My name is Oskar Jarczyk and I'm a PhD student in the field of social informatics.
(last update of portfolio: 5th of August, 2016)
I would like to present you my most recent work.
Titanic: Machine Learning from Disaster - [educational]
Santander Customer Satisfaction
TalkingData Mobile User Demographics
removed due to privacy concerns, please ask me personally by LinkedIn
Click to view a certificate
Machine Learning (Stanford University)
Introduction to Recommender Systems (University of Minnesota)
Text Mining and Analytics (University of Illinois at Urbana-Champaign)
Algorithms: Design and Analysis, Part 1 (Stanford)
Reproducible Research (Johns Hopkins University)
Twitter reactions to discovery of Higgs boson | World temperature (GISTEMP data) [Knitr] | Simulation report (evolutionary, avg-all sus f.) | Simulation report (non-evolutionary) | Simulation report (collaboration game) | Simulation report (GitHub tasks) | Report from simulation (non-evolutionary) | [Knitr] - machine learning with R and caret | [Slidify] - GitHub discussion network | [Knitr] reports - partA, partB, partC
[Number of views on Youtube - simple prediction model] | [Machine learning from Titanic Disaster - who survives?] | [US hospitals rankings - part I] | [part II] | [part III] | [Machine learning with caret] | [Transform data to social network] | [Load and analyze simulator output] | [Data transform to XLS] | [Correlation between pollutants] |
"Choose a Job You Love: Predicting Choices of GitHub developers", Radoslaw Nielek, Oskar Jarczyk, Kamil Pawlak, Leszek Bukowski, Roman Bartusiak and Adam Wierzbicki. 2016 IEEE/WIC/ACM International Conference on Web Intelligence, October 13-16, 2016 in Omaha, Nebraska, USA.
"On the Effectiveness of Emergent Task Allocation of Virtual Programmer Teams." In Web Intelligence (WI) and Intelligent Agent Technologies (IAT), 2014 IEEE/WIC/ACM International Joint Conferences on, vol. 1, pp. 369-376. IEEE, 2014.
"Cooperation prediction in GitHub developers network with Restricted Boltzmann Machine" ACIIDS 2016 8th Asian Conference on Intelligent Information and Database Systems 14-16 March 2016, Da Nang, Vietnam
In conferences / Proofs of concept / Pre-publish:
I reviewed below books and papers:
- “Clean data” (M. Squire, 2015) technical review for Packt Publishing, mentioned in acknowledgements
Simulating HYIPs - Internet frauds (Ponzi Scheme)
Simulation of task assignment strategies in the GitHub repositories
https://github.com/wikiteams/emergent-task-allocation - version 2.0
https://github.com/oskar-j/emergent-task-allocation - version 1.0
http://socinfo2014.org/ - SocInfo 2014 best paper nominee
http://www.huaweipolska.pl/komunikaty/207/10-studentow-z-pieciu-polskich-uczelni-technicznych-nagrodzonych-w-programie-huawei-telecom-seeds-for-the-future.html - Huawei Telecom 2014 "Seeds for the future" prize