Hadley Wickham

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Hadley Wickham
Hadley Wickham in 2015
Hadley Alexander Wickham

(1979-10-14) 14 October 1979 (age 42)
Alma materUniversity of Auckland (BSc, MSc)
Iowa State University (PhD)
Known forggplot2[1]
R packages
Scientific career
ThesisPractical tools for exploring data and models (2008)
Doctoral advisors

Hadley Alexander Wickham (born 14 October 1979) is a statistician from New Zealand and Chief Scientist at RStudio Inc.[2][4][5][6] and an adjunct Professor of statistics at the University of Auckland,[7] Stanford University,[8] and Rice University.[9] He is best known for his development of open-source software for the R statistical programming language for data visualisation, including ggplot2,[1] and other tidyverse packages, which support a tidy data approach to data science.[10][11][12]


Wickham received a Bachelors degree in Human Biology and a masters degree in statistics at the University of Auckland in 1999–2004 and his PhD at Iowa State University in 2008 supervised by Di Cook and Heike Hofmann.[3][13]

Career and research[edit]

Wickham is a prominent and active member of the R user community and has developed several notable and widely used packages including ggplot2, plyr, dplyr, and reshape2.[9][14] Wickham's data analysis packages for R are collectively known as the tidyverse.[15] According to Wickham's tidy data approach, each variable should be a column, each observation should be a row, and each type of observational unit should be a table.[16]

Honors and awards[edit]

In 2006 he was awarded the John Chambers Award for Statistical Computing for his work developing tools for data reshaping and visualisation.[17] Wickham was named a Fellow by the American Statistical Association in 2015 for "pivotal contributions to statistical practice through innovative and pioneering research in statistical graphics and computing".[18] Wickham was awarded the international COPSS Presidents' Award in 2019 for "influential work in statistical computing, visualisation, graphics, and data analysis" including "making statistical thinking and computing accessible to a large audience".[19]


Wickhams publications[2] include:

  • Wickham, Hadley; Grolemund, Garrett (2017). R for Data Science : Import, Tidy, Transform, Visualize, and Model Data. Sebastopol, CA: O'Reilly Media. ISBN 978-1491910399. OCLC 968213225.
  • Wickham, Hadley (2015). R Packages. Sebastopol, CA: O'Reilly Media, Inc. ISBN 978-1491910597.
  • Wickham, Hadley (2014). Advanced R. New York: Chapman & Hall/CRC The R Series. ISBN 978-1466586963.
  • Wickham, Hadley (2011). "The split-apply-combine strategy for data analysis". Journal of Statistical Software. 40 (1): 1–29. doi:10.18637/jss.v040.i01.
  • Wickham, Hadley (2010). "A layered grammar of graphics". Journal of Computational and Graphical Statistics. 19 (1): 3–28. doi:10.1198/jcgs.2009.07098. S2CID 58971746.
  • Wickham, Hadley (2010). "stringr: modern, consistent string processing". The R Journal. 2 (2): 3–28. doi:10.32614/RJ-2010-012.
  • Wickham, Hadley (2009). ggplot2: Elegant Graphics for Data Analysis (Use R!). New York: Springer. ISBN 978-0387981406.[1]
  • Wickham, Hadley (2007). "Reshaping data with the reshape package". Journal of Statistical Software. 21 (12): 1–20. doi:10.18637/jss.v021.i12.

Personal life[edit]

His sister Charlotte Wickham is also a statistician.[5]


  1. ^ a b c Wickham, Hadley (2011). "ggplot2". Wiley Interdisciplinary Reviews: Computational Statistics. 3 (2): 180–185. doi:10.1002/wics.147. ISSN 1939-5108. S2CID 247702774.
  2. ^ a b c Hadley Wickham publications indexed by Google Scholar Edit this at Wikidata
  3. ^ a b Hadley Wickham at the Mathematics Genealogy Project Edit this at Wikidata
  4. ^ "Washington Statistical Society October 2013 Newsletter". Washington Statistical Society. Retrieved 2014-02-12.
  5. ^ a b "Hadley Wickham". hadley.nz.
  6. ^ "60+ R resources to improve your data skills ( - Software )". News.idg.no. Archived from the original on 2014-02-22. Retrieved 2014-02-12.
  7. ^ "University of Auckland". Retrieved 2017-09-03.
  8. ^ "Hadley Wickham's Profile - Stanford Profiles". Retrieved 2017-09-03.[dead link]
  9. ^ a b "About - RStudio". Retrieved 2014-08-13.
  10. ^ Kopf, Dan (August 17, 2019). "What's next for the popular programming language R?". qz.com. Quartz. Retrieved August 18, 2019.
  11. ^ "The R-Files: Hadley Wickham". Revolutions.
  12. ^ Hyman, Rachel (2012). "Profile of Hadley Wickham, Data Scientist in Residence at Metamarkets". metamarkets.com.
  13. ^ Wickham, Hadley Alexander (2008). Practical tools for exploring data and models. iastate.edu (PhD). Iowa State University. doi:10.31274/rtd-180813-16852. OCLC 247410260. ProQuest 194000416. Retrieved 2019-02-14.
  14. ^ "Top 100 R Packages for 2013 (Jan-May)!". R-statistics blog. 13 June 2013. Retrieved 2014-08-12.
  15. ^ "Welcome to the Tidyverse". Revolution Analytics. Retrieved 2016-09-21.
  16. ^ Wickham, Hadley (2014). "Tidy Data". Journal of Statistical Software. 59 (10). doi:10.18637/jss.v059.i10.
  17. ^ "John Chambers Award Past winners". ASA Sections on Statistical Computing, Statistical Graphics. Archived from the original on 2017-07-31. Retrieved 2014-08-12.
  18. ^ "ASA names 62 fellows" (PDF). American Statistical Association. Archived from the original (PDF) on 4 March 2016. Retrieved 14 November 2015.
  19. ^ "Kiwi wins prestigious international statistics award for his outstanding contributions to the profession". Retrieved 1 August 2019.

External links[edit]