USER!8TH ANNUAL INTERNATIONAL R USERS CONFERENCE

Joanne Ellwood

The useR! Conference

•June 12-15, 2012•Nashville, TN•482 attendees•Very open environment•Presenters, probably no one rejected

The useR! Attendees

•Lots of academia•Mostly advanced degrees•They are really into graphs

but call them plots

The useR! Community

•Unix and Mac•Open source most everything else•R language constantly in flux

The useR! Key Points

•Reproducible Results•Moving your org to R•R and Big Data

The useR! ConferenceReproducible Results

•The cautionary tale•Potti et el of Notre Dame 2006•Biogenenics for cancer treatment•Kevin Coombes team discovered

• Off by 1 error• Willful data manipulations and fraud

•National news coverage•Fallout – people died, lawsuits, Potti

The useR! ConferenceMoving your org to R

• Robert Muenchen• Manager, University of Tennessee• Office of Information Technology, Research Computing Support

• In-house• Do what users know• Stop licensing little used SAS modules like ETS, QC

• Replace with R packages• Freeze new development in SAS

The useR! R and Big DataR and Hadoop

•RHive• Is SQL’ish but called HQL•The architecture

The useR! R and Big DataPL/R in EMC GreenPlum

• PL/R is a PostgreSQL language extension that allows you to write PostgreSQL functions and aggregate functions in the R statistical computing language.

• Use PostgreSQL to query Greenplum data.

•Parallel processing• Install R on every GreenPlum node•Know how data is split•Define and query on the splits

The useR! R and Big Datain-database vendor solutions

•Oracle•Netezza•EMC GreenPlum

•PL/R explicit parallel•MADLib implicit parallel•GPHD GreenPlum + Hadoop

The useR! Conclusion

Knitr /= Sweave

HiveR /= Rhive

Eclipse/Rstudio

PL/R to PostgreSQL

PostgreSQL to ECM greenPlum

GPHD

R/R/R/R/R/R/R/R!

The useR! Questions

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