Robert R. Sokal

86.0k total citations · 18 hit papers
247 papers, 63.6k citations indexed

About

Robert R. Sokal is a scholar working on Genetics, Ecology, Evolution, Behavior and Systematics and Plant Science. According to data from OpenAlex, Robert R. Sokal has authored 247 papers receiving a total of 63.6k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in Genetics, 55 papers in Ecology, Evolution, Behavior and Systematics and 21 papers in Plant Science. Recurrent topics in Robert R. Sokal's work include Genetic diversity and population structure (42 papers), Plant and animal studies (28 papers) and Genetic and phenotypic traits in livestock (24 papers). Robert R. Sokal is often cited by papers focused on Genetic diversity and population structure (42 papers), Plant and animal studies (28 papers) and Genetic and phenotypic traits in livestock (24 papers). Robert R. Sokal collaborates with scholars based in United States, Canada and Italy. Robert R. Sokal's co-authors include F. James Rohlf, P. H. A. Sneath, Charles D. Michener, Stephen E. Fienberg, Neal L. Oden, Kent G. Bailey, John O. Corliss, Peter E. Smouse, Jeffrey C. Long and Derek J. Pike and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Robert R. Sokal

238 papers receiving 57.3k citations

Hit Papers

Biometry: The Principles ... 1957 2026 1980 2003 1969 1970 1973 1982 1958 5.0k 10.0k 15.0k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Biometry: The Principles and Practice of Statistics in Biological Research
    1969 19.4k citations Robert R. Sokal et al. profile →
  2. Biometry. The Principles and Practice of Statistics in Biological Research
    1970 8.4k citations Robert R. Sokal, Robert R. Sokal et al. profile →
  3. Numerical Taxonomy: The Principles and Practice of Numerical Classification
    1973 4.4k citations Robert R. Sokal et al. profile →
  4. Biometry: The Principles and Practice of Statistics in Biological Research (2nd ed.).
    1982 3.5k citations Robert R. Sokal et al. profile →
  5. A Statistical Method for Evaluating Systematic Relationships
    1958 3.4k citations Robert R. Sokal et al. profile →
  6. Numerical Taxonomy: The Principles and Practice of Numerical Classification
    1974 2.8k citations Robert R. Sokal et al. profile →
  7. Multiple Regression and Correlation Extensions of the Mantel Test of Matrix Correspondence
    1986 1.8k citations Robert R. Sokal et al. Systematic Zoology profile →
  8. The Principles and Practice of Statistics in Biological Research.
    1982 1.4k citations Robert R. Sokal et al. profile →
  9. THE COMPARISON OF DENDROGRAMS BY OBJECTIVE METHODS
    1962 1.2k citations Robert R. Sokal et al. profile →
  10. Spatial autocorrelation in biology: 1. Methodology
    1978 1.1k citations Robert R. Sokal, Neal L. Oden Biological Journal of the Linnean Society profile →
  11. A New Statistical Approach to Geographic Variation Analysis
    1969 844 citations Robert R. Sokal et al. Systematic Zoology profile →
  12. The principles and practice of statistics in biological research
    1995 705 citations Robert R. Sokal Medical Entomology and Zoology profile →
  13. Principles of Numerical Taxonomy.
    1964 691 citations Robert R. Sokal et al. Systematic Zoology profile →
  14. Principles of Numerical Taxonomy
    1965 675 citations Robert R. Sokal et al. profile →
  15. A METHOD FOR DEDUCING BRANCHING SEQUENCES IN PHYLOGENY
    1965 483 citations Robert R. Sokal et al. Evolution profile →
  16. Spatial autocorrelation in biology: 2. Some biological implications and four applications of evolutionary and ecological interest
    1978 480 citations Robert R. Sokal, Neal L. Oden Biological Journal of the Linnean Society profile →
  17. A QUANTITATIVE APPROACH TO A PROBLEM IN CLASSIFICATION
    1957 372 citations Robert R. Sokal et al. Evolution profile →
  18. Biometry. The Principles and Practice of Statistics in Biological Research.
    1970 334 citations Robert R. Sokal, Robert R. Sokal et al. Systematic Zoology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Robert R. Sokal United States 72 16.2k 12.4k 12.0k 11.7k 10.2k 247 63.6k
F. James Rohlf United States 58 14.6k 0.9× 10.3k 0.8× 7.1k 0.6× 7.4k 0.6× 9.6k 0.9× 154 51.7k
Jerrold H. Zar United States 16 18.0k 1.1× 9.2k 0.7× 5.8k 0.5× 3.5k 0.3× 11.6k 1.1× 37 51.4k
Douglas M. Bates United States 37 19.8k 1.2× 16.4k 1.3× 9.5k 0.8× 8.0k 0.7× 15.5k 1.5× 87 100.0k
Robert M. May United Kingdom 136 18.7k 1.2× 13.0k 1.1× 4.8k 0.4× 22.3k 1.9× 12.2k 1.2× 476 82.1k
Joseph Felsenstein United States 55 24.2k 1.5× 20.8k 1.7× 21.9k 1.8× 26.3k 2.2× 7.7k 0.8× 94 96.4k
Masatoshi Nei United States 82 16.4k 1.0× 15.6k 1.3× 23.2k 1.9× 43.8k 3.8× 8.0k 0.8× 199 88.0k
David Posada Spain 55 15.4k 0.9× 13.0k 1.0× 12.5k 1.0× 18.5k 1.6× 5.2k 0.5× 164 56.6k
James H. Brown United States 114 34.5k 2.1× 16.0k 1.3× 5.0k 0.4× 7.8k 0.7× 22.7k 2.2× 394 62.7k
Pierre Legendre Canada 92 32.8k 2.0× 15.0k 1.2× 9.7k 0.8× 5.7k 0.5× 29.7k 2.9× 411 71.4k
Daniel Simberloff United States 102 25.7k 1.6× 14.9k 1.2× 8.5k 0.7× 6.8k 0.6× 22.1k 2.2× 382 52.5k

Countries citing papers authored by Robert R. Sokal

Since Specialization
Citations

This map shows the geographic impact of Robert R. Sokal's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert R. Sokal with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert R. Sokal more than expected).

Fields of papers citing papers by Robert R. Sokal

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert R. Sokal. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert R. Sokal. The network helps show where Robert R. Sokal may publish in the future.

Co-authorship network of co-authors of Robert R. Sokal

This figure shows the co-authorship network connecting the top 25 collaborators of Robert R. Sokal. A scholar is included among the top collaborators of Robert R. Sokal based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Robert R. Sokal. Robert R. Sokal is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Sokal, Robert R., Neal L. Oden, & Barbara A. Thomson. (2012). A Problem with Synthetic Maps. Human Biology. 84(5). 609–621. 4 indexed citations
2.
Chen, Jiangtian, Robert R. Sokal, & Merritt Ruhlen. (2012). Worldwide Analysis of Genetic and Linguistic Relationships of Human Populations. Human Biology. 84(5). 555–572. 5 indexed citations
3.
Sokal, Robert R., et al.. (2012). Historical Population Movements in Europe Influence Genetic Relationships in Modern Samples. Human Biology. 84(5). 581–606. 2 indexed citations
4.
Sokal, Robert R. & Robert S. Unnasch. (2009). Geographic covariation of hosts und parasites: Evidence from Populus und Pemphigus1. Journal of Zoological Systematics & Evolutionary Research. 26(2). 73–88.
5.
Sokal, Robert R., Neal L. Oden, & Barbara A. Thomson. (1998). Local spatial autocorrelation in biological variables. Biological Journal of the Linnean Society. 65(1). 41–62. 90 indexed citations
6.
Sokal, Robert R.. (1997). A simulation study of microevolutionary inferences by spatial autocorrelation analysis. Biological Journal of the Linnean Society. 60(1). 73–93. 8 indexed citations
7.
Sokal, Robert R., Richard L. Jantz, & Barbara A. Thomson. (1996). Dermatoglyphic variation in Europe. American Journal of Physical Anthropology. 100(1). 35–47. 7 indexed citations
8.
Sokal, Robert R.. (1995). The principles and practice of statistics in biological research. Medical Entomology and Zoology. 11(20). 451–554. 705 indexed citations breakdown →
9.
10.
Sokal, Robert R.. (1991). Convergent issues in genetics and demography. The American Journal of Human Genetics. 49(5). 1102–1102. 79 indexed citations
11.
Barbujani, Guido & Robert R. Sokal. (1991). Genetic population structure of Italy. I. Geographic patterns of gene frequencies.. PubMed. 63(3). 253–72. 49 indexed citations
12.
Sokal, Robert R.. (1989). Update to Haldane’s “Blood-Group Frequencies of European Peoples and Racial Origins". Human Biology. 61(5). 8. 5 indexed citations
13.
Sokal, Robert R., Geoffrey M. Jacquez, & Michael C. Wooten. (1989). Spatial autocorrelation analysis of migration and selection.. Genetics. 121(4). 845–855. 152 indexed citations
14.
Sokal, Robert R., et al.. (1988). Genetic changes across language boundaries in Europe. American Journal of Physical Anthropology. 76(3). 337–361. 54 indexed citations
15.
Derish, Pamela A., Robert R. Sokal, & Imre Lengyel. (1987). Ethnic and familial spatial patterns of abo serotypes in three medieval cemeteries. American Journal of Physical Anthropology. 72(2). 193–194. 3 indexed citations
16.
Shao, Kwang‐Tsao & Robert R. Sokal. (1986). Significance Tests of Consensus Indices. Systematic Zoology. 35(4). 582–582. 21 indexed citations
17.
Sokal, Robert R. & Daniel Wartenberg. (1983). A TEST OF SPATIAL AUTOCORRELATION ANALYSIS USING AN ISOLATION-BY-DISTANCE MODEL. Genetics. 105(1). 219–237. 369 indexed citations
18.
Sokal, Robert R. & Bruce Riska. (1981). Geographic variation in Pemphigus populitransversus (Insecta: Aphididae)*†. Biological Journal of the Linnean Society. 15(3). 201–233. 37 indexed citations
19.
Sullivan, Robert & Robert R. Sokal. (1963). The Effects of Larval Density on Several Strains of the House Fly. Ecology. 44(1). 120–130. 79 indexed citations
20.
Sokal, Robert R.. (1962). Variation and Covariation of Characters of Alate Pemphigus populi-transversus in Eastern North America. Evolution. 16(2). 227–227. 8 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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