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10,006 results for “randomness”
Figure 1 from: Abu-Samak MS, Hasoun LZ, Barham A, Mohammad BA, Mosleh I, Aljaberi A, Awwad SH (2021) The supplementary effects of omega-3 fatty acid alone and in a combination with vitamin D3 on serum leptin levels: A randomized clinical trial on men and women with vitamin D deficiency. Pharmacia 68(3): 517-525. https://doi.org/10.3897/pharmacia.68.e64422
Figure 1 CONSORT flow diagram for the study, indicating the number of subjects screened, recruited, and randomly assigned to the different intervention groups.
Characteristics of the naturalized flora of Southern Africa largely reflect the non-random introduction of alien species for cultivation
<p>This dataset contains data on the cultivated alien and native flora of Southern Africa associated with data on geographic origins, growth form, functional traits, and naturalization status extracted from different data sources described in Omer, A. et al. 2021. Characteristics of the naturalized flora of Southern Africa largely reflect the non-random introduction of alien species for cultivation– Ecography. doi: 10.1111/ecog.05669. </p> <p>It is frequently overlooked, however, that patterns in origin, phylogeny, and traits of naturalized alien species might largely reflect which species have been introduced in the first place. This study quantifies and assesses such introduction biases by analyzing 5317 plant species introduced for cultivation (i.e. primarily as ornamental garden plants) in the 10 countries composing Southern Africa.</p> <p>The main results show that this cultivated alien flora represents a non-random subset of the global flora and that this bias at the introduction stage largely contributes to patterns in geographic origin, phylogenetic composition, and traits of the naturalized flora of Sothern Africa. </p>
Figure 1 from: Hughes KW, Morris SD, Reboredo-Segovia A (2015) Cloning of ribosomal ITS PCR products creates frequent, non-random chimeric sequences – a test involving heterozygotes between Gymnopus dichrous taxa I and II. MycoKeys 10: 45-56. https://doi.org/10.3897/mycokeys.10.5126
Figure 1 - The ITS2 region of two haplotypes of Gymnopus dichrous: Haplotypes DI (represented by TENN68084) and DII (represented by TENN68078). The TC pair at position 15 and the indel at position 25 were used to determine which the haplotype was represented by the 5' end of a cloned sequence. Bases in red are points where DI and DII haplotypes differ in sequence and were used to determine if template switching had occurred in a cloned PCR product. Eight base pairs at which template switching can be detected are indicated by numbers 1-8. The possible area in which template switching (ts) could have occurred is indicated by vertical arrows and the number of observed template switching events is given above the vertical arrow. Bases that may be involved in intra-strand base pairing as determined by MFOLD are outlined with black boxes. Ambiguity codes indicate intraspecific variation.
Pain profile during orthodontic levelling and alignment with fixed appliances reported in randomized trials: a systematic review with meta-analyses
<p>Dataset for all analyses</p>
Dataset of "Super-resolution generative adversarial networks of randomly seeded fields"
<p>Dataset of the article "Super-resolution generative adversarial networks of randomly seeded fields" (https://doi.org/10.1038/s42256-022-00572-7)</p> <p>The codes processing data here are on https://github.com/eaplab/RaSeedGAN</p> <p>This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (grant agreement No 949085, NEXTFLOW).</p>
Raw Data for the article: Donor Simvastatin Treatment Is Safe and Might Improve Outcomes After Liver Transplantation: A Randomized Clinical Trial
<p><strong>Background: </strong>The current curative approaches for ischemia/reperfusion injury on liver transplantation are still under debate for their safety and efficacy in patients with end-stage liver disease. We present the SIMVA statin donor treatment before Liver Transplants study.</p> <p><strong>Methods: </strong>SIMVA statin donor treatment before Liver Transplants is a monocentric, double-blind, randomized, prospective tial aiming to compare the safety and efficacy of preoperative brain-dead donors' treatment with the intragastric administration of 80 mg of simvastatin on liver transplant recipient outcomes in a real-life setting. Primary aim was incidence of patient and graft survival at 90 and 180 d posttransplant; secondary end-points were severe complications.</p> <p><strong>Results: </strong>The trial enrolled 58 adult patients (18-65 y old). The minimum follow-up was 6 mo. No patient or graft was lost at 90 or 180 d in the experimental group (n = 28), whereas patient/graft survival were 93.1% ( P = 0.016) and 89.66% ( P = 0.080) at 90 d and 86.21% ( P = 0.041) and 86.2% ( P = 0.041) at 180 d in the control group (n = 29). The percentage of patients with severe complications (Clavien-Dindo ≥IIIb) was higher in the control group, 55.2% versus 25.0% in the experimental group ( P = 0.0307). The only significant difference in liver tests was a significantly higher gamma-glutamyl transferase and alkaline phosphatase at 15 d ( P = 0.017), ( P = 0.015) in the simvastatin group.</p> <p><strong>Conclusions: </strong>Donor simvastatin treatment is safe, and may significantly improve early graft and patient survival after liver transplantation, although further research is mandatory.</p>
Insight into modifiable risk factors for tuberculosis : a Mendelian randomization study(supplementary materials)
<p>Detailed results of the above 5 statistical methods.</p>
The data and code for "Gap-Filling of Turbulent Heat Fluxes over Rice–Wheat-Rotation Croplands Using the Random Forest Model""
<p>This file contains the dataset and code for the paper "Gap-Filling of Turbulent Heat Fluxes over Rice–Wheat-Rotation Croplands Using the Random Forest Model".</p>
Data for: Artificial squares, rectangles and Xray images in random rotational orientations, centered and in different sizes
<p>SORFAC-CT (Cylindrical-Topology Self-Organizing Reference-Free Alignment and Classification; pronounced sôr-fakt or sôr-fak-si-ti) is an efficient method of reference-free rotational image alignment. SORFAC-CT circumvents the dependence of subjective user- or computer-generated external or internal reference images used by other reference-based techniques. Alignment is performed using a Kohonen self-organizing map (SOM), configured on a cylindrical array of artificial neurons. Although alternative alignment protocols often depend on an expert to adjust many ad hoc parameters, SORFAC-CT instead achieves the minimization of one objectively calculated target function by varying only two free parameters. Because SOMs preserve the topological properties of the training (dataset) images, the relative in-plane rotational orientations of dataset images are obtained directly from the array's intrinsic cylindrical coordinate system by noting each mapped dataset image's respective azimuthal angle coordinate placement around the cylinder. Dataset images are not rotated into alignment with internally or externally generated reference images. Instead, SORFAC-CT starts with a cylindrical array of proto-models consisting of random pixel values. The proto-models gradually morph to become the rotational class models by an unsupervised process. The dataset images are then mapped to the class models according to greatest similarity; the alignment angles directly read off the cylinder. This was tested on datasets including square, rectangular and hexagonal geometrical shapes in six different sizes, to introduce heterogeneity. It was also tested using noisy 2-dimensional projections of the AQP-1 x-ray model. The results were near-perfect alignments that could be improved by increasing cylinder circumference, until the resolution limits of the dataset images are reached.</p>
A pragmatic randomized maternal education trial in rural Uganda - Eight years of sustained improvement in child development
<p><strong><span>Background</span> </strong></p> <p><span>Nutrition and stimulation interventions may promote early childhood development, but little is known about the long-term benefits of such interventions, particularly in low- and middle-income countries. We now conducted a follow-up study on a cluster-randomized maternal education trial that was conducted when their children were 6<span>–</span>8 months old, to assess the sustainability of the developmental benefits eight years after the intervention.</span></p> <p><strong><span>Methods and findings</span></strong></p> <p><span>The intervention consisted of education in nutrition, hygiene, oral sanitation and child stimulation. In the current study, we assessed child processing and cognitive abilities using the Kaufman Assessment Battery for Children Second Edition (KABC-II) and attention and inhibitory control using the </span><span>Test of Variables of Attention (TOVA)</span><span>. Using Stata version 17.0, t-tests and multi-level regression were employed to compare scores from KABC-II and </span><span>TOVA tests</span><span> in the two study groups adjusting for clustering effect. The data were analyzed by intention-to-treat. The original trial included 511 mother-child pairs (intervention n=263, control n=248), whereas in the current study, 361 (71%; intervention n=185, control n=176) pairs were available for analyses. T</span><span>he intervention group scored higher than the controls (all P-values<0.001) on all five KABC-II sub-scales, as well as on the KABC-II global score</span><span> (mean difference: </span><span>14, 95% CI: 12–16; P<0.001). </span><span>Furthermore, </span><span>for all five TOVA variables, the intervention group scored higher than the controls in both the visual and auditory tasks (all P-values <0.05).</span> <span> The main limitation is that we were unable to determine the exact individual contribution of each component (nutrition, hygiene and stimulation) of the intervention to the developmental benefits since they were all delivered as a combined package.</span></p> <p><strong><span>Conclusions </span></strong></p> <p><span>The intervention group consistently scored markedly higher on both psychometric tests. Thus, even eight years after the original maternal education intervention, the developmental benefits that we observed at child age of one, two and three years, were sustained.</span></p>
FedUP: A Pay-as-you-go Federated SPARQL Query Engine Powered by Random Walks
<p>This repository contains all the queries and datasets used to generate the figures presented in the experimental study of the "FedUP: A Pay-as-you-go Federated SPARQL Query Engine Powered by Random Walks" paper. The data comes from the <a href="https://github.com/dice-group/LargeRDFBench">LargeRDFBench</a> and <a href="https://github.com/MaastrichtU-IDS/federatedQueryKG/blob/main/usecaseFedShop.md">FedShop</a> benchmarks. Datasets have been cleaned to be ingested in tested federated query engines. More details are available in the paper and the <a href="https://github.com/GDD-Nantes/FedUP-experiments">GitHub repository</a>.</p> <p><strong>queries.tar.gz: </strong>LargeRDFBench and FedShop queries.</p> <p><strong>datasets.tar.gz: </strong>Cleaned LargeRDFBench and FedShop datasets.</p> <p><strong>summaries.tar.gz: </strong>Pre-built summaries for tested federated query engines such as <a href="https://2014.eswc-conferences.org/sites/default/files/papers/paper_50.pdf">HiBiSCuS</a> and <a href="https://svn.aksw.org/papers/2018/SEMANTICS_CostFed/public.pdf">CostFed</a>. </p>
Systematic comparison of Mendelian randomization studies and randomized controlled trials using electronic databases
<p><strong>Supplementary Dataset 1. </strong>Select ClinicalTrials.Gov data fields for the RCT studies identified as the<br> <em>main </em>dataset.<br> <strong>Supplementary Dataset 2.</strong> Select ClinicalTrials.Gov data fields for the RCT studies identified as the<br> <em>literature </em>dataset.<br> <strong>Supplementary Dataset 3.</strong> Comparison of frequency of RCT general features between the <em>Main</em><br> dataset and background of all RCTs available in ClinicalTrials.Gov.</p> <p><strong>Supplementary Dataset 4. </strong>PubMed and SemMedDB data for published MR and RCT studies.<br> <strong>Supplementary Dataset 5. </strong>Case series of MR and RCT studies with matching exposures<br> (interventions) and outcomes (conditions).</p>
Random Similarity Isolation Forest - precalculated distances matrices
<p>Precalculated distance matrices for Random Similarity Isolation Forest algorithm.</p>
Detecting Chirality-Induced Spin Selectivity in Randomly Oriented Radical Pairs Photogenerated by Hole Transfer. Open data set
<p>Data supporting the original figures 2 through 7 of the related publication.</p>
A Prospective Randomized Trial of Static-Progressive Versus Dynamic Splinting for Post-Traumatic Elbow Stiffness
ClinicalTrials.gov study NCT01241916. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Efficacy of Preoperative Diclofenac Potassium- Acetaminophen Combination on Anesthetic Success in Patients With Symptomatic Irreversible Pulpitis: a Randomized Controlled Trial
ClinicalTrials.gov study NCT04593160. IPD Sharing: Not stated. Countries: 0. Publications: 3.
Effectiveness of Stromal Vascular Fraction (SVF) and Platelet -Rich Plasma (PRP) in Patients With Knee Osteoarthritis: Study Protocol for a Phase III, Prospective, Randomized, Controlled Multi-center
ClinicalTrials.gov study NCT05660824. IPD Sharing: NO. Countries: 0. Publications: 110.
A Single-Blind Randomized Controlled Study Comparing the Efficacy of High-Intensity Laser Therapy and Focused Extracorporeal Shock Wave Therapy in Patients With Plantar Fasciitis
ClinicalTrials.gov study NCT07287046. IPD Sharing: NO. Countries: 0. Publications: 26.
Prospective, Randomized Trial of Basiliximab (Simulect) in the Prophylaxis of High-Risk Keratoplasty Patients
ClinicalTrials.gov study NCT00409656. IPD Sharing: Not stated. Countries: 0. Publications: 1.
Randomized Contralateral Clinical Trial With Single-piece (SN60WF) vs. Three Piece (MA60AC) AcrySof Intraocular Lenses (IOLs) on Development of Posterior Chamber Opacification (PCO).
ClinicalTrials.gov study NCT00758745. IPD Sharing: Not stated. Countries: 1. Publications: 0.
ScienceDex guides
Understand access before you commit
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.