Blog Archives

crfsuite for natural language processing

October 29, 2018
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crfsuite for natural language processing

A new R package called crfsuite supported by BNOSAC landed safely on CRAN last week. The crfsuite package (https://github.com/bnosac/crfsuite) is an R package specific to Natural Language Processing and allows you to easily build and apply models for named entity recognition text chunking part of speech tagging intent recognition or classification of any category you have in mind The focus of the...

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Last call for the course on text mining of next week

October 2, 2018
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Last call for the course on text mining of next week

Last call for the 2-day course on Text Mining with R, held next week (08-09 October 2018) in Brussels, Belgium. Subscribe at https://www.eventbrite.co.uk/e/dsb2018-text-mining-with-r-jan-wijffels-bnosac-session-03-04-tickets-50586501588 You'll learn during that course the following: Cleaning of text data, regular expressions String distances Graphical displays of text data Natural language processing: stemming, parts-of-speech tagging, tokenization, lemmatisation, dependency parsing, noun phrase detection and keyword extraction Entity recognition & chunking using Conditional...

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udpipe version 0.7 for Natural Language Processing (#NLP) alongside #tidytext, #quanteda, #tm

September 11, 2018
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udpipe version 0.7 for Natural Language Processing (#NLP) alongside #tidytext, #quanteda, #tm

This blogpost announces the release of the udpipe R package version 0.7 on CRAN. udpipe is an R package which does tokenization, parts of speech tagging, lemmatization, morphological feature tagging and dependency parsing. It's main feature is that it is a lightweight R package which works on more than 50 languages and gives you rich NLP output out of...

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How to detect hatespeech in plain text #schildnvrienden

September 7, 2018
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How to detect hatespeech in plain text #schildnvrienden

Yesterday there was a pretty controversial Pano TV documentary called 'Wie is Schild & Vrienden echt' at the national television channel 'één' (https://www.vrt.be/vrtnu/a-z/pano/2018/pano-s2018a10). The documentary revealed the internal communication of a right-wing group from Belgium, called #schildnvrienden. After that, there was a show by Van Gils & gasten where a representative of the police explained or tried not to explain...

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Upcoming public courses on Text mining with R, Statistical machine learning with R, Applied Spatial Modelling with R, Advanced R programming, Computer Vision and Image Recognition

September 6, 2018
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Upcoming public courses on Text mining with R, Statistical machine learning with R, Applied Spatial Modelling with R, Advanced R programming, Computer Vision and Image Recognition

I'm happy to announce that the following list of courses for R users is ready to be booked. All courses are face-to-face courses held in Belgium. 08-09/10/2018: Text mining with R. Brussels (Belgium). http://di-academy.com/bootcamp + send mail to [email protected] 15-16/10/2018: Statistical machine learning with R. Leuven (Belgium). Subscribe here 05-06/11/2018: Text mining with R. Leuven (Belgium). Subscribe here 19-20/12/2018: Applied spatial modelling with R....

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Basic R Automation

May 11, 2018
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Last Wednesday, a small presentation was given at the RBelgium meetup in Brussels on Basic R Automation. For those of you who could not attend, here are the slides of that presentation which showed the use of the cronR and taskscheduleR R packages for ...

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An overview of keyword extraction techniques

April 3, 2018
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An overview of keyword extraction techniques

In this blogpost, we will show 6 keyword extraction techniques which allow to find keywords in plain text. Keywords are frequently occuring words which occur somehow together in plain text. Common examples are New York, Monte Carlo, Mixed Models, Brussels Hoofdstedelijk Gewest, Public Transport, Central Station, p-values, ... If you master these techniques, it will allow you to easily step...

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Automate R processes

March 21, 2018
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Automate R processes

Last week we updated the cronR R package and released it to CRAN allowing you to schedule any R code on whichever timepoint you like. The package was updated in order to comply to more stricter CRAN policies regarding writing to folders. Along the lines, the RStudio add-in of the package was also updated. It now looks as shown...

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A comparison between spaCy and UDPipe for Natural Language Processing for R users

February 8, 2018
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A comparison between spaCy and UDPipe for Natural Language Processing for R users

In the last few years, Natural Language Processing (NLP) has become more and more an open multi-lingual task instead of being held back by language, country and legal boundaries. With the advent of commonly used open data regarding natural language processing tasks as available at http://universaldependencies.org one can now relatively easily compare different toolkits which perform natural language processing....

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Last call for the course on Advanced R programming

January 31, 2018
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Last call for the course on Advanced R programming

Last call for the course on Advanced R programming scheduled in Leuven, Belgium on Febuary 20-21 2018. Register at: https://lstat.kuleuven.be/training/coursedescriptions/AdvancedprogramminginR.html You'll learn during that course: The apply family of functions, basic parallel programming for these functions and commonly needed data manipulation skills Making a basic reproducible report using Sweave and knitr including tables, graphs and literate programming How to create an R package Understand how...

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