Search results for "data quality"

showing 6 items of 96 documents

Humanities and Social Sciences. Latvia: Vol. 26, N 2 (Autumn-Winter 2018)  

2018

health care sector - LatviaData Quality Assessment:HUMANITIES and RELIGION [Research Subject Categories]digital marketingNord StreamEconomic Relations - Latvia and Germany (1933–1940):SOCIAL SCIENCES [Research Subject Categories]risk management - Latviadue diligence
researchProduct

Monitoring and data quality assessment of the ATLAS liquid argon calorimeter

2014

The liquid argon calorimeter is a key component of the ATLAS detector installed at the CERN Large Hadron Collider. The primary purpose of this calorimeter is the measurement of electron and photon kinematic properties. It also provides a crucial input for measuring jets and missing transverse momentum. An advanced data monitoring procedure was designed to quickly identify issues that would affect detector performance and ensure that only the best quality data are used for physics analysis. This article presents the validation procedure developed during the 2011 and 2012 LHC data-taking periods, in which more than 98% of the proton-proton luminosity recorded by ATLAS at a centre-of-mass ener…

interaction [p nucleus]data acquisitionPhysics::Instrumentation and DetectorsCiencias FísicasNuclear engineeringinteraction [p p]7. Clean energy01 natural sciencesHigh Energy Physics - Experiment//purl.org/becyt/ford/1 [https]High Energy Physics - Experiment (hep-ex)Particle identification methodsData acquisitionParticle Identification Methodsperformance [monitoring]Naturvetenskap[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]InstrumentationQCMathematical PhysicsPhysicsLarge Hadron ColliderLuminosity (scattering theory)Settore FIS/01 - Fisica SperimentaleDetectorATLASCalorimeterCERN LHC Collmedicine.anatomical_structurePhysical SciencesComputingMethodologies_DOCUMENTANDTEXTPROCESSINGLHCNatural SciencesCIENCIAS NATURALES Y EXACTASParticle Physics - ExperimentnoiseCiências Naturais::Ciências Físicas530 Physics:Ciências Físicas [Ciências Naturais]FOS: Physical sciencesCalorimeters; Large detector systems for particle and astroparticle physics; Particle identification methods; Instrumentation; Mathematical Physics530Nuclear physicsParticle identification methodCalorimetersParticle identification methods; Calorimeters; Large detector systems for particle and astroparticle physicsscattering [heavy ion]Atlas (anatomy)0103 physical sciencesCalibrationmedicineFysikHigh Energy Physicsddc:610010306 general physicsCalorimeters; Large detector systems for particle and astroparticle physics; Particle identification methodsCiencias ExactasCalorimeterleadScience & TechnologyLarge detector systems for particle and astroparticle physics010308 nuclear & particles physicsFísica//purl.org/becyt/ford/1.3 [https]calibrationAstronomíamissing-energy [transverse momentum]Data qualityExperimental High Energy PhysicsLarge detector systems for particle and astroparticle physicPhysics::Accelerator PhysicsHigh Energy Physics::ExperimentLarge Detector Systems for Particle and Astroparticle Physicsliquid argon [calorimeter]
researchProduct

Saslimstība ar kuņģa un kolorektālo vēzi Latvijā un vēža slimnieku uzskaites sistēmas ticamības un kvalitātes analīze

2013

Promocijas darba anotācija Saslimstība ar kuņģa un kolorektālo vēzi Latvijā un vēža slimnieku uzskaites sistēmas ticamības un kvalitātes analīze Promocijas darbā ir veikta saslimstības ar kuņģa un kolorektālo vēzi Latvijā analīze un vēža slimnieku uzskaites sistēmas kvalitātes noteikšana. Pētījumā tika analizēta 1980.-2010.gadā reģistrā iesniegtā informācija par pacientiem, kuri slimo ar onkoloģiskām slimībām, iesniegto datu apjoms un to kvalitāte, datu atbilstība statistisko aprēķinu un epidemioloģisko pētījumu veikšanai, un notikušo pārmaiņu ietekme uz pacientu uzskaiti. Iegūtie epidemioloģiskie rādītāji tika salīdzināti ar starptautiskās publikācijās un datubāzēs pieejamo informāciju. Pa…

kolorektālais vēziscancer registry - data qualitygastric cancerkuņģa vēzisHealth carecolorectal cancervēža reģistrs - datu kvalitāteMedicīna un farmācijaVeselības aprūpeMedicīna
researchProduct

Data-driven discovery of changes in clinical code usage over time: a case-study on changes in cardiovascular disease recording in two English electro…

2020

[EN] Objectives To demonstrate how data-driven variability methods can be used to identify changes in disease recording in two English electronic health records databases between 2001 and 2015. Design Repeated cross-sectional analysis that applied data-driven temporal variability methods to assess month-by-month changes in routinely collected medical data. A measure of difference between months was calculated based on joint distributions of age, gender, socioeconomic status and recorded cardiovascular diseases. Distances between months were used to identify temporal trends in data recording. Setting 400 English primary care practices from the Clinical Practice Research Datalink (CPRD GOLD) …

medicine.medical_specialtyDatabases Factualstatistics & research methodsLibrary scienceHealth InformaticsDiseaseHealth records030204 cardiovascular system & hematologycomputer.software_genreAngina03 medical and health sciencesWelsh0302 clinical medicinecardiovascular diseaseHumans1702data qualityMedicine1506Myocardial infarction030212 general & internal medicineMedical diagnosisOriginal ResearchData collectionDatabasebusiness.industryPublic healthRClinical CodingGeneral Medicinemedicine.diseaseMedical researchNASA Chief Scientistlanguage.human_language3. Good healthSocial researchCross-Sectional Studieselectronic health recordsCardiovascular DiseasesFISICA APLICADAConcomitantHeart failureData qualitylanguageMedicinebusinesscomputerCareer developmentBMJ Open
researchProduct

EEG Data Quality: Determinants and Impact in a Multicenter Study of Children, Adolescents, and Adults with Attention-Deficit/Hyperactivity Disorder (…

2021

Electroencephalography (EEG) represents a widely established method for assessing altered and typically developing brain function. However, systematic studies on EEG data quality, its correlates, and consequences are scarce. To address this research gap, the current study focused on the percentage of artifact-free segments after standard EEG pre-processing as a data quality index. We analyzed participant-related and methodological influences, and validity by replicating landmark EEG effects. Further, effects of data quality on spectral power analyses beyond participant-related characteristics were explored. EEG data from a multicenter ADHD-cohort (age range 6 to 45 years), and a non-ADHD sc…

medicine.medical_specialtymedia_common.quotation_subjectMedizin610artifactsElectroencephalographyAudiologyArticle050105 experimental psychologylcsh:RC321-571electroencephalography (EEG); data quality; attention-deficit/hyperactivity disorder (ADHD); artifacts; multicenter study03 medical and health sciences0302 clinical medicineContinuous performance taskmedicinedata qualityAttention deficit hyperactivity disorder0501 psychology and cognitive sciencesQuality (business)electroencephalography (EEG)ddc:610lcsh:Neurosciences. Biological psychiatry. Neuropsychiatrymedia_commonCued speechmedicine.diagnostic_testGeneral Neuroscience05 social sciencesattention-deficit/hyperactivity disorder (ADHD)ReplicateStepwise regressionmedicine.diseasemulticenter studyData qualityPsychology030217 neurology & neurosurgeryBrain Sciences
researchProduct

Evaluation of Innovation Statistics Data Quality Dimensions.

2017

Promocijas darbā analizēta praktiskā situācija statistikas par inovācijām vākšanas un apstrādes procesā Latvijā, tiek apskatīta statistikas par inovācijām metodoloģija un tās pielietošanas prakse Latvijā, īpašu uzmanību pievēršot Latvijas inovāciju sistēmas īpatnībām. Pētījumā izstrādātās Latvijas inovāciju vadības un informācijas plūsmas sistēmas ietvaros tiek pamatots informatīvā atbalsta nozīmīgums lēmumu pieņemšanā. Balstoties uz Datu kvalitātes dimensiju novērtēšanas metodiku, veikts inovāciju statistikas datu kvalitātes novērtējums Latvijā. Ir izstrādāta un aprobēta Iteratīvā metode neraksturīgo punktu ietekmes mazināšanai. Pētījuma ietvaros tiek aplūkoti statistikas par inovācijām kv…

neraksturīgie punktistatistikas datu vākšanas un apstrādes metodoloģijaquality of statistical dataquality of methodologyEconomicsdatu kvalitātes dimensijasStatisticsEkonomikaStatistikadata quality dimensionsoutlying data pointsstatistikas datu kvalitāte
researchProduct