World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
39
Citations
73737
World Ranking
7486
National Ranking
31

Hadley Wickham publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Hadley Wickham sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 269 publications — 69th percentile

69% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Hadley Wickham D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Hadley Wickham sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 39 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Research.com Recognitions

  • 2019 - COPSS Presidents' Award For influential work in statistical computing, visualization, graphics, and data analysis; for developing and implementing an impressively comprehensive computational infrastructure for data analysis through R software; for making statistical thinking and computing accessible to large audience; and for enhancing an appreciation for the important role of statistics among data scientists.
  • 2015 - Fellow of the American Statistical Association (ASA)

Overview

Hadley Wickham is affiliated with the University of Auckland in New Zealand. Their research spans multiple areas within animal science, veterinary pharmacology, and genetics, with a focus on digestive system health, animal behavior, and the effects of environmental stressors on livestock.

The main topics covered in their work include:

  • Digestive system and related health
  • Animal Behavior and Welfare Studies
  • Effects of Environmental Stressors on Livestock

They have contributed to the following subfields of study:

  • Genetics
  • Small Animals
  • Animal Science and Zoology

Hadley Wickham has authored research published in these venues:

  • Journal of Veterinary Pharmacology and Therapeutics
  • Zenodo (CERN European Organization for Nuclear Research)

Recent papers by Hadley Wickham include:

  • ropensci/arkdb: v0.0.14 (2021), published in Zenodo (CERN European Organization for Nuclear Research)
  • P51 | Evaluation of potential anti-inflammatory and barrier-enhancing effects of indoles on the canine duodenum using intestinal organoids (2023), published in Journal of Veterinary Pharmacology and Therapeutics
  • P52 | New 3D organoid model suitable for in vitro adipose tissue testing (2023), published in Journal of Veterinary Pharmacology and Therapeutics

Frequent co-authors in their work include:

  • Vojtěch Gabriel
  • Christopher Zdyrski
  • Patrick C. Barko
  • Ralston
  • Dao

Throughout their career, Hadley Wickham has received recognition including:

  • COPSS Presidents' Award in 2019, for contributions to statistical computing, visualization, and data analysis as well as enhancing statistical thinking through R software
  • Fellow of the American Statistical Association (ASA) in 2015

Best Publications

  • ggplot2: Elegant Graphics for Data Analysis

    Hadley Wickham

  • Welcome to the Tidyverse

    Hadley Wickham;Mara Averick;Jennifer Bryan;Winston Chang

  • Reshaping Data with the reshape Package

    Hadley Wickham

  • The Split-Apply-Combine Strategy for Data Analysis

    Hadley Wickham

  • ggmap: Spatial Visualization with ggplot2

    David J. Kahle;Hadley Wickham

  • Dates and Times Made Easy with lubridate

    Garrett Grolemund;Hadley Wickham

  • R for Data Science: Import, Tidy, Transform, Visualize, and Model Data

    Hadley Wickham;Garrett Grolemund

  • A Layered Grammar of Graphics

    Hadley Wickham

  • A Grammar of Data Manipulation [R package dplyr version 1.0.2]

    Hadley Wickham;Romain François;Lionel Henry;Kirill Müller

  • Create Elegant Data Visualisations Using the Grammar of Graphics [R package ggplot2 version 3.3.2]

    Hadley Wickham;Winston Chang;Lionel Henry;Thomas Lin Pedersen

  • Letter-Value Plots: Boxplots for Large Data

    Heike Hofmann;Hadley Wickham;Karen Kafadar

  • testthat: Get Started with Testing

    Hadley Wickham

  • R Packages

    Hadley Wickham

  • Statistical inference for exploratory data analysis and model diagnostics.

    Andreas Buja;Dianne Cook;Heike Hofmann;Michael Lawrence

  • Graphical inference for infovis

    Hadley Wickham;Dianne Cook;Heike Hofmann;Andreas Buja

  • The Generalized Pairs Plot

    John W. Emerson;Walton A. Green;Barret Schloerke;Jason Crowley

  • A Grammar of Data Manipulation

    Hadley Wickham;Romain Francois

  • Tools to Make Developing R Packages Easier [R package devtools version 2.3.2]

    Hadley Wickham;Jim Hester;Winston Chang

  • Easily Tidy Data with 'spread()' and 'gather()' Functions

    Hadley Wickham

  • A Cognitive Interpretation of Data Analysis

    Garrett Grolemund;Hadley Wickham

  • Tourr: An R package for exploring multivariate data with projections

    Hadley Wickham;Dianne Cook;Heike Hofmann;Andreas Buja

  • Product Plots

    H. Wickham;H. Hofmann

  • Visualizing statistical models: Removing the blindfold

    Hadley Wickham;Dianne Cook;Heike Hofmann

  • Glyph‐maps for visually exploring temporal patterns in climate data and models

    Hadley Wickham;Heike Hofmann;Charlotte Wickham;Dianne Cook

  • Grand Tours, Projection Pursuit Guided Tours, and Manual Controls

    Dianne Cook;Andreas Buja;Eun-Kyung Lee;Hadley Wickham

  • The plumbing of interactive graphics

    Hadley Wickham;Michael Lawrence;Dianne Cook;Andreas Buja

  • Visual Methods for Examining SVM Classifiers

    Doina Caragea;Dianne Cook;Hadley Wickham;Vasant Honavar

  • ASA 2009 Data Expo

    Hadley Wickham

  • The 2013 Data Expo of the American Statistical Association

    Heike Hofmann;Hadley Wickham;Dianne Cook

  • Visualizing Complex Data With Embedded Plots

    Garrett Grolemund;Hadley Wickham

  • Graphical Criticism: Some Historical Notes

    Hadley Wickham

  • Extending the GGobi pipeline from R: Rapid prototyping of interactive visualizations

    Michael Lawrence;Hadley Wickham;Dianne Cook;Heike Hofmann

  • tourrGui: A gWidgets GUI for the tour to explore high-dimensional data using low-dimensional projections

    Bei Huang;Dianne Cook;Hadley Wickham

Frequent Co-Authors

Dianne Cook
Dianne Cook Monash University
Andreas Buja
Andreas Buja University of Pennsylvania
Martin Morgan
Martin Morgan Roswell Park Cancer Institute
Claus O. Wilke
Claus O. Wilke The University of Texas at Austin
Michael S. Lawrence
Michael S. Lawrence Harvard University
Diane M. Debinski
Diane M. Debinski Montana State University
Matthew J. Germino
Matthew J. Germino United States Geological Survey
Vasant Honavar
Vasant Honavar Pennsylvania State University
Pat Hanrahan
Pat Hanrahan Stanford University

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