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D-Index & Metrics

Mathematics

D-Index
49
Citations
148087
World Ranking
1102
National Ranking
86

Ian T. Jolliffe publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Ian T. Jolliffe sits on this spectrum.

42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 118 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

Ian T. Jolliffe D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Ian T. Jolliffe sits on this spectrum.

30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 49 D-Index — 69th percentile

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

The last bar groups every scientist with 86 D-Index or more.

Research.com Recognitions

  • 2009 - Fellow of the American Statistical Association (ASA)

Overview

Ian T. Jolliffe is affiliated with the University of Exeter in the United Kingdom. Their research work spans multiple disciplines, focusing mainly on mathematics and environmental science.

The main fields of study in their work include:

  • Mathematics
  • Environmental Science

Within these broad fields, their subfields of study encompass:

  • Statistics and Probability
  • Global and Planetary Change
  • Analytical Chemistry
  • Atmospheric Science

The topics they have contributed to are diverse and cover several specialized areas:

  • Spectroscopy and Chemometric Analyses
  • Advanced Statistical Methods and Models
  • Statistical Methods and Applications
  • Climate variability and models
  • Hydrology and Drought Analysis
  • Meteorological Phenomena and Simulations

Ian T. Jolliffe has published at least two notable papers:

  • "A 50-year personal journey through time with principal component analysis," 2021, Journal of Multivariate Analysis
  • "Benchmarking the performance of homogenization algorithms on synthetic daily temperature data," 2021, International Journal of Climatology

They have collaborated frequently with other researchers, including:

  • Rachel Killick
  • Kate M. Willett

Their work has appeared primarily in the following publication venues:

  • Journal of Multivariate Analysis
  • International Journal of Climatology

Ian T. Jolliffe was named a Fellow of the American Statistical Association (ASA) in 2009, reflecting recognition by peers within the statistical community.

Best Publications

  • Principal Component Analysis

    Ian Jolliffe

  • Principal Components in Regression Analysis

    I. T. Jolliffe

  • Principal component analysis: a review and recent developments

    Ian T. Jolliffe;Jorge Cadima;Jorge Cadima

  • Forecast verification: a practitioner's guide in atmospheric science

    Ian T. Jolliffe;David B. Stephenson

  • Discarding Variables in a Principal Component Analysis. I: Artificial Data

    I. T. Jolliffe

  • Empirical orthogonal functions and related techniques in atmospheric science: A review

    A. Hannachi;I. T. Jolliffe;D. B. Stephenson

  • A Note on the Use of Principal Components in Regression

    Ian T. Jolliffe

  • A Modified Principal Component Technique Based on the LASSO

    Ian T Jolliffe;Nickolay T Trendafilov;Mudassir Uddin

  • Principal Component Analysis and Factor Analysis

    I. T. Jolliffe

  • Discarding Variables in a Principal Component Analysis. Ii: Real Data

    I. T. Jolliffe

  • Estimating common trends in multivariate time series using dynamic factor analysis

    A. F. Zuur;R. J. Fryer;I. T. Jolliffe;R. Dekker

  • PRINCIPAL COMPONENT ANALYSIS: A BEGINNER'S GUIDE — I. Introduction and application

    Ian T. Jolliffe

  • Rotation of principal components: choice of normalization constraints

    Ian T. Jolliffe

  • Principal Component Analysis

    Larry E. Richards;I. T. Jolliffe

  • Principal Component Analysis for Special Types of Data

    I. T. Jolliffe

  • Revised “LEPS” Scores for Assessing Climate Model Simulations and Long-Range Forecasts

    J. M. Potts;C. K. Folland;I. T. Jolliffe;D. Sexton

  • Principal component analysis: A beginner's guide — II. Pitfalls, myths and extensions

    Ian T. Jolliffe

  • Graphical Representation of Data Using Principal Components

    I. T. Jolliffe

  • Equitability Revisited: Why the ''Equitable Threat Score'' Is Not Equitable

    Robin J. Hogan;Christopher A. T. Ferro;Ian T. Jolliffe;David B. Stephenson

  • A comparison of multivariate outlier detection methods for clinical laboratory safety data

    Kay I. Penny;Ian T. Jolliffe

  • Nonlinear Multivariate Analysis.

    Ian Jolliffe;A. Gifi

Frequent Co-Authors

David B. Stephenson
David B. Stephenson University of Exeter
Byron J. T. Morgan
Byron J. T. Morgan University of Kent
Peter Thorne
Peter Thorne National University of Ireland, Maynooth
Steve Easterbrook
Steve Easterbrook University of Toronto
Claude N. Williams
Claude N. Williams National Oceanic and Atmospheric Administration
Lucie A. Vincent
Lucie A. Vincent Environment and Climate Change Canada
Lisa V. Alexander
Lisa V. Alexander University of New South Wales
Stefan Brönnimann
Stefan Brönnimann University of Bern
Graham J. Pierce
Graham J. Pierce Spanish National Research Council
Alain F. Zuur
Alain F. Zuur University of Aberdeen

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Related Online Degrees & Career Pathways

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