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136 results for “trend analysis”
Synthetic temporal dataset for temporal trend analysis and retrieval
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Geographical trends of soil-associated biodiversity changes due to tree plantations in South America: biome and climate constraints revealed through meta-analysis
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Autism Detection Based on Eye Movement Sequences on the Web: A Scanpath Trend Analysis Approach
<p>We propose a novel approach to detect autism based on the eye-movement paths of users on the Web. This approach based on Scanpath Trend Analysis (STA) proposed by Eraslan et al. (2016, 2017). This dataset is created to provide supplementary data for our paper entitled "Autism Detection Based on Eye Movement Sequences on the Web: A Scanpath Trend Analysis Approach" presented at <a href="http://www.w4a.info/2020/">the 17th International Web for All Conference (W4A'20)</a>. This dataset includes all the individual paths used for the evaluation of our proposed approach. The dataset also includes the Python code to re-run the evaluation.</p> <p><strong>References:</strong></p> <ul> <li>Sukru Eraslan, Yeliz Yesilada, and Simon Harper. 2016. Scanpath Trend Analysis on Web Pages: Clustering Eye Tracking Scanpaths. ACM Transactions on the Web, (SCI-E), 10, 4, Article 20.</li> <li>Sukru Eraslan, Yeliz Yesilada, and Simon Harper. 2017. Engineering web-based interactive systems: trend analysis in eye tracking scanpaths with a tolerance. In Proceedings of the ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS '17). ACM, New York, NY, USA, 3-8.</li> </ul>
Data from: Phylogeny, macroevolutionary trends and historical biogeography of sloths: insights from a Bayesian morphological clock analysis
Sloths, like other xenarthrans, are an extremely interesting group of mammals that, after a long history of evolution and diversification in South America, became established on islands in the Caribbean and later reached North America during the Great American Biotic Interchange. In all three regions they were part of the impressive Pleistocene megafauna. Most taxa became extinct and only two small, distantly related tree-dwelling genera survived. Here we incorporate several recently described genera of sloths into an assembled morphological data supermatrix and apply Bayesian inference, using phylogenetic and morphological clock methods, to 64 sloth genera. Thus, we investigate the evolution of the group in terms of the timing of divergence of different lineages and their diversity, morphological disparity and biogeographical history. The phylogeny obtained supports the existence of the commonly recognized clades for the group. Our results provide divergence time estimates for the major clades within Folivora that could not be dated with molecular methods. Lineage diversity shows an early increase, reaching a peak in the Early Miocene followed by a major drop at the end of the Santacrucian (Early Miocene). A second peak in the Late Miocene was also followed by a major drop at the end of the Huayquerian (Late Miocene). Both events show differential impact at the family level. After that, a slight Plio-Pleistocene decline was observed before the marked drop with the extinction at the end of the Pleistocene. Phenotypic evolutionary rates were high during the early history of the clade, mainly associated with Mylodontidae, but rapidly decreased to lower values around 25 Ma, whereas Megalonychidae have lower values at the beginning followed by a steady increase, peaking during the Late Miocene and the Pliocene. Morphological disparity showed a similar trend, with an early increase, followed by a slowly increasing phase through the Late Oligocene and Early Miocene, and ending with another increase beginning at the middle of the Miocene. Biogeographic analysis showed southern South America as the most probable area of origin of the clade and the main region in which the early diversification events took place. Both Megatheriinae and Nothrotheriinae basal nodes were strongly correlated with Andean uplift events, whereas the early history of Mylodontidae is closely associated with southern South America and also shows an early occupation of the northern regions. Within Megalonychidae, our results show Choloepus as a descendant of an island dispersing ancestor and a probable re-ingression to South America by a clade that originated in Central or North America.
Data from: Bucking the trend: genetic analysis reveals high diversity, large population size and low differentiation in a deep ocean cetacean
Understanding the genetic structure of a population is essential to its conservation and management. We report the level of genetic diversity and determine the population structure of a cryptic deep ocean cetacean, the Gray's beaked whale (Mesoplodon grayi). We analysed 530 bp of mitochondrial control region and 12 microsatellite loci from 94 individuals stranded around New Zealand and Australia. The samples cover a large area of the species distribution (~6000 km) and were collected over a 22-year period. We show high genetic diversity (h=0.933–0.987, π=0.763–0.996% and Rs=4.22–4.37, He=0.624–0.675), and, in contrast to other cetaceans, we found a complete lack of genetic structure in both maternally and biparentally inherited markers. The oceanic habitats around New Zealand are diverse with extremely deep waters, seamounts and submarine canyons that are suitable for Gray's beaked whales and their prey. We propose that the abundance of this rich habitat has promoted genetic homogeneity in this species. Furthermore, it has been suggested that the lack of beaked whale sightings is the result of their low abundance, but this is in contrast to our estimates of female effective population size based on mitochondrial data. In conclusion, the high diversity and lack of genetic structure can be explained by a historically large population size, in combination with no known exploitation, few apparent behavioural barriers and abundant habitat.
Could Google Trends be used to predict methamphetamine-related crime? An analysis of search volume data in Switzerland, Germany, and Austria
<p>Data for paper submitted to PLoS One on 2016-07-08. Title: Could Google Trends be used to predict methamphetamine-related crime? An analysis of search volume data in Switzerland, Germany, and Austria</p> <p>Authors: Alex Gamma, Roman Schleifer, Wolfgang Weinmann, Anna Buadze, Michael Liebrenz</p> <p>Format: ZIP-file</p> <p>Contains:<br /> - Two datafiles, each as .csv and .dta (Stata version 11) file.<br /> - README file with instructions</p> <p> </p> <p> </p>
Recommender Systems and AI Techniques in E-commerce: An Analysis of Trends and the Research Agenda
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Application of Artificial Intelligence in the Development of Smart Cities: An Analysis of Trends and the Research Agenda
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Information security education: a thematic trend analysis
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Historical data of flash flood and trend analysis information for Uttarakhand, India
<p>Historical data is always useful in interpreting any hazard-affected location. In this article historical data were gathered from various literature reviews, journals, newspapers, reports, and other sources to generate a flash flood map for Uttarakhand state, India. Between 1970 and 2020, a total of 122 sites were identified as being at risk of flash flooding. Moreover, several studies on rainfall trends at various scales have concluded that global warming is increasing extreme precipitation as well as extreme weather-related occurrences and risks. Therefore, high spatial resolution (0.25*0.25 degree) daily gridded rainfall data from the India Meteorological Department (IMD) was utilized to analyse the change in percentage from 1970 to 2020 for annual, pre-monsoon, monsoon, post-monsoon, and winter seasons.</p>
Exploring research trends in air-rail passenger transport relationships through a content-based analysis
<p>Data set for the journal publication title "Exploring research trends in air-rail passenger transport relationships through a content-based analysis"</p>
Exploring Trends in Gerontechnology Research: A Bibliometric Analysis
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University-Industry Collaboration: Bibliometric Analysis of Current and Future Trends
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Statistical Analysis of Strategic Food Commodity Pricing Trends
<p>This material has presented on 2nd International Conference on Advance Research in Social and Economic Science in October 25, 2023.</p>
Artifacts to Reproduce "16 Years of SPEC Power: An Analysis of x86 Energy Efficiency Trends"
<p>Dataset to reproduce the paper "16 Years of SPEC Power: An Analysis of x86 Energy Efficiency Trends".</p> <p>Contains raw & processed data, as well as scripts for data sourcing, extraction and processing, including figure generation.</p> <p>Please note that different licenses apply to different parts of the archive, as the included raw results from SPEC are subject to SPEC-defined rules.</p> <p>For additional information please refer to the readme.</p>
Datasets and analysis for "Geographical trends in academic conferences: an analysis on authors' affiliations"
<p>Datasets and analysis for "Geographical trends in academic conferences: an analysis on authors' affiliations"</p>
FIG. 5 in Trends in Chondrichthyan Research: An Analysis of Three Decades of Conference Abstracts
FIG. 5. (A) The number of abstracts that mention a species in each elasmobranch superorder as well as the subclass Holocephali. (B) Within abstracts mentioning the superorder Galeomorphii, the number of abstracts mentioning a species in each family. (C) Within abstracts mentioning the superorder Batoidea, the number of abstracts mentioning a species in each family.
FIG. 2 in Trends in Chondrichthyan Research: An Analysis of Three Decades of Conference Abstracts
FIG. 2. The most common research areas of abstracts submitted to the American Elasmobranch Society. For definitions and examples of each, see Supplemental Appendix 1 (see Data Accessibility).
FIG. 4 in Trends in Chondrichthyan Research: An Analysis of Three Decades of Conference Abstracts
FIG. 4. (A) The proportion of abstracts with female* first authors by year. (B) The percentage of AES abstracts each year that focused on paleontology research and that were presented by a researcher affiliated with an aquarium, with linear regression fitted.
FIG. 3 in Trends in Chondrichthyan Research: An Analysis of Three Decades of Conference Abstracts
FIG. 3. (A) The number of Movement/Telemetry research area abstracts that used acoustic or satellite telemetry by year. (B) The number of Diet/Feeding Ecology research area abstracts that used stable isotope analysis or stomach content analysis by year.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.