Blog Archives

stringi 1.1.1 released

stringi is among the top 10 most downloaded R packages, providing various string processing facilities. A new release comes with a few bugfixes and new features. * [BUGFIX] #214: allow a regex pattern like `.*` to match an empty string.

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Speeding up R packages’ installation process

There is a time for some things, and a time for all things; a time for great things, and a time for small things — Miguel de Cervantes Building R packages from sources may take a long time, especially if

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

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

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Posted in Blog/Hadoop, Blog/R, Blog/R-bloggers

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

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

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Posted in Blog/R, Blog/R-bloggers

R now will keep children away from drugs

Do you find this plot fancy? If yes, you can find the code at the end of this article BUT if you spend a little time to read it thoroughly, you can learn how to create better ones. We would

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Playing with GUIs in R with RGtk2

Sometimes when we create some nice functions which we want to show other people who don’t know R we can do two things. We can teach them R what is not easy task which also takes time or we can

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Text mining in R – Automatic categorization of Wikipedia articles

Text mining is currently a live issue in data analysis. Enoromus text data resourses on the Internet made it an important component of Big Data world. The potential of information hidden in the words is the reason why I find

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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

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Posted in Blog/LaTeX, Blog/R, Blog/R-bloggers

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

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

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FuzzyNumbers_0.3-3 released

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,

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Posted in Blog/News, Blog/R, Blog/R-bloggers