ggeffects: Tidy Data Frames of Marginal Effects from Regression Models

Lüdecke, Daniel

doi:10.21105/joss.00772

Cited by 1,681 publications

(1,052 citation statements)

References 3 publications

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“…Confidence intervals of fixed effect parameter estimates were obtained using the profile likelihood method implemented in the confint.merMod function of the lme4 package. The function ggpredict from the ggeffects package (Lüdecke ) was used to compute predicted marginal effects of year on measurements of pollinator visitation holding number of flowers per patch fixed.…”

Section: Methodsmentioning

confidence: 99%

Complex long‐term dynamics of pollinator abundance in undisturbed Mediterranean montane habitats over two decades

Herrera

2018

Ecological Monographs

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Current notions of “pollinator decline” and “pollination crisis” mainly arose from studies on pollinators of economic value in anthropogenic ecosystems of mid‐latitude temperate regions. Comprehensive long‐term pollinator data from biologically diverse, undisturbed communities are needed to evaluate the actual extent of the so‐called “global pollination crisis.” This paper analyzes the long‐term dynamics of pollinator abundance in undisturbed Mediterranean montane habitats using pollinator visitation data for 65 plant species collected over two decades. Objectives are (1) to elucidate patterns of long‐term changes in pollinator abundance from the perspectives of individual plant species, major pollinator groups, and the whole plant community and (2) to propose a novel methodological implementation based on combining a planned missing data design with the analytical strength of mixed effects models, which allows one to draw community‐wide inferences on long‐term pollinator trends in species‐rich natural habitats. Probabilistic measurements (“patch visitation probability” and “flower visitation probability” per time unit) were used to assess pollinator functional abundance for each plant species on two separate, randomly chosen years. A total of 13,054 pollinator censuses accounting for a total watching effort of 2,877,039 flower‐min were carried out on 299 different dates. Supra‐annual unstability in pollinator functional abundance was the rule, with visitation probability to flowering patches and/or individual flowers exhibiting significant heterogeneity between years in the majority of plant species (83%). At the plant‐community level, there was a significant linear increase in pollinator functional abundance over the study period. Probability of pollinator visitation to flowering patches and individual flowers increased due to increasing visitation by small solitary bees and, to a lesser extent, small beetles. Visitation to different plant species exhibited contrasting changes, and insect orders and genera differed widely in sign and magnitude of linear abundance trends, thus exemplifying the complex dynamics of community‐wide changes in pollinator functional abundance. Results of this investigation indicate that pollinator declines are not universal beyond anthropogenic ecosystems; stress the need for considering broader ecological scenarios and comprehensive samples of plants and pollinators; and illustrate the crucial importance of combining ambitious sampling designs with powerful analytical schemes to draw reliable inferences on pollinator trends at the plant community level.

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Section: Methodsmentioning

confidence: 99%

Complex long‐term dynamics of pollinator abundance in undisturbed Mediterranean montane habitats over two decades

Herrera

2018

Ecological Monographs

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“…We calculated a GLMM with accuracy, solution time, search, and search effort and un/related prime as fixed effects. The output summary and the p ‐values for the single predictors were obtained via the sjPlot‐package in R (Lüdecke, ).…”

Section: Methodsmentioning

confidence: 99%

Verbal insight revisited: fMRI evidence for early processing in bilateral insulae for solutions with AHA! experience shortly after trial onset

Becker

Sommer

Kühn

2019

Human Brain Mapping

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In insight problem solving solutions with AHA! experience have been assumed to be the consequence of restructuring of a problem which usually takes place shortly before the solution. However, evidence from priming studies suggests that solutions with AHA! are not spontaneously generated during the solution process but already relate to prior subliminal processing. We test this hypothesis by conducting an fMRI study using a modified compound remote associates paradigm which incorporates semantic priming. We observe stronger brain activity in bilateral anterior insulae already shortly after trial onset in problems that were later solved with than without AHA!. This early activity was independent of semantic priming but may be related to other lexical properties of attended words helping to reduce the amount of solutions to look for. In contrast, there was more brain activity in bilateral anterior insulae during solutions that were solved without than with AHA!. This timing (after trial start/during solution) x solution experience (with/without AHA!) interaction was significant. The results suggest that (a) solutions accompanied with AHA! relate to early solution‐relevant processing and (b) both solution experiences differ in timing when solution‐relevant processing takes place. In this context, we discuss the potential role of the anterior insula as part of the salience network involved in problem solving by allocating attentional resources.

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“…All analyses were conducted in R software version 3.4.4 [20]. Logistic regression modelling was conducted using the 'glm' function and predicted probabilities were computed using 'ggaverage' from the 'ggeffects' package [21].…”

Section: Statistical Modelling Analysesmentioning

confidence: 99%

Epidemiology of seasonal coronaviruses: Establishing the context for COVID-19 emergence

Nickbakhsh

Marques

et al. 2020

Preprint

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Public health preparedness for coronavirus disease 2019 is challenging in the absence of setting-specific epidemiological data. Here we describe the epidemiology of seasonal human coronaviruses (sCoVs) and other cocirculating viruses in the West of Scotland, UK. We analyzed routine diagnostic data for >70,000 episodes of respiratory illness tested molecularly for multiple respiratory viruses between 2005 and 2017. Statistical associations with patient age and sex differed between CoV-229E, CoV-OC43 and CoV-NL63. Furthermore, the timing and magnitude of sCoV outbreaks did not occur concurrently and coinfections were not reported. With respect to other cocirculating respiratory viruses, we found evidence of positive, rather than negative, interactions with sCoVs. These findings highlight the importance of considering cocirculating viruses in the differential diagnosis of COVID-19. Further work is needed to establish the occurrence/degree of cross-protective immunity conferred across sCoVs and with COVID-19, as well as the role of viral coinfection in COVID-19 disease severity.

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ggeffects: Tidy Data Frames of Marginal Effects from Regression Models

Cited by 1,681 publications

References 3 publications

Complex long‐term dynamics of pollinator abundance in undisturbed Mediterranean montane habitats over two decades

Complex long‐term dynamics of pollinator abundance in undisturbed Mediterranean montane habitats over two decades

Verbal insight revisited: fMRI evidence for early processing in bilateral insulae for solutions with AHA! experience shortly after trial onset

Epidemiology of seasonal coronaviruses: Establishing the context for COVID-19 emergence

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