Category Archives: Fav R Packages

Scoring questionnaires using the ‘qscorer’ package

Posted on April 30, 2019 by

Motivation Health-related questionnaires are used in many psychological studies and clinical trials. I know from my own experience that information about scoring procedures are often scattered among numerous sources and, thus, hard to find. Since I frequently work with questionnaires, … Continue reading →

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How to Assign Variable Labels in R

Posted on November 29, 2017 by

Intro Defining variable labels is a useful way to describe and document datasets. Unlike SPSS, which makes it very easy to define variable labels using the data editor, base R doesn't provide any function to define variable labels (as far … Continue reading →

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Scoring the St George’s Respiratory Questionnaire (SGRQ) using R

Posted on September 29, 2017 by

Background The St George's Respiratory Questionnaire (SGRQ) is an instrument for the measuring of Health-Related Quality-of-Life in patients with diseases of airways obstruction. The SGRQ contains 50 items covering three domains: Symptoms (8 items), Activity (16 items), and Impacts (26 … Continue reading →

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Scoring the Severe Respiratory Insufficiency Questionnaire (SRI) using R

Posted on August 30, 2017 by

Background The SRI is a multidimensional general health questionnaire “to assess HRQL in patients with chronic respiratory failure due to various underlying diseases” [1]. Based on 49 items, seven sub scales addressing the following domains are calculated: Respiratory Complaints (8 … Continue reading →

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How to install and use the hexSticker package

Posted on April 4, 2017 by

Intro A couple of days ago, the hexSticker package was published on CRAN. The package provides some functions to plot hexagon stickers that may be used to promote R packages. As described on GitHub, the stickers can be plotted either … Continue reading →

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My first R package: streetsofle

Posted on February 28, 2017 by

Intro A couple of days ago I published my first R package on GitHub. I’ve named the package streetsofle standing for streets of Leipzig because it includes a data set containing the street directory of the German city of Leipzig. … Continue reading →

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How to install the ‘RWordPress’ package in R

Posted on March 31, 2016 by

The RWordPress package is a very convenient tool for publishing blog posts from R to WordPress. In his blog post Publish blog posts from R + knitr to WordPress, Yihui Xie explains how to install and use the package. Furthermore, … Continue reading →

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