The R Journal Volume 4/1, June 2012

As first reported by Paolo, the new R journal is out! You can Download the complete issue from here.  Refereed articles may be downloaded individually using the links below. [Bibliography of refereed articles]

Table of Contents

Editorial 3

Contributed Research Articles

Analysing Seasonal Data  Adrian G Barnett, Peter Baker and Annette J Dobson 5
MARSS: Multivariate Autoregressive State-space Models for Analyzing Time-series Data  Elizabeth E. Holmes, Eric J. Ward, Kellie Wills 11
openair – Data Analysis Tools for the Air Quality Community  Karl Ropkins and David C. Carslaw 20
Foreign Library Interface  Daniel Adler 30
Vdgraph: A Package for Creating Variance Dispersion Graphs  John Lawson 41
xgrid and R: Parallel Distributed Processing Using Heterogeneous Groups of Apple Computers  Sarah C. Anoke, Yuting Zhao, Rafael Jaeger and Nicholas J. Horton 45
maxent: An R Package for Low-memory Multinomial Logistic Regression with Support for Semi-automated Text Classification  Timothy P. Jurka 56
Sumo: An Authenticating Web Application with an Embedded R Session  Timothy T. Bergsma and Michael S. Smith 60

From the Core

Who Did What? The Roles of R Package Authors and How to Refer to Them  Kurt Hornik, Duncan Murdoch and Achim Zeileis 64

News and Notes

Changes in R 70
Changes on CRAN 80
R Foundation News

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