Planet R

More information about dti at CRAN

New package dti with initial version 0.5-4

Package: dti
Version: 0.5-4
Date: 2008-05-20
Title: DTI Analysis
Author: Karsten Tabelow Joerg Polzehl
Maintainer: Karsten Tabelow
Depends: R (>= 2.5.0), methods, adimpro, fmri
Description: Diffusion Weighted Imaging is a Magnetic Resonance Imaging modality, that measures diffusion of water in tissues like the human brain. The package contains R-functions to process diffusion-weighted data in the context of the diffusion tensor model (DTI). This includes the calculation of anisotropy measures and, most important, the implementation of our structural adaptive smoothing algorithm as described in K. Tabelow, J. Polzehl, V. Spokoiny, and H.U. Voss, Diffusion Tensor Imaging: Structural Adaptive Smoothing, Neuroimage 39(4), 1763-1773 (2008).
License: GPL (>=2)
Copyright: This package is Copyright (C) 2005-2008 Weierstrass Institute for Applied Analysis and Stochastics.
URL: http://www.wias-berlin.de/projects/matheon_a3
Packaged: Wed May 21 15:46:14 2008; tabelow

More information about doBy at CRAN

Package doBy updated to version 3.0 with previous version 2.3 dated 2008-03-26

Author: Sшren Hшjsgaard
Title: Groupwise computations of summary statistics and other utilities
Description: Facilities for groupwise computations of summary statistics and other facilities for working with grouped data (similar to what can be achieved by proc means or proc summary of the SAS system).

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More information about crank at CRAN

Package crank updated to version 1.0 with previous version 0.9 dated 2008-01-15

Author: Jim Lemon ,
Title: Completing ranks
Description: Functions for completing and recalculating rankings.

Diff between crank versions 0.9 dated 2008-01-15 and 1.0 dated 2008-05-21

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More information about adimpro at CRAN

Package adimpro updated to version 0.6.3 with previous version 0.6.2 dated 2008-05-20

Author: Karsten Tabelow , Joerg Polzehl
Title: Adaptive Smoothing of Digital Images
Description: This package implements tools for manipulationg digital images and the Propagation Separation approach by Polzehl and Spokoiny (2006) for smoothing digital images.

Diff between adimpro versions 0.6.2 dated 2008-05-20 and 0.6.3 dated 2008-05-21

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More information about Rwave at CRAN

Package Rwave updated to version 1.24-2 with previous version 1.24-1 dated 2008-05-02

Author: S original by Rene Carmona and Bruno Torresani ; R port by Brandon Whitcher
Title: Time-Frequency analysis of 1-D signals
Description: Rwave is a library of R functions which provide an environment for the Time-Frequency analysis of 1-D signals (and especially for the wavelet and Gabor transforms of noisy signals). It was originally written for Splus by Rene Carmona, Bruno Torresani, and Wen L. Hwang, first at the University of California at Irvine and then at Princeton University. Credit should also be given to Andrea Wang whose functions on the dyadic wavelet transform are included. Rwave is based on the book: "Practical Time-Frequency Analysis: Gabor and Wavelet Transforms with an Implementation in S", by Rene Carmona, Wen L. Hwang and Bruno Torresani, Academic Press, 1998.

Diff between Rwave versions 1.24-1 dated 2008-05-02 and 1.24-2 dated 2008-05-21

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May 21, 2008 10:18 AM

Chris Lawrence

Money money, yeah yeah

The Court of Appeals for the D.C. Circuit has upheld a lower court ruling that the Department of the Treasury is required to make U.S. paper currency accessible to the blind; although the most recent changes to the higher-denomination bills have made various denominations of currency more distinguishable by people with limited vision, all the bills remain the same size and have no tactile features that distinguish the bank note denominations.

I’ll agree with the basic proposition that making major changes to the bills yet again would probably be a bit of a pain, but surely the Bureau of Engraving and Printing could punch some little holes or make some raised dots on the existing bill designs without compromising their usability in existing vending machines.

by Chris Lawrence at May 21, 2008 04:11 AM

May 20, 2008

Chris Lawrence

Kill the MWF template, please

Andy Guess at Inside Higher Ed reports on the growing trend towards abolishing Friday classes at commuter campuses due to increasing fuel costs. I’m sure there are a few college classes that lend themselves to the MWF, 50-minute pattern—I think foreign languages probably lend themselves to a more intense approach, which you wouldn’t get meeting 1–2 times per week—but I don’t think I’ve ever taught a political science class that worked very well in the MWF pattern. Killing the MWF pattern might lead to underutilization of classrooms on Fridays, but Duke solved the problem by creating a WF pattern as an alternative for the MW pattern and having some 150-minute Monday and Friday classes, primarily graduate seminars.

Another potential cost reduction would be to cut course loads, either by increasing most courses to a nominal four-hour standard from the three-hour standard (Millsaps’ solution), or replacing hours with “credits” (as Duke does) and requiring fewer total courses; the bachelor’s degree at Duke is around 34–36 credits, equivalent to 102–108 semester hours in terms of classroom contact and far short of the 120+-hour requirement at most institutions.

Given the tendency for general education requirements to accumulate over time, you could only really do this successfully with an overhauled gen-ed approach—Millsaps did this by adopting a somewhat flexible ten-item core, while Duke’s seemed more like a traditional system. But many graduates these days end up taking several pointless electives to get to the required 120+ hours, so perhaps you wouldn’t have to sacrifice much from either the major or general education to get the course count down to a more efficient number.

by Chris Lawrence at May 20, 2008 10:58 PM

R Wiki

getting-started:translations:spss2r - Fixed some errors I added.

R and SPSS do many things differently. R is a command-line program whereas SPSS uses a point-and-click GUI interface. While R‘s interface is faster and more flexible, some things can be jarring to a veteran SPSS user. For example R starts wi...

by Gregory Laun (greg.laun@gmail.com) at May 20, 2008 09:02 PM

CRANberries

Package rjags updated to version 1.0.2-3 with previous version 1.0.2-2 dated 2008-05-14

Author: Martyn Plummer
Title: Bayesian graphical models using MCMC
Description: Interface to the JAGS MCMC library

Diff between rjags versions 1.0.2-2 dated 2008-05-14 and 1.0.2-3 dated 2008-05-20

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More information about rjags at CRAN

May 20, 2008 06:18 PM

Package adimpro updated to version 0.6.2 with previous version 0.6.1 dated 2008-05-19

Diff between adimpro versions 0.6.1 dated 2008-05-19 and 0.6.2 dated 2008-05-20

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More information about adimpro at CRAN

May 20, 2008 06:18 PM

Package MMG updated to version 1.2.2 with previous version 1.2.1 dated 2008-05-16

Author: Josselin Noirel and Guido Sanguinetti
Title: Mixture Model on Graphs
Description: This package implements the Mixture Model on Graphs developed in Sanguinetti et al., Bioinformatics 2008. The graph structure is used to infer quantities that were not measured, based on the neighbours' measurements. This approach was developed to address problems typical of Quantitative Proteomics but could be applicable to many other domains.

Diff between MMG versions 1.2.1 dated 2008-05-16 and 1.2.2 dated 2008-05-20

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More information about MMG at CRAN

May 20, 2008 06:18 PM

Package stab updated to version 0.0.2 with previous version 0.0.1 dated 2008-05-02

Author: Hsin-ya Lee , Yung-jin Lee
Title: data analysis of drug stability
Description: A menu-driven package for data analysis of drug stability based on ICH guideline(such as estimation of shelf-life from a 3-batch profile.)

Diff between stab versions 0.0.1 dated 2008-05-02 and 0.0.2 dated 2008-05-20

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More information about stab at CRAN

More information about sdtalt at CRAN

New package sdtalt with initial version 0.1-0

Package: sdtalt
Title: Signal detection theory measures and alternatives
Version: 0.1-0
Date: 2008-05-18
Author: Daniel B. Wright
Maintainer: Daniel B. Wright
Description: Two functions, sdt and mlmsdt, for calculating statistics from signal detection theory. sdt calculates several measures where each individual's data form a 2x2 table. Statistics for each individual and for the sample are calculated. mlmsdt using Bates' (2008) lme4 to run multilevel generalized linear models for this situation. Deatails in Wright, D.B., Horry, R., & Skagerberg, E.M. (in press). Functions for traditional and multilevel approaches to signal detection theory. Behavior Research Methods.
Depends: lme4, boot
License: GPL
Packaged: Tue May 20 07:52:23 2008; danw

More information about rPorta at CRAN

New package rPorta with initial version 0.1-5

Package: rPorta
Version: 0.1-5
Date: 2008-05-19
Title: R/PORTA interface
Author: Robin Nunkesser , Silke Straatmann, Simone Wenzel
Maintainer: Robin Nunkesser
Depends: R (>= 2.6.0)
Imports: methods
Description: An R interface to a modified version of PORTA.
License: GPL (>= 2)
Packaged: Mon May 19 17:25:00 2008; nunkesser

More information about optmatch at CRAN

Package optmatch updated to version 0.4-0 with previous version 0.3-9 dated 2008-05-14

Author: Ben B. Hansen , with embedded Fortran code due to Dimitri P. Bertsekas and Paul Tseng.
Title: Functions for optimal matching
Description: Functions to perform optimal matching, particularly full matching

Diff between optmatch versions 0.3-9 dated 2008-05-14 and 0.4-0 dated 2008-05-20

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More information about mra at CRAN

Package mra updated to version 1.2 with previous version 1.1 dated 2007-11-20

Author: Trent McDonald
Title: Analysis of Mark-Recapture data
Description: Analysis of mark-recapture (capture-recapture) data using individual, time, and individual-time varying covariates. Version 1.X contains functions to estimate live-capture Cormack-Jolly-Seber open population models.

Diff between mra versions 1.1 dated 2007-11-20 and 1.2 dated 2008-05-20

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More information about chron at CRAN

Package chron updated to version 2.3-23 with previous version 2.3-22 dated 2008-03-04

Author: S original by David James , R port by Kurt Hornik .
Title: Chronological objects which can handle dates and times
Description: Chronological objects which can handle dates and times

Diff between chron versions 2.3-22 dated 2008-03-04 and 2.3-23 dated 2008-05-20

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More information about compoisson at CRAN

New package compoisson with initial version 0.3

Package: compoisson
Type: Package
Title: Conway-Maxwell-Poisson Distribution
Version: 0.3
Date: 2008-05-07
Author: Jeffrey Dunn
Maintainer: Jeffrey Dunn
Description: Provides routines for density and moments of the Conway-Maxwell-Poisson distribution as well as functions for fitting the COM-Poisson model for over/under-dispersed count data.
License: BSD
Depends: stats, MASS
Packaged: Mon May 19 18:28:46 2008; jsd115

More information about bayesmix at CRAN

Package bayesmix updated to version 0.6-0 with previous version 0.5-4 dated 2007-04-11

Author: Bettina Gruen
Title: Bayesian Mixture Models with JAGS
Description: Bayesian mixture models of univariate Gaussian distributions using JAGS

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by Chris Lawrence at May 19, 2008 11:41 PM

May 19, 2008

Chris Lawrence

CECB mini-review: RCA DTA800B

Mom and I went to Wal-Mart today to pick up two digital converter boxes (specificlly coupon-eligible converter boxes, “CECBs”) as emergency backup for Comcast’s frequently-incompetent cable service in Memphis. It took about 15 minutes for the assorted checkout staff figured out how to ring up the converters and use the government coupons for them, but eventually we escaped with two RCA DTA800B converters.

I found the box relatively easy to use and hook up. The boxes included quick start guides in English and Spanish and full user manuals in both languages, as well as a programmable remote control (with batteries) and a short push-on coax (F-type) cable for attaching the box to a TV over the “antenna” TV input.

Both boxes worked moderately well in southeast Memphis with a rather lame RCA unpowered indoor VHF/UHF antenna I picked up a while back, which is no Silver Sensor but a bit more compact to haul around, less likely to attract quizzical stares from airport security, and better than nothing at all. Neither box was able to scan WMC‘s rather weak digital signal (authorized at 394 kW but clearly not transmitting at anything close to that power) and there’s no manual tuning option. I’d imagine if I’d brought a decent directional antenna like the Silver Sensor I’d have gotten WMC and a more stable signal on some of the other channels.

So, overall, I have no real complaints about the boxes themselves, except for the lack of a manual tuning feature available on other converters, and the SmartAntenna feature will be nice for folks with hard-to-tune channels in multiple directions when you can actually buy one again. I’ll probably examine some of the other CECB models before settling on one, however, particularly now that it appears that the reported Zenith DTT900 audio problem is fixed in newer boxes.

CRANberries

Package subplex updated to version 1.0-11 with previous version 1.0-10 dated 2007-12-05

Author: Aaron A. King, Rick Reeves
Title: Subplex optimization algorithm
Description: The subplex algorithm for unconstrained optimization, developed by Tom Rowan.

Diff between subplex versions 1.0-10 dated 2007-12-05 and 1.0-11 dated 2008-05-19

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More information about subplex at CRAN

More information about siar at CRAN

Package siar updated to version 3.1 with previous version 2.2 dated 2008-04-10

Author: Andrew Parnell
Title: Stable Isotope Analysis in R
Description: This package takes data on organism isotopes and fits a Bayesian model to their dietary habits based upon a Gaussian likelihood with a mixture dirichlet-distributed prior on the mean.

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More information about ramps at CRAN

Package ramps updated to version 0.6-3 with previous version 0.6-2 dated 2008-03-25

Author: Brian J. Smith , Jun Yan , and Mary Kathryn Cowles
Title: Bayesian Geostatistical Modeling with RAMPS
Description: Bayesian geostatistical modeling of Gaussian processes using a reparameterized and marginalized posterior sampling (RAMPS) algorithm designed to lower autocorrelation in MCMC samples. Package performance is tuned for large spatial datasets.

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More information about monomvn at CRAN

Package monomvn updated to version 1.2 with previous version 1.1-4 dated 2007-11-11

Author: Robert B. Gramacy
Title: Estimation for multivariate normal data with monotone missingness
Description: Estimation of multivariate normal data of arbitrary dimension where the pattern of missing data is monotone. Through the use of parsimonious/shrinkage regressions (plsr, pcr, lasso, ridge, etc.), where standard regressions fail, the package can handle an (almost) arbitrary amount of missing data. The current version supports maximum likelihood inference and an alpha implementation of a Bayesian version employing a Bayesian lasso. A fully functional standalone (alpha) interface to the Bayesian lasso (from Park & Casella) is also provided

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More information about fmri at CRAN

Package fmri updated to version 1.2-6 with previous version 1.2-5 dated 2008-03-28

Author: Karsten Tabelow , Joerg Polzehl
Title: Analysis of fMRI experiments
Description: The library contains R-functions to perform an fmri analysis as described in Tabelow, K., Polzehl, J., Voss, H.U., and Spokoiny, V. Analysing fMRI experiments with structure adaptive smoothing procedures, NeuroImage, 33:55-62 (2006).

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More information about contfrac at CRAN

Package contfrac updated to version 1.1-4 with previous version 1.1-2 dated 2008-04-24

Author: Robin K. S. Hankin
Title: Continued fractions
Description: Various utilities for evaluating continued fractions

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More information about adimpro at CRAN

Package adimpro updated to version 0.6.1 with previous version 0.4.4 dated 2007-11-23

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More information about ResistorArray at CRAN

Package ResistorArray updated to version 1.0-20 with previous version 1.0-18 dated 2007-10-04

Author: Robin K. S. Hankin
Title: electrical properties of resistor networks
Description: electrical properties of resistor networks.

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More information about ChainLadder at CRAN

Package ChainLadder updated to version 0.1.1-5 with previous version 0.1.1-4 dated 2008-05-16

Author: Markus Gesmann
Title: Mack- and Munich-chain-ladder methods for insurance claims reserving
Description: The package contains the Mack- and Munich-chain-ladder methods which are used in insurance claims reserving exercise.

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by Claudia Beleites (Claudia.Beleites@gmx.de) at May 19, 2008 08:49 PM

R Wiki

tips:data-lists

items_from_list ...

tips:data-frames

access_columns add_row convert_array count_and_extract_unique_rows find_numeric generate_index_vectors list_in_data.frame merge new_aggregate recode_column remove_columns_by_name remove_rows_data_frame select_observations selectively_aggregate sort...

by Claudia Beleites (Claudia.Beleites@gmx.de) at May 19, 2008 08:47 PM

tips:data-frames:list_in_data.frame - created

— Claudia Beleites 2008/05/19 data.frame (”column” = I (list (list (”List content”)))) puts a list into a cell of the data.frame. I (x) protects objects in data.frame (). Without I (x) the lists (=’x’) a...

by Claudia Beleites (Claudia.Beleites@gmx.de) at May 19, 2008 08:46 PM

CRANberries

Package pomp updated to version 0.19-1 with previous version 0.18-3 dated 2008-05-14

Author: Aaron A. King, Edward L. Ionides, Carles Martinez Breto
Title: Partially-observed Markov processes
Description: Inference methods for partially-observed Markov processes

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More information about mclust at CRAN

Package mclust updated to version 3.1-5 with previous version 3.1-4 dated 2008-05-16

Author: Chris Fraley and Adrian Raftery
Title: Model-Based Clustering / Normal Mixture Modeling
Description: Model-based clustering and normal mixture modeling including Bayesian regularization

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More information about mpm at CRAN

New package mpm with initial version 1.0-7

Package: mpm
Version: 1.0-7
Date: 2008-05-09
Title: Spectral Map Analysis
Maintainer: Luc Wouters
Author: Luc Wouters
Depends: R (>= 1.5), MASS, geneplotter
Description: Exploratory graphical analysis of multivariate data, specifically gene expression data with different projection methods: principal component analysis, correspondence analysis, spectral map analysis.
License: GPL (>=2)
URL: http://mpm.r-forge.r-project.org
Packaged: Thu May 15 12:13:33 2008; tobias

More information about latticeExtra at CRAN

Package latticeExtra updated to version 0.4-1 with previous version 0.3-1 dated 2007-10-21

Author: Deepayan Sarkar
Title: Extra Graphical Utilities Based on Lattice
Description: Extra graphical utilities based on lattice

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Package lattice updated to version 0.17-8 with previous version 0.17-7 dated 2008-05-03

Author: Deepayan Sarkar
Title: Lattice Graphics
Description: Implementation of Trellis Graphics. See ?Lattice for a brief introduction

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Package gWidgetsRGtk2 updated to version 0.0-34 with previous version 0.0-33 dated 2008-05-04

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

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More information about ensembleBMA at CRAN

Package ensembleBMA updated to version 3.0-0 with previous version 2.1 dated 2007-08-25

Author: Chris Fraley, Adrian E. Raftery, J. McLean Sloughter, Tilmann Gneiting, Michael Polakowski, University of Washington
Title: Probabilistic Forecasting using Ensembles and Bayesian Model Averaging
Description: Bayesian Model Averaging to create probabilistic forecasts from ensemble forecasts and weather observations.

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More information about argosfilter at CRAN

Package argosfilter updated to version 0.6 with previous version 0.5 dated 2007-12-07

Author: Carla Freitas
Title: Argos locations filter
Description: Functions to filters animal satellite tracking data obtained from Argos. It is especially indicated for telemetry studies of marine animals, where Argos locations are predominantly of low-quality.

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More information about HFWutils at CRAN

Package HFWutils updated to version 0.9.2008.05.17 with previous version 0.8.2007.09.16 dated 2007-09-21

Author: Felix Wittmann
Title: csv import, csv export, garbage collection,string matching and passing by reference
Description: package containing functions for convenient csv import and export with a view of using R as a calculation back end to spreadsheet-like programs such as scalc in open office; string matching and passing by reference

Diff between HFWutils versions 0.8.2007.09.16 dated 2007-09-21 and 0.9.2008.05.17 dated 2008-05-19

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by Ion Georgiades (iongeo@alumni.uwaterloo.ca) at May 18, 2008 04:46 PM

May 18, 2008

R Wiki

getting-started:system-setup:openkore - method to generate names, vote for SciViews-K

OpenKore stands for “OpenKomodo R Editor”. Tinn-R is a great R code editor for those who want a modern code editor that nicely integrates with R, but do not want to use Emacs-ESS. However, Tinn-R only runs under Windows. OpenKore aims to...

Chris Lawrence

Two tangentially-related brief linky things

Viking Pundit links an Economist article on Saturday’s election in Kuwait; one of my public opinion students this semester (a Kuwaiti) wrote an interesting paper on attitudes towards female candidates in that election.

Said Kuwaiti was also one of the graduates today, although he is one of the students I don’t remember crossing the stage—I saw all three of my honors thesis kids and about a dozen or so other seniors, but not by all means all of them. I posted some photos over at Flickr; when they say ”[i]t features the pomp and circumstance expected of a traditional Commencement celebration but with a New Orleans twist,” they’re not lying—although I don’t remember “Pomp and Circumstance” itself, so maybe they are. Or maybe it was just rearranged so much that I didn’t recognize it, which is pretty much the same thing as not playing it at all in my book. Overall it was an enjoyable experience, although I personally could have done without the fireworks, which seemed designed to thin the ranks of the tenured faculty by provoking sudden cardiac arrest.

by Chris Lawrence at May 18, 2008 04:19 AM

May 17, 2008

R Wiki

getting-started:system-setup:openkore:whishlist - Removed folding wish since already a feature

What function would you like to get in OpenKore? (you should preferably contribute some code for implementing it) Access R remotely with secure connection Connect to various R processes simultaneously, and test the same code on all processes (for...

by Ion Georgiades (iongeo@alumni.uwaterloo.ca) at May 17, 2008 01:51 AM

May 16, 2008

CRANberries

Package spdep updated to version 0.4-21 with previous version 0.4-20 dated 2008-03-25

Author: Roger Bivand , with contributions by Luc Anselin, Olaf Berke, Andrew Bernat, Marilia Carvalho, Yongwan Chun, Carsten Dormann, Stйphane Dray, Rein Halbersma, Nicholas Lewin-Koh, Jielai Ma, Giovanni Millo, Werner Mueller, Hisaji Ono, Pedro Peres-Neto, Markus Reder, Michael Tiefelsdorf, and Danlin Yu.
Title: Spatial dependence: weighting schemes, statistics and models
Description: A collection of functions to create spatial weights matrix objects from polygon contiguities, from point patterns by distance and tesselations, for summarising these objects, and for permitting their use in spatial data analysis; a collection of tests for spatial autocorrelation, including global Moran's I, Geary's C, Hubert/Mantel general cross product statistic, Empirical Bayes estimates and Assunзгo/Reis Index, Getis/Ord G and multicoloured join count statistics, local Moran's I and Getis/Ord G, saddlepoint approximations and exact tests for global and local Moran's I; and functions for estimating spatial simultaneous autoregressive (SAR) lag and error models, weighted and unweighted SAR and CAR spatial regression models, semi-parametric and Moran eigenvector spatial filtering, GM SAR error models, and generalized spatial two stage least squares models.

Diff between spdep versions 0.4-20 dated 2008-03-25 and 0.4-21 dated 2008-05-16

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More information about spdep at CRAN

May 16, 2008 10:19 PM

Package spatstat updated to version 1.13-2 with previous version 1.13-1 dated 2008-04-24

Author: Adrian Baddeley and Rolf Turner , with substantial contributions of code by Marie-Colette van Lieshout, Rasmus Waagepetersen, Kasper Klitgaard Berthelsen and Dominic Schuhmacher. Additional contributions by C. Beale, B. Biggerstaff, R. Bivand, F. Bonneu, J.B. Chen, Y.C. Chin, M. de la Cruz, P.J. Diggle, S. Eglen, A. Gault, M. Genton, P. Grabarnik, C. Graf, J. Franklin, U. Hahn, M. Hering, M.B. Hansen, M. Hazelton, J. Heikkinen, K. Hornik, R. Ihaka, R. John-Chandran, D. Johnson, J. Laake, J. Mateu, P. McCullagh, X.C. Mi, J. Moller, L.S. Nielsen, E. Parilov, J. Picka, M. Reiter, B.D. Ripley, B. Rowlingson, J. Rudge, A. Sarkka, K. Schladitz, B.T. Scott, I.-M. Sintorn, M. Spiess, M. Stevenson, P. Surovy, B. Turlach, A. van Burgel, H. Wang and S. Wong.
Title: Spatial Point Pattern analysis, model-fitting, simulation, tests
Description: A package for analysing spatial data, mainly Spatial Point Patterns, including multitype/marked points and spatial covariates, in any two-dimensional spatial region. Contains functions for plotting spatial data, exploratory data analysis, model-fitting, simulation, spatial sampling, model diagnostics, and formal inference. Data types include point patterns, line segment patterns, spatial windows, and pixel images. Point process models can be fitted to point pattern data. Cluster type models are fitted by the method of minimum contrast. Very general Gibbs point process models can be fitted to point pattern data using a function ppm similar to lm or glm. Models may include dependence on covariates, interpoint interaction and dependence on marks. Fitted models can be simulated automatically. Also provides facilities for formal inference (such as chi-squared tests) and model diagnostics (including simulation envelopes, residuals, residual plots and Q-Q plots).

Diff between spatstat versions 1.13-1 dated 2008-04-24 and 1.13-2 dated 2008-05-16

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More information about spatstat at CRAN

More information about orth at CRAN

New package orth with initial version 1.5

Package: orth
Title: Multivariate Logistic Regressions Using Orthogonalized Residuals.
Version: 1.5
Author: Kunthel By, Bahjat F. Qaqish, and John S. Preisser
Maintainer: Kunthel By
Description: Performs multivariate logistic regressions by way of orthogonalized residuals. As a special case, the methodology recasts alternating logistic regressions in a way that is consistent with standard estimating equation theory. Cluster diagnostics and observation level diagnostics such as leverage and Cook's distance are computed based on an approximation. Exact versions of these diagnostics are computationally demanding and as of this version, will not be included.
Depends: methods
LazyLoad: yes
License: GPL (>= 2)
Packaged: Thu May 15 10:47:39 2008; euclid

More information about minpack.lm at CRAN

Package minpack.lm updated to version 1.1-0 with previous version 1.0-9 dated 2008-03-14

Author: Timur V. Elzhov, Katharine M. Mullen
Title: R interface to the Levenberg-Marquardt nonlinear least-squares algorithm found in MINPACK
Description: Provides R interface to lmder and lmdif from the MINPACK library, for solving nonlinear least-squares problems by a modification of the Levenberg-Marquardt algorithm.

Diff between minpack.lm versions 1.0-9 dated 2008-03-14 and 1.1-0 dated 2008-05-16

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More information about mlogit at CRAN

New package mlogit with initial version 0.1-0

Package: mlogit
Version: 0.1-0
Date: 2008-05-15
Title: multinomial logit model
Author: Yves Croissant
Maintainer: Yves Croissant
Depends: R (>= 1.8.0), maxLik
Suggests: Ecdat, lmtest, car
Description: Estimation of the multinomial logit model with choice specific variables
License: GPL (>=2)
URL: http://www.r-project.org
Packaged: Thu May 15 13:18:24 2008; yves

More information about mclust02 at CRAN

Package mclust02 updated to version 2.1-17 with previous version 2.1-16 dated 2007-11-17

Author: C. Fraley and A.E. Raftery, Dept. of Statistics, University of Washington. R port by Ron Wehrens.
Title: Model-based cluster analysis (older version)
Description: Model-based cluster analysis: the 2002 version of MCLUST

Diff between mclust02 versions 2.1-16 dated 2007-11-17 and 2.1-17 dated 2008-05-16

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More information about mclust at CRAN

Package mclust updated to version 3.1-4 with previous version 3.1-3 dated 2008-02-14

Diff between mclust versions 3.1-3 dated 2008-02-14 and 3.1-4 dated 2008-05-16

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More information about gstat at CRAN

Package gstat updated to version 0.9-47 with previous version 0.9-46 dated 2008-05-06

Author: Edzer J. Pebesma and others
Title: geostatistical modelling, prediction and simulation
Description: variogram modelling; simple, ordinary and universal point or block (co)kriging, sequential Gaussian or indicator (co)simulation; variogram and variogram map plotting utility functions.

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More information about coda at CRAN

Package coda updated to version 0.13-2 with previous version 0.13-1 dated 2007-12-12

Author: Martyn Plummer, Nicky Best, Kate Cowles, Karen Vines
Title: Output analysis and diagnostics for MCMC
Description: Output analysis and diagnostics for Markov Chain Monte Carlo simulations.

Diff between coda versions 0.13-1 dated 2007-12-12 and 0.13-2 dated 2008-05-16

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More information about clv at CRAN

Package clv updated to version 0.2 with previous version 0.1-2 dated 2008-04-07

Author: Lukasz Nieweglowski.
Title: Cluster Validation Techniques
Description: Package contains most of the popular internal and external cluster validation methods ready to use for the most of the outputs produced by functions coming from package "cluster". Package contains also functions and examples of usage for cluster stability approach applied to algorithms implemented in "cluster" package.

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