[[Operations Research]] *RパッケージA -[[ADaCGH:http://cran.r-project.org/web/packages/ADaCGH/index.html]] Analysis of data from aCGH experiments -AER Applied Econometrics with R -AIS Tools to look at the data ("Ad Inidicia Spectata") -ALS multivariate curve resolution alternating least squares (MCR-ALS) -AMORE A MORE flexible neural network package -ARES Allelic richness estimation, with extrapolation beyond the sample size -AcceptanceSampling Creation and evaluation of Acceptance Sampling Plans -AdMit Adaptive Mixture of Student-t distributions -AdaptFit Adaptive Semiparametic Regression -AlgDesign AlgDesign -Amelia Amelia II: A Program for Missing Data -AnalyzeFMRI Functions for analysis of fMRI datasets stored in the ANALYZE or NIFTI format -ArDec Time series autoregressive-based decomposition -aaMI Mutual information for protein sequence alignments -abind Combine multi-dimensional arrays -accuracy Tools for testing and improving accuracy of statistical results acepack ace() and avas() for selecting regression transformations -actuar Actuarial functions -ada Performs boosting algorithms for a binary response -adabag Applies Adaboost.M1 and Bagging -adapt adapt – multidimensional numerical integration -ade4 Analysis of Ecological Data : Exploratory and Euclidean methods in Environmental sciences -ade4TkGUI ade4 Tcl/Tk Graphical User Interface -adegenet adegenet: a R package for the multivariate analysis of genetic markers -adehabitat Analysis of habitat selection by animals -adimpro Adaptive Smoothing of Digital Images -adk Anderson-Darling K-Sample Test and Combinations of Such Tests -adlift An adaptive lifting scheme algorithm -ads Spatial point patterns analysis -afc Calculate afc -agce analysis of growth curve experiments -agreement agreement: Analyse the agreement between two measurement methods -agricolae Statistical Procedures for Agricultural Research -agsemisc Miscellaneous plotting and utility functions -akima Interpolation of irregularly spaced data -allelic A fast, unbiased and exact allelic exact test -alr3 Methods and data to accompany Applied Linear Regression 3rd edition -amap Another Multidimensional Analysis Package -amei Adaptive Management of Epidemiological Interventions -anacor Simple and Canonical Correspondence Analysis -analogue Analogue and weighted averaging methods for palaeoecology -anapuce Tools for microarray data analysis -animation Demonstrate Animations in Statistics -anm Analog model for downscaling -aod Analysis of Overdispersed Data -apTreeshape Analyses of Phylogenetic Treeshape -ape Analyses of Phylogenetics and Evolution -aplpack Another Plot PACKage: stem.leaf, bagplot, faces, spin3R, .. -apsrtable apsrtable model-output formatter for social science -archetypes Archetypal Analysis -argosfilter Argos locations filter -arm Data Analysis Using Regression and Multilevel/Hierarchical Models -arrayImpute Missing imputation for microarray data -arrayMissPattern Exploratory analysis of Missing patterns for microarray data -ars Adaptive Rejection Sampling -arules Mining Association Rules and Frequent Itemsets -arulesSequences Mining frequent sequences -ash David Scott's ASH routines -aspace A collection of functions for estimating centrographic statistcs and computational geometries from spatial point patterns -assist A Suite of S-Plus Functions Implementing Smoothing Splines -aster Aster Models -asuR Advanced statistics using R -asympTest Asymptotic statistic -asypow Calculate Power Utilizing Asymptotic Likelihood Ratio Methods -audio Audio Interface for R -aws Adaptive Weights Smoothing -aylmer A generalization of Fisher's exact test