks.com/environsci/6908.html)

Diff between clim.pact versions 2.2-29 dated 2009-02-04 and 2.2-30 dated 2009-03-04

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Package SNPassoc updated to version 1.5-7 with previous version 1.5-6 dated 2009-02-06

Author: Juan R González, Lluís Armengol, Elisabet Guinó, Xavier Solé, and Víctor Moreno
Title: SNPs-based whole genome association studies
Description: This package carries out most common analysis when performing whole genome association studies. These analyses include descriptive statistics and exploratory analysis of missing values, calculation of Hardy-Weinberg equilibrium, analysis of association based on generalized linear models (either for quantitative or binary traits), and analysis of multiple SNPs (haplotype and epistasis analysis). Permutation test and related tests (sum statistic and truncated product) are also implemented.

Diff between SNPassoc versions 1.5-6 dated 2009-02-06 and 1.5-7 dated 2009-03-04

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Package RQuantLib updated to version 0.2.11 with previous version 0.2.10 dated 2008-12-04

Author: Dirk Eddelbuettel
Title: R interface to the QuantLib library
Description: The RQuantLib package makes selected parts of QuantLib visible to the R user. Currently some basic option pricing functions are included, as well as fixed-income functions that can be used for interest rate curve construction and Bermuda swaption pricing. Further software contributions are welcome. The QuantLib project aims to provide a comprehensive software framework for quantitative finance. The goal is to provide a standard open source library for quantitative analysis, modeling, trading, and risk management of financial assets. The Windows binary version is self-contained and does not require a QuantLib (or Boost) installation. RQuantLib use the Rcpp R/C++ interface class library. See the Rcpp package on CRAN (or R-Forge) for more information on Rcpp. Note that while RQuantLib's code is licensed under the GPL (v2 or later), QuantLib itself is released under a somewhat less restrictive Open Source license (see QuantLib-License.txt).

Diff between RQuantLib versions 0.2.10 dated 2008-12-04 and 0.2.11 dated 2009-03-04

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 RQuantLib-0.2.11/RQuantLib/src/vanilla.cpp        |    8 ++++----
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New package BGSIMD with initial version 1.0
Package: BGSIMD
Type: Package
Title: Block Gibbs Sampler with Incomplete Multinomial Distribution
Version: 1.0
Date: 2009-02-06
Author: Kwang Woo Ahn , Kung-Sik Chan
Maintainer: Kwang Woo Ahn
Description: Implement an efficient block Gibbs sampler with incomplete data from a multinomial distribution taking values from the k categories 1,2,...,k, where data are assumed to miss at random and each missing datum belongs to one and only one of m distinct non-empty proper subsets A1, A2,..., Am of 1,2,...,k and the k categories are labelled such that only consecutive A's may overlap.
License: GPL (>= 2)
Packaged: Tue Mar 3 14:29:43 2009; kwooahn

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