Blog Archives

Using Hadoop Streaming API to perform a word count job in R and C++

February 25, 2015
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by Marek Gagolewski, Maciej Bartoszuk, Anna Cena, and Jan Lasek (Rexamine). Introduction In a recent blog post we explained how we managed to set up a working Hadoop environment on a few CentOS7 machines. To test the installation, let’s play…Read more ›

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stringi 0.4-1 released – fast, portable, consistent character string processing

December 14, 2014
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A new release of the stringi package is available on CRAN (please wait a few days for Windows and OS X binary builds). # install.packages("stringi") or update.packages() library("stringi") Here’s a list of changes in version 0.4-1. In the current release,…Read more ›

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Faster, easier, and more reliable character string processing with stringi 0.3-1

November 6, 2014
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A new release of the stringi package is available on CRAN (please wait a few days for Windows and OS X binary builds). # install.packages("stringi") or update.packages() library("stringi") stringi is an R package providing (but definitely not limiting to) equivalents…Read more ›

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ICU Unicode text transforms in the R package stringi

May 20, 2014
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The ICU (International Components for Unicode) library provides very powerful and flexible ways to apply various Unicode text transforms. These include: Full (language-specific) case mappings, Unicode normalization, Text transliteration (e.g. script-to-script conversion). All of these are available to R programmers/users…Read more ›

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Counting the number of words in a LaTeX file with stringi

May 16, 2014
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Counting the number of words in a LaTeX file with stringi

In my recent post I promised to present the most interesting features of the stringi package in more detail. Here's one of such jolly features. Many LaTeX users may find it very useful. Loading a text file with encoding auto-detection…Read more ›

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(String/text processing)++: stringi 0.2-3 released

May 14, 2014
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A new release of the stringi package is available on CRAN (please wait a few days for Windows and OS X binary builds). stringi is a package providing (but definitely not limiting to) replacements for nearly all the character string…Read more ›

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ShareLaTeX now supports knitr

January 31, 2014
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ShareLaTeX (click here to register a free account) is a wonderful and reliable on-line editor for writing and compiling LaTeX documents “in the cloud” as well as working together in real-time (imagine Google Docs supporting LaTeX => you get ShareLaTeX).…Read more ›

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FuzzyNumbers_0.3-3 released

January 3, 2014
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A new release of the FuzzyNumbers package for R is now available on CRAN. The package provides S4 classes and methods to deal with Fuzzy Numbers that allow for computations of arithmetic operations, approximation by trapezoidal and piecewise linear FNs,…Read more ›

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FuzzyNumbers-0.3-1 released

June 23, 2013
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A new version of the FuzzyNumbers package for R has just been submitted to the CRAN archive. Check out our step-by-step tutorial. ** FuzzyNumbers Package CHANGELOG ** ********************************************************************* 0.3-1 /2013-06-23/ * piecewiseLinearApproximation() - general case (any knot.n) for method="NearestEuclidean" now…Read more ›

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Package-defined S4 generic covered by a base S3 generic in R packages

May 22, 2013
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While developing our agop package I encountered some problems with calling S4 generic functions defined in the Matrix package, that were created from “base” S3 generics. I don’t know whether it’s an R bug (tested in R 2.15 and R…Read more ›

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