Blog Archives

Why R? 2019 Conference – Registration and Call for Papers Opened

May 15, 2019
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Why R? 2019 Conference – Registration and Call for Papers Opened

Two editions of Why R? conferences were a great networking success. We gather 200-300 R enthusiasts from Europe during each edition and were able to host more than 25 workshops together. The hunger for a bigger event led us to the 3rd edition! Abo...

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Unpacking immigration collocations

March 13, 2019
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Unpacking immigration collocations

As part of our road to detecting metaphors we got stuck on a simple problem: compound nouns. If you take the sentence: series of immigration policy changes Series modifies changes in reference to immigration policy, which is a compound noun. “Series of changes” is not what we would consider metaphorical usage, but our detector would label

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Why R? 2018 Conference – After Movie and Summary

November 7, 2018
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Why R? 2018 Conference – After Movie and Summary

For us, R is not about packages and data analysis. It is about a vibrant community that creates all those wonderful toys. As the Why R? Foundation we want to take part in the growth of the R user base. One of our first efforts is the Why R? conference ...

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Why R? 2018 Conf – CfP ends May 25th

May 22, 2018
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Why R? 2018 Conf – CfP ends May 25th

We are pleased to announance upcoming Why R? 2018 conference that is going to happen in central-eastern Europe (Poland, Wroclaw) this July (2-5th). It is the last week for the call for papers! Submit your talk here. About More about the conference one can find on the conference website whyr2018.pl and in the previous blog post we’ve prepared Why R?...

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Why R? 2018 Conference – Registration and Call for Papers Opened

April 25, 2018
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Why R? 2018 Conference – Registration and Call for Papers Opened

The first edition of Polish R Users Conferences called Why R? took place on 27-29 September at Warsaw University of Technology - Faculty of Mathematics and Information Science. The event was so successful that we’ve decided to launch a second edition of the conference. About the Why R? 2018 conference Important dates Keynotes Programme Pre-meetings ...

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Flip axes in plotly histograms – few approaches

November 29, 2017
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Flip axes in plotly histograms – few approaches

This seems easy as it requires just to change x parameter to y in the plot specification. Well, there are some edge cases where R users might get a in trouble! library(plotly) packageVersion('plotly') '4.7.1' Before you go, let me just expla...

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Why R?

November 27, 2017
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Why R?

The first edition of Polish R Users Conferences called Why R? took place on 27-29 September at Warsaw University of Technology - Faculty of Mathematics and Information Science. The Polish R community is very strong. Dig in into the post to find out wh...

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FSelectorRcpp on CRAN

March 14, 2017
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FSelectorRcpp on CRAN

FSelectorRcpp - Rcpp (free of Java/Weka) implementation of FSelector entropy-based feature selection algorithms with a sparse matrix support, has finally arrived on CRAN after a year of development. It is also equipped with a parallel backend. Big th...

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3rd Birthday of Warsaw R Enthusiasts Group

March 13, 2017
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3rd Birthday of Warsaw R Enthusiasts Group

This Thursday Warsaw R Enthusiasts Group (in polish Spotkania Entuzjastów R - SER - cheese) celebrated it’s 3rd birthday! Check this post to find out what we have prepared for this special occasion. Summary of three years of the group activity ...

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Use switch() instead of ifelse() to return a NULL

February 21, 2017
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Use switch() instead of ifelse() to return a NULL

Have you ever tried to return a NULL with the ifelse() function? This function is a simple vectorized workflow for conditional statements. However, one can’t just return a NULL value as a result of this evaluation. Check a tricky workaround solution...

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