The second issue of the second volume of The R Journal is now available .

Refereed articles may be downloaded individually using the links below. [Bibliography of refereed articles]

## Table of Contents

Editorial | 3 |

## Contributed Research Articles | |

Solving Differential Equations in R Karline Soetaert, Thomas Petzoldt and R. Woodrow Setzer | 5 |

Source References Duncan Murdoch | 16 |

hglm: A Package for Fitting Hierarchical Generalized Linear Models Lars Rönnegård, Xia Shen and Moudud Alam | 20 |

dclone: Data Cloning in R Péter Sólymos | 29 |

stringr: modern, consistent string processing Hadley Wickham | 38 |

Bayesian Estimation of the GARCH(1,1) Model with Student-t Innovations David Ardia and Lennart F. Hoogerheide | 41 |

cudaBayesreg: Bayesian Computation in CUDA Adelino Ferreira da Silva | 48 |

binGroup: A Package for Group Testing Christopher R. Bilder, Boan Zhang, Frank Schaarschmidt and Joshua M. Tebbs | 56 |

The RecordLinkage Package: Detecting Errors in Data Murat Sariyar and Andreas Borg | 61 |

spikeslab: Prediction and Variable Selection Using Spike and Slab Regression Hemant Ishwaran, Udaya B. Kogalur and J. Sunil Rao | 68 |

## From the Core | |

What’s New? | 74 |

## News and Notes | |

useR! 2010 | 77 |

Forthcoming Events: useR! 2011 | 79 |

Changes in R | 81 |

Changes on CRAN | 90 |

News from the Bioconductor Project | 101 |

R Foundation News | 102 |