The R Journal, Volume 4/1, June 2012

Complete issue PDF download

Complete bibliography

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Table of contents

Editorial 3

Contributed research articles

Analysing Seasonal Data PDF download
Adrian G Barnett, Peter Baker and Annette J Dobson 5

MARSS: Multivariate Autoregressive State-space Models for Analyzing Time-series Data PDF download
Elizabeth E. Holmes, Eric J. Ward and Kellie Wills 11

openair - Data Analysis Tools for the Air Quality Community PDF download
Karl Ropkins and David C. Carslaw 20

Foreign Library Interface PDF download
Daniel Adler 30

Vdgraph: A Package for Creating Variance Dispersion Graphs PDF download
John Lawson 41

xgrid and R: Parallel Distributed Processing Using Heterogeneous Groups of Apple Computers PDF download
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 PDF download
Timothy P. Jurka 56

Sumo: An Authenticating Web Application with an Embedded R Session PDF download
Timothy T. Bergsma and Michael S. Smith 60

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

News and notes

Changes in R 70

Changes on CRAN 80

R Foundation News 96