Category Archives: Uncategorized

stringdist 0.9.6 on CRAN: new features

Posted on July 16, 2020 by mark

stringdist version 0.9.6 arrived on CRAN on 16 july 2020. This release brings a few new features. Fuzzy text search Search text for approximate matches of a search string using any stringdist distance. There are several functions that allow you … Continue reading →

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validate 0.9.3 is on CRAN

Posted on December 16, 2019 by mark

CRAN just accepted the latest version of our R package validate. The validate package provides an infrastructure to perform any data quality check in a flexible and extensible way. This is a minor update with the following new features: New … Continue reading →

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lintools 0.1.3 is on CRAN

Posted on December 5, 2019 by mark

Version 0.1.3 of the lintools package was accepted on CRAN today. This version brings a few internal improvements and switches the testing suite to the tinytest test infrastructure. lintools is provides basic manipulations of linear systems of equalities and inequalities … Continue reading →

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Make your package spherical

Posted on May 14, 2019 by mark

Larger packages typically consist of functions that are visible to the users (exported functions) and functions that are used by the exported functions, but that are invisible to the user. For example: # exported, user-visible function inch2cm <- function(x){ x*conversion_factor("inch") … Continue reading →

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validate version 0.1.5 is out

Posted on June 24, 2016 by mark

A new version of the validate package for data validation was just accepted on CRAN and will be available on all mirrors in a few days. The most important addition is that you can now reference the data set as … Continue reading →

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Simple pattern detection in numerical data

Posted on May 26, 2011 by mark

A while ago I helped out a colleague who was testing some methods to detect economic (in)activity of companies, based on their quarterly tax declarations (our institute has access to such data). One of the thing my colleague wanted was to detect simple patterns, … Continue reading →

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