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9,113 results for “Sampling”
Metrics As Scores Dataset: Elisa Spectrophotometer Positive Samples
<p>The ELISA dataset contains data from a spectrophotometer that determined the optical density of positive control samples, from five different lots, across five different runs. This dataset was introduced by (Schmid 1991).</p> <p>This dataset has the following <strong>Features</strong>:</p> <ul> <li><em>Lot1</em>: The first lot</li> <li><em>Lot2</em>: The second lot</li> <li><em>Lot3</em>: The third lot</li> <li><em>Lot4</em>: The fourth lot</li> <li><em>Lot5</em>: The fifth lot</li> </ul> <p>It has a total of 5 <strong>Groups</strong>: <em>Run1</em>, <em>Run2</em>, <em>Run3</em>, <em>Run4</em>, and <em>Run5</em>.</p>
Diverse Title Generation for Stack Overflow Posts with Multiple Sampling Enhanced Transformer
<p>Dataset for our paper "Diverse Title Generation for Stack Overflow Posts with Multiple Sampling Enhanced Transformer"</p> <p>(<a href="https://github.com/zfj1998/M3NSCT5">zfj1998/M3NSCT5: the code base for our paper "Diverse Title Generation for Stack Overflow Posts with Multiple Sampling Enhanced Transformer" (github.com)</a>)</p> <p>Including three files representing the train/val/test datasets. Each file contains all the collected data covering eight programming languages.</p>
Measurements of savanna landscap fire emission factors for CO2, CO, CH4 and N2O using a UAV-based sampling methodology
<p>This dataset contains direct measurements of biomass burning emission factors for CO<sub>2</sub>, CO, CH<sub>4</sub> and N<sub>2</sub>O. It includes over 4500 EF bag measurements sampled using an unmanned aerial system (UAS), and measured fuel parameters and fire severity proxies during 129 individual fires. The measurements cover a variety of savanna ecosystems in Brazil, Australia, Botswana, Zambia, South-Africa and Mozambique under different seasonal conditions, sampled over the course of six fire seasons between 2017 and 2022. The table in the included word file explains the individual columns in the excell file. </p> <p> </p>
UDAPDR Synthetic Queries Datasets Sample
<p>Sample of synthetic queries datasets for <a href="https://arxiv.org/abs/2303.00807">UDAPDR: Unsupervised Domain Adaptation via LLM Prompting and Distillation of Rerankers</a>.</p>
EMERGE Sample Metadata Sheet for Samples with Microbiomes
<p>The EMERGE Sample Metadata Sheet is a data compilation published by the <a href="https://emerge-bii.github.io/">EMERGE Biology Integration Institute</a>, providing basic (meta)data (including field sample info and biogeochemistry data) for samples with linked metagenomes (metaGs). It was generated by parsing and cleaning up the "Depth-Info" and "Biogeochemistry" query output from the EMERGE Database (EMERGE-DB; <a href="https://emerge-db.asc.ohio-state.edu/">https://emerge-db.asc.ohio-state.edu/</a>). Additional information, including column descriptions, is provided in the accompanying PDF (see list of included files below).</p> <p>FILES:</p> <ul> <li><strong>coring_geochem_sequenced_samples_1.1.0.csv </strong>- The Sample Metadata Sheet.</li> <li><strong>variable_defs_availability_sequenced_samples_public_1.1.0.pdf</strong> - A README / FAQ file with additional information and variable descriptions for the Sample Metadata Sheet.</li> <li><strong>variables_coring_geochem_sequenced_samples_public_1.1.0.csv</strong> - CSV version of the variable descriptions table from the README / FAQ.</li> </ul> <p>FUNDING:<br> This research is a contribution of the EMERGE Biology Integration Institute, funded by the National Science Foundation, Biology Integration Institutes Program, Award # 2022070.<br> We thank the Swedish Polar Research Secretariat and SITES for the support of the work done at the Abisko Scientific Research Station. SITES is supported by the Swedish Research Council's grant 4.3-2021-00164.<br> This study was also funded by the Genomic Science Program of the United States Department of Energy Office of Biological and Environmental Research, grant #s DE-SC0004632, DE-SC0010580, and DE-SC0016440.</p>
GIRT-Data: Sampling GitHub Issue Report Templates
<p><strong>GIRT-Data</strong> is the first and largest dataset of <strong>issue report templates (IRTs)</strong> in both YAML and Markdown format. This dataset and its corresponding open-source crawler tool are intended to support research in this area and to encourage more developers to use IRTs in their repositories. The stable version of the dataset, containing <code>1_084_300</code> repositories, that <code>50_032</code> of them support IRTs.</p> <p>For more details see the GitHub page of the dataset: <a href="https://github.com/kargaranamir/girt-data">https://github.com/kargaranamir/girt-data</a></p> <p><br> The dataset is accepted for <a href="https://conf.researchr.org/track/msr-2023/msr-2023-data-showcase">MSR 2023</a> conference, under the title of "GIRT-Data: Sampling GitHub Issue Report Templates" <a href="https://scholar.google.com/scholar?q=GIRT-Data:+Sampling+GitHub+Issue+Report+Templates">Search in Google Scholar</a>.</p>
AIRSEAL Project - Data sample
<p>The attached files contain test data (main parameters measured during rotating labyrinth seals testing).<br> The .csv data is structured as follows:</p> <p> column1 = Time [s]<br> column2 = Tut [deg C]<br> column3 = PR [non dimentional]<br> column4 = N [rpm]<br> column5 = CLR [mm]<br> column6 = Qma [kg/s]<br> column7 = Swirler_angle [deg]<br> <br> The "11" in file names is related to the first configuration (which has been tested in the project): METCO casing and axial flow (0 deg swirl).<br> The "1" to "30" file indexes are related to test number (stabilized regime: pressure ratio, rotor speed and temperature).</p>
Dataset for "Estimating truncation effects of quantum bosonic systems using sampling algorithms"
<p>Markov Chain Monte Carlo simulation data for the preprint.</p> <p>T010ad***S10000M*_1.txt: simulation history for a_{dig} = 0.3, 0.5, 0.7, m^2 = 1, -1, B_max = 5000, used for Table 1 and Figure 1.</p> <p>T010R100L401S10000M1_1.txt: simulation history for a_{dig} = 0.5, m^2 = 1, B_max = 1, used for Figure 2.</p> <p>Table2.zip: contains simulation history for Table 2 and Figure 3. File name "T1a0.2S1250M1L4s2101.txt" indicates that the temperature is 1, a_{dig} = 0.2, Delta = 1250, m^2 = 1, lattice size is 4 * 4, and the random seed is 2101. Lines contain the expectation values of the potential energy and the two correlation functions obtained for successive steps. The largest estimated auto-correlation length d_q, which is used for the analysis, is as follows:</p> <table align="center"> <tbody> <tr> <td><em>a</em><sub>dig</sub></td> <td><em>d</em><sub>(0,0)</sub></td> <td><em>d</em><sub>(π,π)</sub></td> </tr> <tr> <td>0.2</td> <td>37</td> <td>4</td> </tr> <tr> <td>0.25</td> <td>38</td> <td>4</td> </tr> <tr> <td>0.3</td> <td>37</td> <td>4</td> </tr> <tr> <td>0.4</td> <td>41</td> <td>4</td> </tr> <tr> <td>0.5</td> <td>59</td> <td>5</td> </tr> <tr> <td>0.6</td> <td>130</td> <td>7</td> </tr> <tr> <td>0.7</td> <td>369</td> <td>15</td> </tr> <tr> <td>0.8</td> <td>968</td> <td>55</td> </tr> <tr> <td>0.9</td> <td>2174</td> <td>148</td> </tr> <tr> <td>1.0</td> <td>4491</td> <td>319</td> </tr> </tbody> </table> <p>The initial 10 d_q steps are discarded as a burn-in period, regardless of whether we conducted a warm-up run prior to the steps contained in this dataset.</p>
MEaSUREs blue band total column water vapor sample data for the Ozone Monitoring Instrument
<p>This dataset contains the MEaSUREs OMI Total Column Water Vapor (TCWV) data and their related data used in the paper titled “Development of the MEaSUREs blue band water vapor algorithm – Towards a long-term data record” by Wang et al. (2023). The unzipped archive contains the following three directories. </p> <ol> <li>OMI-H2O-L2/ contains the MEaSUREs Level 2 data (in molecules/cm2) in netCDF4 format for January and July 2005 and 2006. Selected supporting data are also included in each file.</li> <li>OMI-H2O-L3/ contains MRaSUREs Level 3 data (0.25 degree by 0.25 degree, in molecules/cm2) generated using the standard filtering criteria in netCDF4 format for January and July 2005 and 2006. Selected supporting data are also included.</li> <li>Model3_ncresult/ contains netCDF4 formatted files for the MEaSUREs OMI TCWV data (in mm), the AMSR_E TCWV data sampled onto the corresponding OMI pixel locations, and the LightGBM model 3 predictions for the OMI pixels.</li> </ol> <p>The linux command ‘ncdump -h filename’ can be used to examine the contents of netCDF4 files. Due to the current size limit of Zenodo, only a small subset of the MEaSUREs data is archived here. The full dataset will be released elsewhere, e.g., NASA EARTHDATA GES DISC.</p>
Mangrove Crab Sampling Data in Dongzhaigang National Nature Reserve, Haikou, Hainan Province, China
<p>This dataset contains the results of a study on mangrove crabs conducted in four seasons (Summer, SU; Autumn, AU; Winter, WI; Spring, SP) of 2020 and 2021. The samples were collected in the Dongzhaigang National Nature Reserve, Haikou, Hainan Province, China, at five sites: Sanjiang (SJ), Tashi (TS), Shanweitou (SWT), Luodou (LD), and Puqian (PQ). The primary focus is on crab species belonging to the superfamilies Ocypodoidea (ghost crabs), Grapsoidea (square crabs), and Portunoidea (swimming crabs).</p> <p>Sampling was conducted using net trapping, with three replicate plots set up for each habitat type at each site. Each plot was sampled continuously for three days. Vegetation information was recorded using dominant species as representatives, and water environmental information was collected using a WTW instrument. The parameters measured include total dissolved solids (TDS) (mg/L), dissolved oxygen (DO) (mg/L), salinity (SAL) (‰), water temperature (T) (℃), and pH. Finally, the longitude and latitude in the WGS84 coordinate system and Cartesian coordinates for each plot were recorded.</p> <p>The dataset fields are as follows:</p> <ul> <li>date: Date of sampling</li> <li>year: Year of sampling</li> <li>month: Month of sampling</li> <li>day: Day of sampling</li> <li>site: Sampling location, including TS, SJ, SWT, LD, PQ</li> <li>habitat: Habitat type, including tidal channels, tidal flats, and several vegetation types represented by mangrove trees such as Avicennia marina, Rhizophora stylosa, Bruguiera sexangular, Sonneratia apetala, and Ceriops tagal.</li> <li>plotname: Plot name</li> <li>species: Species name, as per the World Register of Marine Species (<a href="https://www.marinespecies.org/">https://www.marinespecies.org</a>)</li> <li>superfamily: Superfamily, as per the World Register of Marine Species (<a href="https://www.marinespecies.org/">https://www.marinespecies.org</a>)</li> <li>season: Season, including Summer (SU), Autumn (AU), Winter (WI), and Spring (SP)</li> <li>cname: Plot division by season, site, and habitat</li> <li>fullname: Plot division by season, site, habitat, and plot sequence number</li> <li>pname: Plot division by site, habitat, and plot sequence number</li> <li>TDS: Water total dissolved solids (mg/L)</li> <li>pH: Water pH</li> <li>DO: Water dissolved oxygen (mg/L)</li> <li>T: Water temperature (℃)</li> <li>SAL: Water salinity (‰)</li> <li>longitude: Longitude in WGS84 coordinate system</li> <li>latitude: Latitude in WGS84 coordinate system</li> <li>x: Cartesian coordinate x</li> <li>y: Cartesian coordinate y</li> </ul> <p>We thank Chengpu Jiang, Liangjun Wei and other colleagues for their assistance during the field samplings. Thanks also for the experimental conditions and sampling support provided by Hainan Dongzhaigang National Nature Reserve Authority.</p>
Multiplexed histology of COVID-19 post-mortem lung samples - Single-cell Mean Fluorescence Intensities
<p>Data table containing single-cell mean fluorescence intensities (MFI) of all markers analyzed by multiplexed histology in all COVID-19 post-mortem lung samples and non-COVID-related pneumonia controls (14 lung samples, stratified based on disease duration into control, acute, chronic and prolonged). It contains information at the single-cell level about approx 50 proteins in around 40.000 lung cells.</p> <p>Data shown has been arcsin(h) transformed with a co-factor of 0.2. Additionally, cells expressing less than 0.15 MFI of all markers have been labeled as non-defined and excluded from the data set.</p> <p>Seurat package 4.0.0 was used in R to perform mean centering and scaling, followed by PCA, and reduced the dimensions of the data to the top 11 principal components. UMAP was initialized in this PCA space to visualize the data on reduced UMAP dimensions. The cells were clustered on PCA space using the SNN algorithm implemented as <em>FindNeighbors</em> and <em>FindClusters </em>with <em>n.epochs = 500</em> and default parameters (<em>res = 0.8</em>). We obtained 26 clusters that we merged to get relevant populations for our analysis based on canonical lineage markers. We ended up with 8 cell clusters that were manually annotated based on cell-type-specific markers found to be differentially expressed.</p> <p> </p> <p> </p>
Assemblies of 269 Metagenomic Tara Pacific Sequencing Samples - part 2
<p>This data is the result of the metagenomic assembly of 269 sequencing samples reflecting a first subset of the Tara Pacific metagenomes. Assemblies are used in </p> <p>- Preprint: <a href="https://doi.org/10.1101/2022.04.11.487905">Endogenous viral elements reveal associations between a non-retroviral RNA virus and symbiotic dinoflagellate genomes</a></p> <p>- <a href="https://doi.org/10.5281/zenodo.7839794">Part 1</a></p>
Assemblies of 269 Metagenomic Tara Pacific Sequencing Samples - part 1
<p>This data is the result of the metagenomic assembly of 269 sequencing samples reflecting a first subset of the Tara Pacific metagenomes. Assemblies are used in </p> <p>- Preprint: <a href="https://doi.org/10.1101/2022.04.11.487905">Endogenous viral elements reveal associations between a non-retroviral RNA virus and symbiotic dinoflagellate genomes</a></p> <p>- <a href="https://doi.org/10.5281/zenodo.7840044">Part 2</a></p>
16S RC-PCR control samples and mock standards
<p>16S RC-PCR datasets of control samples and mock standards.<br> Produced during the 16S RC-PCR study.</p> <p>Datasets are produced using 2x150 Illumina MiniSeq.<br> A short description of each sample is given in the METADATA_zenodo file.</p>
Microstructure of experimental faults in Pāpaku Fault core samples (IODP site U1518)
<p>Backscattered electron images of experimentally deformed samples from the Pāpaku Fault, Hikurangi Margin, New Zealand (International Ocean Discovery Program, Site U1518). In the experiments, intact mini-cores extracted from drill core samples were deformed in a single-direct shear box at MARUM, University of Bremen. Details of the experiments and the experimental data are available from the Pangea data publisher at: </p> <p>The data set contains original mosaics of whole thin sections, cut parallel to the shear direction and perpendicular to the experimental fault. These are in TIFF format and named SAMPLE#.tif.</p> <p>Annotated images include interpretations of the deformed zone (in red shading) superimposed on images that have been enhanced for better contrast. These are in Adobe Illustrator format and named SAMPLE#_annotated.ai.</p> <p>For image analysis, traces of the inferred deformed zone were extracted and scaled in ImageJ. These traces are available in TIFF format and named SAMPLE#_dz_trace.tif. Our measurements based on these traces are tabulated in Papaku_experiments_microstructure_data.csv.<br> </p>
characterisation of melting test samples from coupon recycling
<p>3 tables with compiled raw data from measurements of chemical composition by spectroscopic methods on casted testing specimens; from coupons melting trials after different cutting strategies. Coated, decoated and uncoated samples tested. Remelting tests data including metal yield are also included.<br> - Table with POST-SCRAP DATA of remelting tests of different cutting strategies (Uncoated coupons):<br> - 0C cutting strategy: Transversal cut for size reduction<br> - 1C cutting strategy: Stringer was separated from the weld seam+skin<br> - 2C cutting strategy: Skin was separated from the weld seam+skin<br> - 3C cutting strategy: Skin and stringer were separated from the weld seam<br> - Table with remelt results of uncoat, decoat and coated samples. Decoated samples with Corumdum blasting<br> - Table of remelt results of full validation tests performed with R1S2 coupon. That means R1 coupon coated with sol-gel coating+ primer+top coat</p>
A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects.
<p><strong>Contents of the dataset</strong></p> <p>The dataset includes the set of urine samples in .mea format, which can be<br> read using the GCIMS R package.</p> <p>It also contains analytical standards in the same format, used for quality<br> control of the equipment and as a retention time alignment reference.</p> <p>If you want to preview the data, you do not need to download the full Urines.zip<br> and AnalyticalStandards.zip files, but rather use the smaller UrinesDemo.zip and<br> AnalyticalStandardsDemo.zip, with a subset of just three samples of the whole<br> dataset.</p> <p>Besides the actual measurements, you will find the annotations.csv and<br> reference_peaks.csv files, with sample annotations and some reference peaks<br> identified in the samples.</p> <p>See further details below.</p> <p><br> <strong>Sample collection</strong></p> <p>Urine samples from 29 subjects were collected at Hospital de Reus. 15 subjects<br> were diagnosed with colorectal cancer, 14 subjects were controls. The study<br> protocol was approved by the Ethics Committee of Hospital de Reus (study<br> approval no. 074/2018).</p> <p>Samples were aliquoted and frozen at -80ºC for storage.</p> <p><strong>Sample preparation</strong><br> </p> <p>Sample preparation improves urine preservation by blocking bacterial growth in<br> the urine, and favours volatile extraction. It also adds an internal standard<br> for verification of instrument variability.</p> <p><em>Stock solution preparation</em></p> <p>Dissolve 11.69 g of NaCl in about 35 mL deionized water and add 6.5 mg sodium<br> azide (NaN3). Once dissolved, add 5.50 mL 5M HCl and mark up to volume with<br> deionized water until the final volume is 50mL. The HCl 5M is used to obtain<br> an acid pH. The pH is controlled with a pH test paper. The final pH level must<br> be 2 or below. The NaCl favors the volatile extraction, and the NaN3 omits<br> the bacterial growth in the urine.</p> <p><em>Internal standard solution preparation</em><br> </p> <p>The 4-flurobenzaldehyde is located in retention time around 200 seconds and<br> can be used as an internal standard.</p> <p>Prepare a methanol stock solution using 100 ml of methanol grade for<br> preparative chromatography and 200 ml of distilled water.</p> <p>Mix 5 mL of 4-fluorobenzaldehyde with 100 mL of the methanol stock solution.</p> <p>Dilute the previous mixture in 400 mL of mili-Q water.</p> <p><br> <em>Sample preparation</em><br> </p> <p>Aliquotes were thawed before analysis. Once thawed, 300uL of the stock solution<br> were added to the urine sample, and 1.5 ml of the acidified urine sample were<br> transferred into a 20ml vial, ensuring only the supernatant of the sample<br> is transferred.</p> <p>Finally, 20 mL of the internal standard solution is added to the sample.</p> <p><strong>GC-IMS Analysis</strong></p> <p>Samples were analyzed with a GC-IMS FlavourSpec® instrument from<br> G.A.S. Dortmund (Dortmund, Germany). Samples were incubated for 15 minutes<br> at 60ºC, the flow rate of the drift gas was set at 200 ml/min, and the carrier<br> gas was set 11 ml/min. Both the drift and carrier gas were Nitrogen 5.0. The GC<br> and IMS temperature were set at 60ºC and the measurement time lasted 33 minutes.</p> <p>Besides the urines, a set of measurements of a ketone mixture was also analyzed<br> at least once per day as an analytical standard control of the equipment. The mixture<br> included 6 ketones (2-butanone, 2-pentanone, 2-hexanone, 2-heptanone,<br> 2-ocatanone and 2-nonanone). This mixture is measured in the same conditions as<br> the urine samples.</p> <p>Samples are provided in the native instrument format (.mea format), that can be<br> read with the GCIMS R package or with the instrument software.</p> <p><strong>Sample annotations</strong></p> <p>The dataset includes a CSV file with sample annotations.</p> <p>The annotations include the following information:</p> <ul> <li>Diagnostic: Either ColorectalCancer or Control</li> <li>Sex: Either Male or Female</li> <li>Sample volume (in ml)</li> <li>Fasting: Whether the sample was collected with the patient in fasting conditions</li> <li>Age in years</li> <li>Weight_kg</li> <li>Height_cm</li> <li>BMI</li> <li>Smoker: TRUE/FALSE, whether the patient smoked</li> <li>Diseases: Whether the patient suffered from ArterialHypertension, CardiacFailure, Cholesterol, Dyslipidemia, Fibromyalgia or Tuberculosis</li> <li>AnalysisDateTime: Date and time of the GC-IMS analysis of the sample</li> </ul> <p><br> <strong>Reference peaks</strong></p> <p>Some peaks were manually annotated to ease the alignment of the samples and explore<br> alignment solutions. While manual peak labelling is not generally required, we<br> attach those reference peaks as well and their locations, in case they are of<br> interest.</p> <p>These reference peaks are found at reference_peaks.csv.</p> <p> </p>
Multiplexed histology of COVID-19 post-mortem lung samples - CHRONIC CASE 3 FOV1
<p><strong>Image-based data set of a post-mortem lung sample from a COVID-19 donor (CHRONIC CASE 3 FOV1)</strong></p> <p>Each image shows the same field of view (FOV), sequentially stained with the depicted fluorescence-labelled antibodies, including surface proteins, intracellular proteins and transcription factors. Images contain 2024 x 2024 pixels and are generated using an inverted wide-field fluorescence microscope with a 20x objective, a lateral resolution of 325 nm and an axial resolution above 5 µm. Images have been normalized and intensities adjusted.</p>
Multiplexed histology of COVID-19 post-mortem lung samples - CHRONIC CASE 3 FOV2
<p><strong>Image-based data set of a post-mortem lung sample from a COVID-19 donor (CHRONIC CASE 3 FOV2)</strong></p> <p>Each image shows the same field of view (FOV), sequentially stained with the depicted fluorescence-labelled antibodies, including surface proteins, intracellular proteins and transcription factors. Images contain 2024 x 2024 pixels and are generated using an inverted wide-field fluorescence microscope with a 20x objective, a lateral resolution of 325 nm and an axial resolution above 5 µm. Images have been normalized and intensities adjusted.</p>
3D meshes of wood samples (KUR project)
<p>The repository contains 3D meshes of 83 wood samples from the LEIZA reference collection documented as part of the project „Mass Finds in Archaeological Collections“ funded by the Federal Cultural Foundation, from 15.04.2008 to 31.12.2011 within the framework of the "Programme for the Conservation and Restoration of Mobile Cultural Property" (KUR, see www.rgzm.de/kur). Each wood sample has two 3D meshes, one before conservation (KUR_3D_Vorzustand.zip) and one after conservation (KUR_3D_Endzustand.zip). A 3D fringe light projector (GOM ATOS III Rev.01) with a resolution of 0.25 mm was used to digitize the samples. Additional information can be found in the stored metafiles (*.json, *.ttl). The acquisition of 3D data was done during July 2009 - August 2014.</p>
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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.