Sat, 01 Aug 2009

Package smacof updated to version 1.0-0 with previous version 0.9-6 dated 2009-05-17

Author: Jan de Leeuw, Patrick Mair
Title: SMACOF for Multidimensional Scaling.
Description: This package provides the following approaches of multidimensional scaling (MDS) based on stress minimization by means of majorization (smacof): Simple smacof on symmetric dissimilarity matrices, smacof for rectangular matrices (unfolding models), smacof with constraints on the configuration, three-way smacof for individual differences (including constraints for idioscal, indscal, and identity), and spherical smacof (primal and dual algorithm). Each of these approaches is implemented in a metric and nonmetric manner including primary, secondary, and tertiary approaches for tie handling.

Diff between smacof versions 0.9-6 dated 2009-05-17 and 1.0-0 dated 2009-08-01

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Package homals updated to version 1.0-0 with previous version 0.9-11 dated 2009-07-27

Author: Jan de Leeuw, Patrick Mair
Title: Gifi Methods for Optimal Scaling
Description: This package performs a homogeneity analysis and various extensions. Rank restrictions on the category quantifications can be imposed (nonlinear PCA). The categories are transformed by means of optimal scaling with options for nominal, ordinal, and numerical scale levels (for rank-1 restrictions). Variables can be grouped into sets, in order to emulate regression analysis and canonical correlation analysis.

Diff between homals versions 0.9-11 dated 2009-07-27 and 1.0-0 dated 2009-08-01

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Package cfa updated to version 0.8-5 with previous version 0.8-4 dated 2008-11-02

Author: Stefan Funke, Patrick Mair, and Alexander von Eye
Title: Analysis of configuration frequencies (CFA)
Description: Analysis of configuration frequencies for simple and repeated measures, more sample CFa, hierarchical CFA, bootstrap-CFA, functional CFA, Kieser-Victor CFA and various plots

Diff between cfa versions 0.8-4 dated 2008-11-02 and 0.8-5 dated 2009-08-01

 DESCRIPTION |   25 +++++++++++++++----------
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 4 files changed, 17 insertions(+), 15 deletions(-)

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Package bipartite updated to version 0.94 with previous version 0.93 dated 2009-06-25

Author: Carsten F. Dormann and Bernd Gruber, with additional code from Mariano Devoto, Jochen Fruend, Jose Iriondo and Diego Vazquez, also based on C-code developed by Nils Bluethgen and by Miguel Rodriguez-Girones.
Title: Visualising bipartite networks and calculating some ecological indices.
Description: Bipartite provides functions to viualise webs and calculate a series of indices commonly used to describe pattern in ecological webs. It focusses on webs consisting of only two trophic levels, e.g. pollination webs or predator-prey-webs. Visualisation is important to get an idea of what we are actually looking at, while the indices summarise different aspects of the webs topology.

Diff between bipartite versions 0.93 dated 2009-06-25 and 0.94 dated 2009-08-01

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Package anacor updated to version 1.0-0 with previous version 0.9-8 dated 2009-03-05

Author: Jan de Leeuw, Patrick Mair
Title: Simple and Canonical Correspondence Analysis.
Description: This package performs simple and canonical CA (covariates on rows/columns) on a two-way frequency table (with missings) by means of SVD. Different scaling methods (standard, centroid, Benzecri, Goodman) as well as various plots including confidence ellipsoids are provided.

Diff between anacor versions 0.9-8 dated 2009-03-05 and 1.0-0 dated 2009-08-01

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Package REQS updated to version 0.8-1 with previous version 0.7-2 dated 2008-11-02

Author: Patrick Mair, Eric Wu
Title: R/EQS Interface
Description: This package contains the function run.eqs() which calls an EQS script file, executes the EQS estimation, and, finally, imports the results as R objects. These two steps can be performed separately: call.eqs() calls and executes EQS, whereas read.eqs() imports existing EQS outputs as objects into R.

Diff between REQS versions 0.7-2 dated 2008-11-02 and 0.8-1 dated 2009-08-01

 DESCRIPTION     |   33 ++++++++++++++++++++-------------
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 4 files changed, 31 insertions(+), 20 deletions(-)

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Package gWidgetsRGtk2 updated to version 0.0-53 with previous version 0.0-52 dated 2009-06-14

Author: Michael Lawrence, John Verzani
Title: Toolkit implementation of gWidgets for RGtk2
Description: Port of gWidgets API to RGtk2

Diff between gWidgetsRGtk2 versions 0.0-52 dated 2009-06-14 and 0.0-53 dated 2009-08-01

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Package gRain updated to version 0.8.1 with previous version 0.8.0 dated 2009-04-26

Author: Søren Højsgaard
Title: Graphical Independence Networks
Description: A package for probability propagation in graphical independence networks, also known as probabilistic expert systems (which includes Bayesian networks as a special case).

Diff between gRain versions 0.8.0 dated 2009-04-26 and 0.8.1 dated 2009-08-01

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Package fgac updated to version 0.6-1 with previous version 0.6-0 dated 2006-02-08

Author: Veronica Andrea Gonzalez-Lopez
Title: Generalized Archimedean Copula
Description: Bi-variate data fitting is done by two stochastic components: the marginal distributions and the dependency structure. The dependency structure is modeled through a copula. An algorithm was implemented considering seven families of copulas (Generalized Archimedean Copulas), the best fitting can be obtained looking all copula's options (totally positive of order 2 and stochastically increasing models).

Diff between fgac versions 0.6-0 dated 2006-02-08 and 0.6-1 dated 2009-08-01

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Package BPHO updated to version 1.3-0 with previous version 1.2-5 dated 2008-04-08

Author: Longhai Li
Title: Bayesian Prediction with High-order Interactions
Description: This software can be used in two situations. The first is to predict the next outcome based on the previous states of a discrete sequence. The second is to classify a discrete response based on a number of discreate covariates. In both situations, we use Bayesian logistic regression models that consider the high-order interactions. The models are trained with slice sampling method, a variant of Markov chain Monte Carlo. The time arising from using high-order interactions is reduced greatly by our compression technique that represents a group of original parameters as a single one in MCMC step.

Diff between BPHO versions 1.2-5 dated 2008-04-08 and 1.3-0 dated 2009-08-01

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