[This article was first published on Revolutions
, and kindly contributed to R-bloggers
]. (You can report issue about the content on this page here
Want to share your content on R-bloggers? click here
if you have a blog, or here
if you don't.
A special double edition of the Package Update Roundup this month! This is a list of new or updated packages that were released for R in December and January, as announced on the r-packages mailing list. To include other updates on this list, please email David Smith. For a complete list of all updates on CRAN, see the CRANberries archive for December 2009 and January 2010. Follow package name links for ratings and other information on crantastic.org.
dcemriS4, a package for medical image analysis, has been released to update package dcemri.
Deducer, a cross-platform data analysis GUI, has been updated.
doMPI, a backend for the foreach package for parallel computing, has been updated.
exact2x2, a package for exact conditional tests and confidence Intervals for 2×2 tables, was updated to allow optionally give an exact McNemar’s test together with odds ratio estimates and confidence intervals.
exactci, a new package that calculates exact tests and confidence intervals for binomial and Poisson tests, has been released.
ff and bit, two packages that help manage large datasets in R by mapping them to disk instead of storing them in memory, have been updated.
fortunes, a package delivering snippets of amusing R wisdom, has been updated (and now includes more than 250 fortunes!)
GGally, a package to draw plot matrices (like pairs does, but using ggplot2), was released.
ggplot2, the comprehensive high-level graphics system for R, has been updated adding several new features.
itertools, a new package of tools for manipulating iterators, has been released.
mecdf, a package for multivariate ECDF based models, has been released.
micEcon, micEconAids, and miscTools, three packages for microeconomic analysis and microeconomic modelling have been released (these packages were previously combined into a single micEcon package)
mspath, a new package to fit multi-state path-dependent models in discrete time, has been released.
parcor, a new package of tools to estimate the matrix of partial correlations based on different regularized regression methods, has been released.
pgfSweave, a package that improves the process of including graphs in Sweave documents, has been released.
randomSurvivalForest, a package for ensemble survival analysis based on a random forest of trees, has been updated with new model controls.
randtoolbox, a package for random number generation and testing, has been updated with new features.
RobASt, a family of packages for robust asymptotic statistics, has been updated.
Rcpp, the package interfacing R with C++, has been updated to make integration between R and C++ even easier.
sp, a package that provides class definitions for spatial data, and utilities for spatial data handling and manipulation, has been updated to improve performance.
sqldf, a package for accessing data in data frames using SQL, has been updated.