4/20/16 J.S.Ramos(@xuxoramos) 1

¡BigData,BigFlops!Thegagreelofalgorithms:D

RadicalIdea

4/20/16 J.S.Ramos(@xuxoramos) 2

“Usprogrammersaretheworstdatascientists…”.

TheDangerZone

4/20/16 J.S.Ramos(@xuxoramos) 3

ComputerScience Math&Stats

DomainExperience

DangerZone!

Whenprogrammersdelveinto“StatisticalLearning”withoutlearningstatistics. Asktherightquestions

ModelReality

OpsAnalytics

StatisticalLearning

DataSciencePredict

Reality

Mindset

IT&SWDev Engineering

HOW?

Analytics Stats

WHY?

4/20/16 J.S.Ramos(@xuxoramos) 4

BigFlop1

4/20/16 J.S.Ramos(@xuxoramos) 5

“Famouscellphonecompanycreatescreditproductsforpossiblecriminalsuspects.”

BigFlop2

4/20/16 J.S.Ramos(@xuxoramos) 6

“Googleimageclassifiertagsphotosof2african-americansas‘Gorillas’”.

BigFlop3

4/20/16 J.S.Ramos(@xuxoramos) 7

“GoogleFluTrendspredictsinfluenzaoutbreaksbasedsolelyonsearches.Nothinghappens.”

BigFlop4

4/20/16 J.S.Ramos(@xuxoramos) 8

BigFlop5

4/20/16 J.S.Ramos(@xuxoramos) 9

Rootcause

4/20/16 J.S.Ramos(@xuxoramos) 10

Surveyof+200dataprofessonals.Thosecomingfromsoftwaredevelopmenthaveanegativecorrelationwithbusiness.Whenthisredcloudturnsintoadeepblueovalwithpositiveslope,AnalyticswillandmustbeborninIT.

Howdoweturnintoanalysts?

4/20/16 J.S.Ramos(@xuxoramos) 11

•  Honeyourstats,mathsandoptimizationskills.Startwith

matrixalgebra.

•  Read“ThinkStats”byAllenDowney.

•  Stopautomatingcustomsandstartimprovingprocesses.

•  Getclosertoyourbusinessandlearnitslanguage.

•  LearnR.It’sugly,butwillgetyouthinkinginstats.

•  Don’tcodemachinelearningwithoutlearningstats!

4/20/16 J.S.Ramos(@xuxoramos) 12

“ForgetRvsPython.Thebestlanguagefordataanalysis,[regardlessofscaleorsophistication],isthelanguageofbusiness!”

@jokame

Conclusion1

4/20/16 J.S.Ramos(@xuxoramos) 13

“Realitydoesnotrevealitselftothosewhoonlycontemplateit,buttothosewhoimmerseinittotransformit.”

OctavioPaz,TheLabyrinthofSolitude

Conclusion2

4/20/16 J.S.Ramos(@xuxoramos) 14

Thanks!Tw:@xuxoramos

LinkedIn:xuxoramosGithub:jsramos