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266 results for “data partitioning”
Data from: Accounting for heteroscedasticity and censoring in chromosome partitioning analyses
A fundamental assumption in quantitative genetics is that traits are controlled by many loci of small effect. Using genomic data, this assumption can be tested using chromosome partitioning analyses, where the proportion of genetic variance for a trait explained by each chromosome (h2c), is regressed on its size. However, as h2c-estimates are necessarily positive (censoring) and the variance increases with chromosome size (heteroscedasticity), two fundamental assumptions of ordinary least squares (OLS) regression are violated. Using simulated and empirical data we demonstrate that these violations lead to incorrect inference of genetic architecture. The degree of bias depend mainly on the number of chromosomes and their size distribution and are therefore specific to the species; using published data across many different species we estimate that not accounting for this effect overall resulted in 28% false positives. We introduce a new and computationally efficient resampling method that corrects for inflation caused by heteroscedasticity and censoring and that works under a large range of data set sizes and genetic architectures in empirical data sets. Our new method substantially improves the robustness of inferences from chromosome partitioning analyses.
Data from: De novo sequencing, assembly, and annotation of four threespine stickleback genomes based on microfluidic partitioned DNA libraries
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Data from: Testing for biases in selection on avian reproductive traits and partitioning direct and indirect selection using quantitative genetic models
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Data from: Ecological partitioning among parapatric cryptic species
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Data from: Predation risk and resource abundance mediate foraging behaviour and intraspecific resource partitioning among consumers in dominance hierarchies
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Data from: Homoplasy-based partitioning outperforms alternatives in Bayesian analysis of discrete morphological data
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Data from: Additional Support for Afrotheria and Paenungulata, the Performance of Mitochondrial versus Nuclear Genes, and the Impact of Data Partitions with Heterogeneous Base Composition
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Data from: Biomass partitioning of plants under soil pollution stress
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Data from: A partitioned likelihood analysis of swallowtail butterfly phylogeny (Lepidoptera: Papilionidae)
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Data from: Below-ground resource partitioning alone cannot explain the biodiversity–ecosystem function relationship: a field test using multiple tracers
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Data from: The relative importance of modeling site pattern heterogeneity versus partition-wise heterotachy in phylogenomic inference
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Data from: Vertical partitioning between sister species of Rhizopogon fungi on mesic and xeric sites in an interior Douglas-fir forest
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Data from: Grazing decreases N partitioning among coexisting plant species
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Data from: A three-dimensional computer simulation of feeding behaviour in red and giant pandas relates skull biomechanics with dietary niche partitioning
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Data from: Are all hosts created equal? Partitioning host species contributions to parasite persistence in multihost communities
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Data from: Does ecological specialization transcend scale? Habitat partitioning among individuals and species of Anolis lizards
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Data from: Accounting for heteroscedasticity and censoring in chromosome partitioning analyses
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Data from: An evaluation of different partitioning strategies for Bayesian estimation of species divergence times
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Data from: Interrelationships of basal synapsids: cranial and postcranial morphological partitions suggest different topologies
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Data from: Shaking the Diptera tree of life: performance analysis of nuclear and mitochondrial sequence data partitions
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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.