Nominations for best International Journal of Forecasting paper, 2012–2013

Every two years, the Inter­na­tional Jour­nal of Fore­cast­ing awards a prize for the best paper pub­lished in a two year period. It is now time to iden­tify the best paper pub­lished in the IJF dur­ing 2012 and 2013. There is always about 18 months delay after the pub­li­ca­tion period to allow time for reflec­tion, cita­tions, etc. The prize is US$1000 plus an engraved plaque. Con­tinue reading →

Statistical modelling and analysis of big data

I’m cur­rently attend­ing the one day work­shop on this topic at QUT in Bris­bane. This morn­ing I spoke on “Visu­al­iz­ing and fore­cast­ing big time series data”. My slides are here.

The talks are being streamed.

OVERVIEW

Big data is now endemic in busi­ness, indus­try, gov­ern­ment, envi­ron­men­tal man­age­ment, med­ical sci­ence, social research and so on. One of the com­men­su­rate chal­lenges is how to effec­tively model and analyse these data.

This work­shop will bring together national and inter­na­tional experts in sta­tis­ti­cal mod­el­ling and analy­sis of big data, to share their expe­ri­ences, approaches and opin­ions about future direc­tions in this field.

IASC Data Analysis Competition 2015

The Inter­na­tional Asso­ci­a­tion for Sta­tis­ti­cal Com­put­ing (IASC) is hold­ing a Data Analy­sis Com­pe­ti­tion. Win­ners will be invited to present their work at the Joint Meet­ing of IASC-​​ABE Satel­lite Con­fer­ence for the 60th ISI WSC 2015 to be held at Atlân­tico Búzios Con­ven­tion & Resort in Búzios, RJ, Brazil (August 2–4, 2015). They will also be invited to sub­mit a man­u­script for pos­si­ble pub­li­ca­tion (fol­low­ing peer review) to IASC’s offi­cial jour­nal, Com­pu­ta­tional Sta­tis­tics & Data Analy­sis. Con­tinue reading →

Di Cook is moving to Monash

I’m delighted that Pro­fes­sor Dianne Cook will be join­ing Monash Uni­ver­sity in July 2015 as a Pro­fes­sor of Busi­ness Ana­lyt­ics. Di is an Aus­tralian who has worked in the US for the past 25 years, mostly at Iowa State Uni­ver­sity. She is mov­ing back to Aus­tralia and join­ing the Depart­ment of Econo­met­rics and Busi­ness Sta­tis­tics in the Monash Busi­ness School, as part of our ini­tia­tive in Busi­ness Analytics.

Di is a world leader in data visu­al­iza­tion, and is well-​​​​known for her work on inter­ac­tive graph­ics. She is also the aca­d­e­mic super­vi­sor of sev­eral lead­ing data sci­en­tists includ­ing Hadley Wick­ham and Yihui Xie, both of whom work for RStu­dio.

Di has a great deal of energy and enthu­si­asm for com­pu­ta­tional sta­tis­tics and data visu­al­iza­tion, and will play a key role in devel­op­ing and teach­ing our new sub­jects in busi­ness analytics.

The Monash Busi­ness School is already excep­tion­ally strong in econo­met­rics (ranked 7th in the world on RePEc), and fore­cast­ing (ranked 11th on RePEc), and we have recently expanded into actu­ar­ial sci­ence. With Di join­ing the depart­ment, we will be extend­ing our exper­tise in the area of data visu­al­iza­tion as well.

 

 

New R package for electricity forecasting

Shu Fan and I have devel­oped a model for elec­tric­ity demand fore­cast­ing that is now widely used in Aus­tralia for long-​​term fore­cast­ing of peak elec­tric­ity demand. It has become known as the “Monash Elec­tric­ity Fore­cast­ing Model”. We have decided to release an R pack­age that imple­ments our model so that other peo­ple can eas­ily use it. The pack­age is called “MEFM” and is avail­able on github. We will prob­a­bly also put in on CRAN eventually.

The model was first described in  Hyn­d­man and Fan (2010). We are con­tin­u­ally improv­ing it, and the lat­est ver­sion is decribed in the model doc­u­men­ta­tion which will be updated from time to time.

The pack­age is being released under a GPL licence, so any­one can use it. All we ask is that our work is prop­erly cited.

Nat­u­rally, we are not able to pro­vide free tech­ni­cal sup­port, although we wel­come bug reports. We are avail­able to under­take paid con­sult­ing work in elec­tric­ity forecasting.

 

A time series classification contest

Amongst today’s email was one from some­one run­ning a pri­vate com­pe­ti­tion to clas­sify time series. Here are the essen­tial details.

The data are mea­sure­ments from a med­ical diag­nos­tic machine which takes 1 mea­sure­ment every sec­ond, and after 32–1000 sec­onds, the time series must be clas­si­fied into one of two classes. Some pre-​​classified train­ing data is pro­vided. It is not nec­es­sary to clas­sify all the test data, but you do need to have rel­a­tively high accu­racy on what is clas­si­fied. So you could find a sub­set of more eas­ily clas­si­fi­able test time series, and leave the rest of the test data unclas­si­fied. Con­tinue reading →