Robert A. Koyak

7.8k total citations · 1 hit paper
11 papers, 6.2k citations indexed

About

Robert A. Koyak is a scholar working on Management Science and Operations Research, Safety, Risk, Reliability and Quality and Economics and Econometrics. According to data from OpenAlex, Robert A. Koyak has authored 11 papers receiving a total of 6.2k indexed citations (citations by other indexed papers that have themselves been cited), including 3 papers in Management Science and Operations Research, 2 papers in Safety, Risk, Reliability and Quality and 2 papers in Economics and Econometrics. Recurrent topics in Robert A. Koyak's work include Analytical chemistry methods development (2 papers), Advanced Control Systems Optimization (1 paper) and Manufacturing Process and Optimization (1 paper). Robert A. Koyak is often cited by papers focused on Analytical chemistry methods development (2 papers), Advanced Control Systems Optimization (1 paper) and Manufacturing Process and Optimization (1 paper). Robert A. Koyak collaborates with scholars based in United States and Ireland. Robert A. Koyak's co-authors include Ryan J. Tibshirani, Luke M. Froeb, Gregory J. Werden, Gerald G. Brown, David Cox and Javier Salmerón and has published in prestigious journals such as Journal of the American Statistical Association, Journal of Econometrics and The Annals of Statistics.

In The Last Decade

Robert A. Koyak

10 papers receiving 6.1k citations

Hit Papers

align trajectories

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.

Generalized Additive Models.

1991 6.2k citations Robert A. Koyak, Ryan J. Tibshirani et al. Journal of the American Statistical Association profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Robert A. Koyak United States	5	1.2k	1.2k	1.1k	891	618	11	6.2k
Ross Ihaka New Zealand	8	694 0.6×	1.9k 1.5×	948 0.8×	1.1k 1.2×	697 1.1×	18	12.2k
Clifford M. Hurvich United States	26	1.6k 1.3×	1.5k 1.3×	1.1k 1.0×	907 1.0×	671 1.1×	87	8.5k
Brian J. Reich United States	39	1.3k 1.1×	681 0.6×	867 0.8×	392 0.4×	774 1.3×	214	5.3k
Finn Lindgren United Kingdom	23	797 0.6×	1.0k 0.9×	1.2k 1.1×	666 0.7×	877 1.4×	67	5.6k
Carolin Strobl Germany	25	666 0.5×	1.3k 1.1×	1.1k 0.9×	738 0.8×	1.3k 2.2×	70	9.0k
Ryan J. Tibshirani United States	24	2.5k 2.1×	1.4k 1.1×	1.4k 1.2×	975 1.1×	1.7k 2.8×	70	12.0k
Anne‐Laure Boulesteix Germany	47	916 0.7×	1.2k 1.0×	971 0.8×	567 0.6×	1.8k 2.9×	148	12.0k
Ronald L. Iman United States	34	1.0k 0.8×	1.2k 1.0×	906 0.8×	688 0.8×	844 1.4×	84	11.0k
Stephen P. Brooks United States	34	2.0k 1.6×	2.2k 1.8×	902 0.8×	1.2k 1.3×	1.3k 2.1×	121	11.0k
Daniel Simpson United Kingdom	20	680 0.5×	643 0.5×	671 0.6×	429 0.5×	553 0.9×	57	4.3k

Countries citing papers authored by Robert A. Koyak

Since Specialization

Citations

This map shows the geographic impact of Robert A. Koyak'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 A. Koyak with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert A. Koyak more than expected).

Fields of papers citing papers by Robert A. Koyak

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert A. Koyak. 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 A. Koyak. The network helps show where Robert A. Koyak may publish in the future.

Co-authorship network of co-authors of Robert A. Koyak

This figure shows the co-authorship network connecting the top 25 collaborators of Robert A. Koyak. A scholar is included among the top collaborators of Robert A. Koyak 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 A. Koyak. Robert A. Koyak is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

11 of 11 papers shown

1.

Brown, Gerald G., et al.. (2021). Optimizing Prepositioning of Equipment and Personnel for Los Angeles County Fire Department to Fight Wildland Fires. RePEc: Research Papers in Economics. 51(6). 435–449. 4 indexed citations

2.

Koyak, Robert A., et al.. (2011). Nonparametric Tests for Homogeneity Based on Non-Bipartite Matching. Journal of the American Statistical Association. 106(496). 1615–1625. 1 indexed citations

3.

Brown, Gerald G., et al.. (2006). Estimating Total Program Cost of a Long-Term, High-Technology, High-Risk Project with Task Durations and Costs That May Increase Over Time. Military Operations Research. 11(4). 41–62. 2 indexed citations

4.

Koyak, Robert A., et al.. (2000). Statistical Models for the Evaluation of Portable Lead Measurement Technologies. Part II: X-Ray Fluorescence Instruments. Journal of Agricultural Biological and Environmental Statistics. 5(1). 37–37. 3 indexed citations

5.

Koyak, Robert A., et al.. (1999). Lead-Based Paint Testing Technologies: Summary of an EPA/HUD Field Study. American Industrial Hygiene Association Journal. 60(4). 444–451. 10 indexed citations

6.

Koyak, Robert A., et al.. (1998). Statistical Models for the Evaluation of Portable Lead Measurement Technologies. Part I: Chemical Test Kits. Journal of Agricultural Biological and Environmental Statistics. 3(4). 451–451. 1 indexed citations

7.

Froeb, Luke M. & Robert A. Koyak. (1994). Measuring and comparing smoothness in time series the production smoothing hypothesis. Journal of Econometrics. 64(1-2). 97–122. 9 indexed citations

8.

Froeb, Luke M., Robert A. Koyak, & Gregory J. Werden. (1993). What is the effect of bid-rigging on prices?. Economics Letters. 42(4). 419–423. 29 indexed citations

9.

Koyak, Robert A., et al.. (1991). Generalized Additive Models.. Journal of the American Statistical Association. 86(416). 1140–1140. 6170 indexed citations breakdown →

10.

Koyak, Robert A.. (1990). Consistency for ACE-Type Methods. The Annals of Statistics. 18(2). 4 indexed citations

11.

Koyak, Robert A.. (1987). On Measuring Internal Dependence in a Set of Random Variables. The Annals of Statistics. 15(3). 14 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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