1,721,087 research outputs found
Correction: A Tale of Two Datasets: Representativeness and Generalisability of Inference for Samples of Networks
No full textThis note provides correction to some numerical results in Krivitsky P. N., Coletti, P., and Hens, N. (2023), "A Tale of Two Datasets: Representativeness and Generalisability of Inference for Samples of Networks," Journal of the American Statistical Association, 118, 2213-2224
Rejoinder to Discussion of "A Tale of Two Datasets: Representativeness and Generalisability of Inference for Samples of Networks''
Full text linkThis rejoinder responds to discussions by of Caimo, Niezink, and
Schweinberger and Fritz of ''A Tale of Two Datasets: Representativeness and
Generalisability of Inference for Samples of Networks'' by Krivitsky, Coletti,
and Hens, all published in the Journal of the American Statistical Association
in 2023.Comment: 10 pages, 3 figures, 3 table
A Tale of Two Datasets: Representativeness and Generalisability of Inference for Samples of Networks
Full text linkThe last two decades have seen considerable progress in foundational aspects
of statistical network analysis, but the path from theory to application is not
straightforward. Two large, heterogeneous samples of small networks of
within-household contacts in Belgium were collected using two different but
complementary sampling designs: one smaller but with all contacts in each
household observed, the other larger and more representative but recording
contacts of only one person per household. We wish to combine their strengths
to learn the social forces that shape household contact formation and
facilitate simulation for prediction of disease spread, while generalising to
the population of households in the region.
To accomplish this, we describe a flexible framework for specifying
multi-network models in the exponential family class and identify the
requirements for inference and prediction under this framework to be
consistent, identifiable, and generalisable, even when data are incomplete;
explore how these requirements may be violated in practice; and develop a suite
of quantitative and graphical diagnostics for detecting violations and
suggesting improvements to candidate models. We report on the effects of
network size, geography, and household roles on household contact patterns
(activity, heterogeneity in activity, and triadic closure).Comment: 101 pages (3 front matter, 26 body, 72 appendix), 35 figures (4 body,
31 appendix), 66 tables (1 body, 61 appendix
CoMix social contact data (Spain)
No full textCoMix social contact data for Spain.
We gratefully acknowledge the efforts of all teams involved in the implementation of the CoMix study in their country. More specifically: the team of Cristina Vilaplana at the Institute for Health Science Research Germans Trias i Pujol (IGTP) that acknowledges support from the SMA-TB Project from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 847762
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
CoMix social contact data (Slovenia)
No full textCoMix social contact data for Slovenia. We gratefully acknowledge the efforts of all teams involved in the implementation of the CoMix study in their country. More specifically: the team of Petra Klepac at the National Institute of Public Health
CoMix social contact data (Greece)
No full textCoMix social contact data for Greece. We gratefully acknowledge the efforts of all teams involved in the implementation of the CoMix study in their country. More specifically: the team of Elpida Pavi at the University of West Attica (UniWA)
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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