Marcin Kosiński

Marcin Kosiński has a master degree in Mathematical Statistics and Data Analysis specialty. Keen on the field of large-scale real-time learning and personalized recommendations. R developer and survival analysis expert. Spent 4.5 years running quantitative marketing analyses and global surveys at Gradient Metrics. Currently working on recommendations systems at emagine (formerly ProData Consult).

Community events host: organizer of Why R? conferences whyr.pl.

Talks on Meetups, Conferences and Webinars

2020

• 2020-12-12 Remote - Warsaw Days of Informatics
  • R on AWS in polish - Video
• 2020-11-19 Remote - It Job Fairs
  • Remote Work - tips & tricks - Video
• 2020-10-16 Remote - Data Science Summit
  • Hosting R as an API on AWS with SageMaker
• 2020-11-05 Remote - Why R? Webinars
  • R on AWS in english - Video
• 2020-07-01 Remote - x-Europe Webinars
  • Multi-state churn analysis - Video

2019

• 2019-11-07 Warsaw, Poland - IT Job Fairs
  • Remote work setup
• 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