Nicholas T. Longford

23.4k total citations · 1 hit paper
121 papers, 18.5k citations indexed

About

Nicholas T. Longford is a scholar working on Statistics and Probability, Artificial Intelligence and Management Science and Operations Research. According to data from OpenAlex, Nicholas T. Longford has authored 121 papers receiving a total of 18.5k indexed citations (citations by other indexed papers that have themselves been cited), including 56 papers in Statistics and Probability, 23 papers in Artificial Intelligence and 23 papers in Management Science and Operations Research. Recurrent topics in Nicholas T. Longford's work include Statistical Methods and Bayesian Inference (28 papers), Statistical Methods and Inference (25 papers) and Bayesian Methods and Mixture Models (18 papers). Nicholas T. Longford is often cited by papers focused on Statistical Methods and Bayesian Inference (28 papers), Statistical Methods and Inference (25 papers) and Bayesian Methods and Mixture Models (18 papers). Nicholas T. Longford collaborates with scholars based in United Kingdom, Spain and United States. Nicholas T. Longford's co-authors include Anthony S. Bryk, Stephen W. Raudenbush, Murray Aitkin, J. A. Nelder, Bengt Muthén, John E. Rolph, Neal Thomas, Roderick P. McDonald, Maria Grazia Pittau and Daniel S. Mills and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of the American Statistical Association and Contemporary Sociology A Journal of Reviews.

In The Last Decade

Nicholas T. Longford

110 papers receiving 16.7k 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.

Hierarchical Linear Models: Applications and Data Analysis Methods.

1993 16.1k citations Nicholas T. Longford et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nicholas T. Longford United Kingdom	23	4.2k	4.2k	3.3k	3.1k	2.2k	121	18.5k
John B. Willett United States	51	2.8k 0.7×	4.3k 1.0×	2.4k 0.7×	4.2k 1.4×	1.8k 0.8×	134	17.7k
Thomas D. Cook United States	50	5.7k 1.4×	5.3k 1.3×	3.3k 1.0×	3.6k 1.2×	4.1k 1.9×	191	26.5k
Joop J. Hox Netherlands	50	7.0k 1.7×	3.8k 0.9×	5.2k 1.6×	4.6k 1.5×	3.4k 1.5×	140	26.5k
Douglas G. Bonett United States	33	4.8k 1.1×	2.2k 0.5×	4.9k 1.5×	3.7k 1.2×	2.2k 1.0×	107	22.6k
Marie Davidian United States	43	3.3k 0.8×	3.0k 0.7×	2.4k 0.7×	2.4k 0.8×	1.6k 0.7×	134	21.0k
Hannah R. Rothstein United States	24	3.3k 0.8×	2.3k 0.5×	3.3k 1.0×	4.3k 1.4×	2.1k 0.9×	53	25.9k
Tom A. B. Snijders Netherlands	65	7.2k 1.7×	2.2k 0.5×	3.2k 1.0×	2.2k 0.7×	2.3k 1.1×	212	22.4k
Dag Sörbom Sweden	26	4.7k 1.1×	2.4k 0.6×	4.8k 1.5×	3.4k 1.1×	1.7k 0.8×	35	20.9k
J. David Singer United States	57	5.9k 1.4×	3.8k 0.9×	2.4k 0.7×	4.0k 1.3×	2.3k 1.1×	192	22.7k
Mark W. Lipsey United States	47	4.9k 1.2×	4.3k 1.0×	3.4k 1.0×	7.5k 2.4×	3.9k 1.8×	142	23.4k

Countries citing papers authored by Nicholas T. Longford

Since Specialization

Citations

This map shows the geographic impact of Nicholas T. Longford'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 Nicholas T. Longford with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Nicholas T. Longford more than expected).

Fields of papers citing papers by Nicholas T. Longford

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nicholas T. Longford. 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 Nicholas T. Longford. The network helps show where Nicholas T. Longford may publish in the future.

Co-authorship network of co-authors of Nicholas T. Longford

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

All Works

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20 of 20 papers shown

Webbe, James, Cheryl Battersby, Nicholas T. Longford, et al.. (2022). Use of parenteral nutrition in the first postnatal week in England and Wales: an observational study using real-world data. BMJ Paediatrics Open. 6(1). e001543–e001543. 1 indexed citations

Binder, Christoph, Nicholas T. Longford, Margarita Thanhaeuser, et al.. (2021). A Mixed-Lipid Emulsion Containing Fish Oil for the Parenteral Nutrition of Preterm Infants: No Impact on Visual Neuronal Conduction. Nutrients. 13(12). 4241–4241.

Webbe, James, Nicholas T. Longford, Cheryl Battersby, et al.. (2021). Outcomes in relation to early parenteral nutrition use in preterm neonates born between 30 and 33 weeks’ gestation: a propensity score matched observational study. Archives of Disease in Childhood Fetal & Neonatal. 107(2). 131–136. 7 indexed citations

Gale, Chris, et al.. (2020). Effect of surfactant dose on outcomes in preterm infants with respiratory distress syndrome: the OPTI-SURF study protocol. BMJ Open. 10(12). e038959–e038959. 4 indexed citations

Helenius, Kjell, Nicholas T. Longford, Liisa Lehtonen, Neena Modi, & Chris Gale. (2020). Association of Early Postnatal Transfer and Birth Outside a Tertiary Hospital With Mortality and Severe Brain Injury in Extremely Preterm Infants: Observational Cohort Study With Propensity Score Matching. Obstetric Anesthesia Digest. 40(2). 91–91. 1 indexed citations

Longford, Nicholas T.. (2012). ‘Which model?’ is the wrong question. Statistica Neerlandica. 66(3). 237–252. 8 indexed citations

Longford, Nicholas T.. (2011). An assessment of empirical Bayes and composite estimators for small areas. Statistical Modelling. 11(2). 137–157. 1 indexed citations

Longford, Nicholas T.. (2010). Small-sample inference about variance and its transformations. LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas). 34(1). 3–20. 6 indexed citations

Longford, Nicholas T.. (2008). An alternative analysis of variance. LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas). 32(1). 77–92. 2 indexed citations

10.

Longford, Nicholas T.. (2001). Estimation of the Rates and Composition of Employment in Norwegian Municipalities. Journal of Official Statistics. 17(3). 391–406. 1 indexed citations

11.

Longford, Nicholas T.. (2001). Simulation-Based Diagnostics in Random-Coefficient Models. Journal of the Royal Statistical Society Series A (Statistics in Society). 164(2). 259–273. 22 indexed citations

12.

Longford, Nicholas T.. (2000). Multiple imputation in an international database of social science surveys. Social Science Open Access Repository (GESIS – Leibniz Institute for the Social Sciences). 72–95. 2 indexed citations

13.

Longford, Nicholas T., et al.. (2000). Handling Missing Data in Diaries of Alcohol Consumption. Journal of the Royal Statistical Society Series A (Statistics in Society). 163(3). 381–402. 22 indexed citations

14.

Longford, Nicholas T., et al.. (1998). A Two-Level Regression Model for Growth Curves with Correlated Outcomes. Biometrical Journal. 40(4). 447–454. 2 indexed citations

15.

Longford, Nicholas T., et al.. (1997). Monitoring the University Admissions Process in Spain. Repositori digital de la UPF (Universitat Pompeu Fabra).

16.

McDonald, Roderick P. & Nicholas T. Longford. (1997). Models for Uncertainty in Educational Testing.. Journal of the American Statistical Association. 92(437). 386–386. 31 indexed citations

17.

Longford, Nicholas T.. (1996). Small-area estimation using adjustment by covariates. RACO (Revistes Catalanes amb Accés Obert) (Consorci de Serveis Universitaris de Catalunya). 20(2). 187–212. 2 indexed citations

18.

Longford, Nicholas T.. (1994). Random Coefficient Models. 284 indexed citations

19.

Longford, Nicholas T.. (1994). A Case for Adjusting Subjectively Rated Scores in the Advanced Placement Tests. Program Statistics Research. Technical Report No. 94-5.. 3 indexed citations

20.

Longford, Nicholas T., et al.. (1987). Industry Effects and the Proportionality Assumption In Ratio Analysis. A Variance Component Analysis. Journal of Business Finance & Accounting. 14(4). 497–517. 26 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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