Marcin Kosiński

Marcin Kosiński has a master degree in Mathematical Statistics and Data Analysis specialty. Challenges seeker and devoted R language enthusiast. In the past, keen on the field of large-scale online learning and various approaches to personalized news article recommendation. Community events host: organizer of Why R? conferences whyr.pl. Interested in R packages development and survival analysis models. Currently explores and improves methods for quantitative marketing analyses and global surveys at Gradient Metrics.

Talks and Conferences

2019

• 2019-09-12 Vienna, Austria - Vienna Data Science Group
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-08-29 Berlin, Germany - Berlin R Users
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-07-08/09 Yerevan, Armenia - AUA Data Science Summer School
  • 2*3h Workshop Introduction to Survival Analysis with Use Cases
• 2019-07-08 Yerevan, Armenia - AUA Data Science Summer School Open Meetup
  • 2h Workshop Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-06-20 Amsterdam, Netherlands - Amsterdam R Users
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-06-14 Warsaw, Poland - Data Science Summit Warsaw
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-06-10 Lodz, Poland - Data Science Lodz
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-05-23 Poznan, Poland - Poznan R Users
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-05-18 Gdansk, Poland - SatRday Gdansk 2019
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-05-09 Cracow, Poland - Cracow R Users
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-04-25 Warsaw, Poland - Warsaw R Users
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces
• 2019-03-27 Warsaw, Poland - Warsaw Days of Informatics
  • Non-negative Matrix Factorization, as a segmentation tool in high dimensional feature spaces

2018

• 2018-10-05 Wroclaw, Poland - Wroclaw R Users Meetup
• 2018-09-26 Belgrade, Serbia - SatRday Belgrade 2018 Conference
  • Multi-state churn analysis with a subscription based product
• 2018-07-04 Wroclaw, Poland - Why R? 2018 Conference
  • Multi-state churn analysis with a subscription based product
• 2018-06-20 Munich, Germany - AppliedR Meetup
  • Multi-state churn analysis with a subscription based product
• 2018-06-08 Warsaw, Poland - Data Science Summit
  • Multi-state churn analysis with a subscription based product
• 2018-05-14 Budapest, Hungary - European R Users Meeting 2018
  • Multi-state churn analysis with a subscription based product
• 2018-03-28 Warsaw, Poland - Warsaw Days of Informatics
  • Multi-state churn analysis with a subscription based product
• 2018-03-08 Copenhagen, Denmark CopenhagenR
  • Multi-state churn analysis with a subscription based product

2017

• 2017-09 Warsaw, Poland - Why R? 2017 Conferenc
  • Head of the organizing committee
  • Presentation: refreshed presentation from May about survminer (in polish)
• 2017-07 Brussels, Belgium - UseR!2017 Conference
  • Presentation Stochastic Gradient Descent Log-Likelihood Estimation in the Cox Proportional Hazards Model
• 2017-05 Warsaw, Poland - Warsaw R Enthusiasts #26
  • Presentation (in polish)
• 2017-04 Gdańsk, Poland - meet(R) in TriCity #5
  • 4h Workshop about sparklyr
• 2017-04 Warsaw, Poland - Data Science Warsaw #25
  • Presentation sparklyr: R interface to Apache Spark machine learning algorithms with dplyr back-end
• 2017-03 Poznań, Poland - Poznań University of Economics and Business
  • Presentation Personalized News Recommendation on News Portals

2016

• 2016-10 Warsaw, Poland - Warsaw R Ladies #1
  • Workshop R basics
• 2016-10 Poznań, Poland - European R Users Meeting
  • Presentation archivist 2.0: (News from) Managing Data Analysis Results Toolkit
• 2016-09 Cracow, Poland - 10th Cracow R Enthusiasts Meetup
  • Presentation Rocker: explanation and motivation for Docker containers usage in applications development [by R user, for R users]
• 2016-06 Stanford, CA, USA - BioC 2016: Where Software and Biology Connect
  • Ligthtning Talk Integrating TCGA Data - RTCGA Workflow
• 2016-06 Gdańsk, Poland - Academic Data Science #1
  • 5h R semi-advanced Workshop for Mathematicians Valuable Variables Selection & Binary Classification Methods
• 2016-04 Warsaw, Poland - The 5th Intercollegiate Biotechnology Symposium
  • 2x(4h Workshop) R Tutorial for Biotechnologists

2015

• 2015-11 Budapest, Hungary - BI Forum Conference 2015
  • Talk archivist: Managing Data Analysis Results
• 2015-10 Zakopane, Poland - ISOBM 2015 Congress
  • Poster Applications of Statistical Methods to the Data from The Cancer Genome Atlas Study Available in the RTCGA Family of R Packages
• 2015-09 Warsaw, Poland - Codepot 2015
  • 4h Workshop Data Mining + dplyr = data processing and analysis in R
• 2015-05 Warsaw, Poland - 1st Team Data Analysis Marathon, Warsaw 2015
  • Role co-organizer
• 2015-03 Poznań, Poland - 8th International Conference of Contemporary Oncology
  • Poster Applications of RTCGA package for The Cancer Genome Atlas data integration

2014

• 2014-10 Poznań, Poland - Polish R Users Conference 2014, Poznań Poland
  • Talk Archiving artifacts with archivist