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Reproducible research

"Conduct science with a particular level of reuse in mind." - Rule 3 of 10 Simple Rules for the Care and Feeding of Research data(1)

    Main points

In order to be able to repeat and verify research it is necessary to document the research process well. All material needed to reproduce the research (e.g. data, code and software) has to be publicly accessible. Reproducible research requires a thorough preparation in the planning phase. 

As a data supporter you will be able to advise a researcher on measures to take in order to start working reproducibly at an early stage. Expect the question "What is in it for me?" When asked, it may be useful to have testimonials at your disposal. How does reproducible research benefit researchers? The video below is a testimonial in which Patrick Vandewalle, senior researcher for Philips, shares his experiences with regard to reproducible research.

Set to HD quality for the best viewing experience.

Would you like to know more about Patrick Vandewalle and reproducible research?  

Five tips on reproducible research

In the book Reproducible research with R(7) the authors provide five practical tips on reproducible work:

  • Document everything!
  • Everything is a (text) file.
  • All files should be human readable.
  • Explicitly tie your files together.
  • Have a plan to organize, store, and make your files available.


The Reproducibility project(9) is an international project in which more than 250 researchers collaborate to repeat authoritative research. In fact, this project is a study to see how reproducible psychology experiments actually are. It draw a lot of attention and inspired reproducibility studies in other domains.


Click to open/close

  1. Goodman, A., e.a. (2014). 10 Simple Rules for the Care and Feeding of Scientific Data. Retrieved from
  2. Website Patrick Vandewalle. Retrieved from
  3. VandeWalle, P. (2011). Reproducible Research in Signal Processing: How to Increase Impact. [video]. Retrieved from
  4. Reproducible Research Repository. Retrieved from
  5. Runmycode. Retrieved from
  6. Research Compendia, Retrieved from
  7. Gandrud, C. (2013). Reproducible Research with R & RStudio. CRC Press. Retrieved from

    Your additions

Do you know stories or anecdotes that prove that researchers benefitted from research with reproducibility in mind? Do you know about projects in which researchers replicated each other’s research? Or do you have something else you would like to add? Let us know and post a comment. 

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Annemiek Kuil - Nico Sommerdijk van de TU/e heeft in het 3TU.Datacentrum een virtual machine behorende bij zijn proefschrift opgeslagen:
"Virtual machine (virtual disk image) belonging to the thesis ‘Business protocol adaptors for flexible chain formation and enactment’. It contains all the results, test sets, tool, source code and running examples underlying the thesis. The virtual machine enables users to re-run and check the system."

3 years 1 month ago · 
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Rick Vermunt - Ik ken wel slechte voorbeelden van reproduceerbaarheid. In mijn werk als helpdeskpersoon van het datacentrum komen studenten vaak met journal articles aanzetten waarin weliswaar de auteur weliswaar de bron noemt waaruit de data zijn getrokken (aangekochte databases met bv. economische cijfers) maar dat is alles. Het is aan de student om 1. welke data precies 3,welke berekeningen zijn uitgevoerd 2. uit te vinden waar exact die data zich bevinden 2.a. Soms heeft een instituut een andere licentie voor die database en moeten de gegevens elders worden gezocht. Daarom ook rekenmethode een duidelijke omschrijving van gebruikte data belangrijk. Het levert studenten veel frustratie op. (en het is schering en inslag)

3 years 6 days ago · 
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peter verberne - Wat een leuk filmpje van Patrick Vandewalle! In drie minuten legt hij de incentives bloot voor elke wetenschapper die publiceert om zijn onderzoeksdata beschikbaar te maken en zo te helpen bij het reproduceerbaar maken van onderzoeksdata

3 years 6 days ago · 
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