Articles by Marcin Kosiński

Mini R Quizzes

October 25, 2016 | Marcin Kosiński

Data Science is sometimes a stressful and responsible job… so we spontaneously organize mini R quizzes in our R team at the company! Chaining R packages One of my favourite fast 5-minutes long R game is chaining R packages. One person says the nam... [Read more...]

Warsaw R-Ladies

October 21, 2016 | Marcin Kosiński

First Warsaw R-Ladies Workshops were held yesterday! Over 100 R-Ladies have registered for the event! In this post I present notes from this meeting and provide some pictures of the beauty part of R. You can also learn a bit about the gender gap in th... [Read more...]

Monitoring R Applications with RZabbix

September 14, 2016 | Marcin Kosiński

As R users we mostly perform analysis, produce reports and create interactive shiny applications. Those are rather one-time performances. Sometimes, however, the R developer enters the world of the real software development, where R applications shoul... [Read more...]

LDAvis Show Case on R-Bloggers

June 21, 2016 | Marcin Kosiński

Text mining is a new challenge for machine wandering practitioners. The increased interest in the text mining is caused by an augmentation of internet users and by rapid growth of the internet data which is said that in 80% is a text data. Extracting information from articles, news, posts and comments ... [Read more...]

R Hero saves Backup City with archivist and GitHub

June 14, 2016 | Marcin Kosiński

Have you ever suffered because of the impossibility of reproducing graphs, tables or analysis’ results in R? Have you ever bothered yourself for not being able to share R objects (i.e., plots or final analysis models) within your reports, posters or articles? Or maybe simply you have too many ... [Read more...]

Survival plots have never been so informative

May 22, 2016 | Marcin Kosiński

Hadley Wickham’s ggplot2 version 2.0 revolution, at the end of 2015, triggered many crashes in dependent R packages, that finally led to deletions of few packages from The Comprehensive R Archive Network. It occured that survMisc package was removed from CRAN on 27th of January 2016 and R world remained helpless in ... [Read more...]
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