1. Currently, how many R Packages?
5495 on 6/4/2014
Currently, how many R Packages?
At the command line enter:
dim(available.packages())
available.packages()

2. Is there an R App Store? No, though Task Views

3. Package Categories COMMON FUNCTIONS SPECIALIZED TASK VIEWS
Data Input / Output
Data Management
Mathematics and Statistics
Graphics
SPECIALIZED TASK VIEWS
Web
High Performance Computing
Subject Matter Specific

4. Data Input / Output XLConnect sas7bdat Hmisc foreign RMySQL XML
Comma
Separated
Values
XLConnect
sas7bdat
Hmisc
foreign
RMySQL
XML
RODBC / ROracle
RJSONIO
rhbase
Rcpp

5. R Being Integrated Into Other Data-Related Products
“Both R and SAS are here to stay, and finding ways to make them work better with each other is in the best interests of our customers.”`
Oracle R Enterprise (ORE)

6. Task Views Next Slides organizes these by: Statistics Graphics
Subject Matter
Web, Computing

7. Task Views: Statistics, Mathematics
Bayesian
Bayesian Inference
Cluster
Cluster Analysis & Finite Mixture Models
DifferentialEquations
Differential Equations
Distributions
Probability Distributions
ExperimentalDesign
Design of Experiments (DoE) & Analysis of Experimental Data
MachineLearning
Machine Learning & Statistical Learning
MetaAnalysis
Meta-Analysis
Multivariate
Multivariate Statistics
NaturalLanguageProcessing
Natural Language Processing
NumericalMathematics
Numerical Mathematics
OfficialStatistics
Official Statistics & Survey Methodology
Optimization
Optimization and Mathematical Programming
ReproducibleResearch
Reproducible Research
Robust
Robust Statistical Methods
Survival
Survival Analysis
TimeSeries
Time Series Analysis gR
gRaphical Models in R

8. Machine Learning Analytic Technique R Package Author Organization
Decision Trees
rpart
Terry Therneau & Beth Atkinson. R port by Brian Ripley.
Mayo Clinic
University of Oxford
Random Forests
randomForest
Fortran original by Leo Breiman
R port by Andy Liaw .
Merck
Support Vector Machines
libsvm
Chih-Chung Chang
Chih-Jen Lin
National Taiwan Univ.
+ EBay Research Labs
Neural Networks
neuralnet
Frauke Gunther
Stefan Fritsch
Epidemiology and Prevention Research
nnet
Brian Ripley
Boosting Model
Ada
Mark Culp
West Virginia University
Maximum Entropy
maxent
Yoshimasha Tsuruoka
Timothy Jurka
University of Tokyo
UC-Davis
Bagging, bootstrap
adabag
Esteban Alfaro-Cortes
La Universidad de Castilla-La Mancha
Latent Diralect
slda
Jonathan Chang
Facebook
Naïve Bayes
e1071
David Meyer,
Evgenia Dimitriadout
Vienna University
Bayesian Network
bnlearn
Marco Scutari
UCL Genetics Institute
Hidden Markov
hiddenmarkov
David Harte
Statistics Research

9. Example of the SAME Algorithm Implemented Across Many Languages

10. Task Views: Graphics, Spatial
Graphics
Graphic Displays & Dynamic Graphics & Visualization
Spatial
Analysis of Spatial Data
SpatioTemporal
Handling and Analyzing Spatio-Temporal Data

11. Task Views: Subject Matter Specific
Econometrics
Finance
Empirical Finance
ChemPhys
Chemometrics and Computational Physics
ClinicalTrials
Clinical Trial Design, Monitoring, and Analysis
Environmetrics
Analysis of Ecological and Environmental Data
Genetics
Statistical Genetics
MedicalImaging
Medical Image Analysis
Pharmacokinetics
Analysis of Pharmacokinetic Data
Phylogenetics
Phylogenetics, Especially Comparative Methods
Psychometrics
Psychometric Models and Methods
SocialSciences
Statistics for the Social Sciences

12. Task Views: Web, Computing
HighPerformanceComputing
High-Performance and Parallel Computing with R
WebTechnologies
Web Technologies and Services
Tools for Working with the Web from R
Core Tools For HTTP Requests (httr, curl)
Parsing Data from the Web (XML, JSON)
URLs (shorteners)
Scraped Webpage Contents
JavaScript
Web Services
Cloud Computing and Storage (AWS)
Document and Code Sharing (GitHub)
Data Analysis and Processing Services
Social Media Clients (twitteR)
Web Analytics Services (Google Trends)
Other Web Services

13. Social Media

14. Specialized

15. R Help and Training Weaknesses Pluses
Documentation Various from Good to Bad
No Live Customer Service
Pluses
Online Communities
Code Examples
RStudio Documentation

16. http://www.statmethods.net/ R + Topic Error Message

17. R Documentation

18. R-Bloggers

19. Cheatsheets