Blog Archives

How to explore your heartbeat

December 8, 2012
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A few months ago, I bought a really cool book: Exploring Everyday Things (with R and Ruby). I learned many interesting and mostly useless things from the author, Sau Sheong Chang. Chapter 6 for example explains how to build a … Weiterlesen →

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Case Study: Network visualization with data from a 360° feedback – often wasted potential!

April 13, 2012
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Case Study: Network visualization with data from a 360° feedback – often wasted potential!

I assume that the reader of this paper knows the 360-degree method (also known as: multi-source feedback or management feedback). Reported is an authentic case. A total of 128 people participated as feedback receivers. Several thousand questionnaires were filled from … Weiterlesen →

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The German DIN33430 – Analysis of acceptance with R

March 2, 2012
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The German DIN33430 – Analysis of acceptance with R

The german DIN33430 defines quality standards that must be met in “job-related proficiency assessments”, the qualifications of the responsible parties involved, as well as the creation, execution and evaluation of such assessments. Licensed persons are published on a website (german). … Weiterlesen →

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Reflect your Personnel Selection: R & Taylor-Russell Tables

February 16, 2012
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Reflect your Personnel Selection: R & Taylor-Russell Tables

Taylor-Russell tables (Taylor & Russell, 1939) are designed to estimate the percentage of future employees who will be successful on the job if a particular selection method (eg. test, assessment center, interview) is used. I have already described the kibit … Weiterlesen →

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