• Fallacy of data-selective inference in modelling networks. (warwick.ac.uk)
  • While survey research employs a deductive, quantitative methodology and relies on a relatively large random sample to achieve statistical inference, cognitive testing employs an inductive, qualitative methodology and, consequently, draws upon a relatively small sample. (cdc.gov)
  • Statistical inference methods are often used to study network formation. (lazerlab.net)
  • Ideally, statistical inference allows the researcher to study the significance of specific factors to the network formation. (lazerlab.net)
  • In this study, we outline the theories of three marginal models, i.e., generalized estimating equations (GEE), quadratic inference functions (QIF), and generalized method of moments. (cdc.gov)
  • Bloomsburg University's data science major equips you to draw conclusions from data, using knowledge of statistical inference, computational technology, data management skills and related theories. (bloomu.edu)
  • explain the concepts of independence, probability, distribution, expectation, and variance, · calculate the probability of an event, and the expectation and variance from a given distribution, · describe fundamental techniques for statistical inference and be able to use them on basic statistical models, · explain the purpose and principles of design of experiments. (lu.se)
  • inference for Gaussian Markov random fields. (lu.se)
  • Interpretation of quality control data involves both graphical and statistical methods. (wikipedia.org)
  • The formulation of Westgard rules were based on statistical methods. (wikipedia.org)
  • Methods Two reviewers independently extracted relevant data and assessed the risk of bias of trials using the Cochrane risk of bias tool. (bmj.com)
  • Methods and analysis This was a randomised controlled study of 96 patients with a 6-month follow-up comparing one eye surgery by FLACS and the contralateral eye operated by CPS (divide and conquer technique). (bmj.com)
  • An illustration of using statistical methods in experimental studies of algorithm behavior. (cuni.cz)
  • Sampling methods and simulation of data sets for experiments with algorithms. (cuni.cz)
  • A survey of statistical methods for working with experimental data: A random sample from normal distribution, parameter estimates and tests of hypotheses about parameters, methods for determination of the necessary sample size. (cuni.cz)
  • Obtaining data for experiments with algorithms, random generators, methods for sampling from existing collections. (cuni.cz)
  • Initially the subject introduces common study designs, random sampling and randomised trials as well as numerical and visual methods of summarising data. (edu.au)
  • The statistical methods will be implemented using a standard statistical computing package and illustrated on applications from the health sciences. (edu.au)
  • understand a range of standard statistical methods which can be applied to biomedical sciences. (edu.au)
  • I take the purpose of having a shared evidential framework, then, to be guiding productive, intersubjectively reliable research on living fossils when so little about their defining features and proper methods of study are settled as common knowledge. (frontiersin.org)
  • This report will first outline the QDRL research objectives and methods used for collecting and analyzing interview data. (cdc.gov)
  • Migration studies are another significant aspect where serological methods play a crucial role. (anthroholic.com)
  • Serological methods utilized in anthropological studies range from basic blood group typing to sophisticated antigen-antibody reactions. (anthroholic.com)
  • To provide a brief introduction to the methodology of sociopolitical research, to acquaint students with statistical methods and terminology, and to teach them how to implement these methods using R programming language. (hse.ru)
  • METHODS: Data from 16 ongoing cohort studies from Europe were used. (surrey.ac.uk)
  • However, this modeling has a disadvantage that assumes a correctly specified distribution for the random effect, which is practically unknown, and the estimation methods can result in bias and imprecision in finite-sample data even when distributional assumptions are met. (cdc.gov)
  • Several methods have been developed for quantifying phylogenetic signal in univariate traits and for sets of traits treated simultaneously, and the statistical properties of these approaches have been extensively studied. (datadryad.org)
  • However, methods for assessing phylogenetic signal in high-dimensional multivariate traits like shape are less well developed, and their statistical performance is not well characterized. (datadryad.org)
  • The method (Kmult) is found from the equivalency between statistical methods based on covariance matrices and those based on distance matrices. (datadryad.org)
  • The field of data science focuses on learning methods to extract meaning and the hidden truth from data. (bloomu.edu)
  • The emphasis lies on models and methods for analysis of experimental data and measurement errors. (lu.se)
  • The course shall also give a basis for further studies, particularly in design of experiments and methods for multidimensional data (Chemometrics). (lu.se)
  • Healthy People 2000 objective 22.3 targets the development, discussions of the data systems (appendix B) that provide dissemination, and use of collection methods that improve data for the national objectives. (cdc.gov)
  • Rule 702 of the Federal Rules of Evidence does not necessarily require general acceptance, but it does require that the testimony be based upon sufficient facts or data, reliable principles and methods, and that those principles and methods are appropriately applied to the facts of the case. (medscape.com)
  • Heterogeneity between studies was examined by subgroup and random effects meta-regression analyses, considering ptient-related and study-level variables. (dovepress.com)
  • The presentation and interpretation of the results from statistical analyses of typical health research studies will be emphasised. (edu.au)
  • Statistical analyses using software. (ki.se)
  • We review the sampling and results of the radiocarbon dating of the archaeological cloth known as the Shroud of Turin, in the light of recent statistical analyses of both published and raw data. (mdpi.com)
  • Meta-analyses were conducted using random effects models, stratified by intervention type. (bmj.com)
  • Study practical and scientific topics, learning how to carry out analyses of data through the full cycle of the investigative process. (bloomu.edu)
  • Read the accompanying description of the survey, 'The Plan and Operation of the Hispanic Health and Nutrition Examination Survey', DHHS Publication No. (PHS) 85-1321 before conducting analyses of the data on this tape. (cdc.gov)
  • Analyses should not be conducted on data combined from the three portions of the survey (Mexican-American, Cuban-American, Puerto Rican). (cdc.gov)
  • Examine the range and frequency of values of a variable before conducting an analyses of data. (cdc.gov)
  • The notes (in a separate section of this document) may be very important in data analyses. (cdc.gov)
  • The results of surveys, analyses, and studies are made known primarily through publications and the release of computer data tapes. (cdc.gov)
  • The fundamental knowledge is essential to those who, in their professional lives, will not necessarily be involved in statistical analyses on a daily basis, but who, on occasion, will be expected to perform basic statistical tests and present the results to their colleagues. (lu.se)
  • The study consisted of secondary data analyses from the Multiple Indicator Cluster Surveys (MICS) conducted in Togo. (bvsalud.org)
  • CONCLUSIONS: In this study of 16 cohorts, there was no association between air pollution exposure and nonmalignant respiratory mortality. (surrey.ac.uk)
  • Measures of disease frequency and risk, and alternative sources of epidemiological data. (ki.se)
  • We combined data from six prospective epidemiological studies of 30-77-year-old individuals with type 2 diabetes in whom 80 circulating proteins were measured by proximity extension assay. (springer.com)
  • Whether the cases of diseases are scattered randomly or clustered around multiple specific centers is a long-standing question in epidemiological studies [ 2 ]. (springer.com)
  • For this outcome, the meta-regression showed that both presence of hypertension and the inclusion of nonbiased studies explained 28.3% of the heterogeneity among the studies. (dovepress.com)
  • This review aimed to identify and summarize the estimated survival statistics from separate sources in the literature and to explore the extent of between-study heterogeneity in survival estimates. (biomedcentral.com)
  • An exploratory meta-analysis was conducted to describe survival estimates and assess between-study heterogeneity. (biomedcentral.com)
  • A meta-analysis was used to explore the between-study heterogeneity in survival estimates. (biomedcentral.com)
  • In contrast with random effects modeling, which addresses subject-specific means by explicitly modeling subject-to-subject heterogeneity for the regression parameters, marginal modeling provides an alternative to analyzing data with repeated measurements, in which the parameter interpretations are with respect to marginal or population-averaged means. (cdc.gov)
  • Results 169 trials provided data on 21 163 randomised participants. (bmj.com)
  • With this type of method, cognitive research is able to 1) illustrate themes or patterns as well as inconsistencies in participants' interpretations, 2) characterize response problems or difficulties, and 3) indicate potential sources of response error-- information that is beneficial to improving the overall quality of survey questions. (cdc.gov)
  • This paper reports a study designed to observe mobile gambling on a specifically designed app, written and delivered to participants' phones in order to observe their behaviour over a period of several weeks. (karger.com)
  • Informed consent must be obtained from all participants in serological studies. (anthroholic.com)
  • MEASUREMENTS AND MAIN RESULTS: Air pollution exposure was estimated by land use regression models at the baseline residential addresses of study participants and traffic-proximity variables were derived from geographical databases following a standardized procedure within the ESCAPE study. (surrey.ac.uk)
  • The researcher used a pretest–posttest control group design and random assignment of 19 participants to core instruction and 19 participants to core + intervention instruction. (ncsu.edu)
  • In this study, researchers used a multiple baseline across participants design to evaluate the effects of a intervention based on a instructional trajectory of how students come to understand ratios through build-up, emergent unit, and unit strategies on performance on a test of ratio equivalence. (ncsu.edu)
  • Au total, 116 participants ont été recrutés et répartis en trois groupes : les témoins communautaires, les contacts occasionnels (laboratoires et établissements de soins) et les contacts rapprochés (vivant sous le même toit). (who.int)
  • Study participants were interviewed using a questionnaire to obtain their brucellosis history, current symptoms and likely risk factors. (who.int)
  • I also evaluate the statistical performance of hypothesis testing procedures based on Kmult and find that the method displays appropriate Type I error and high statistical power for detecting phylogenetic signal in high-dimensional data. (datadryad.org)
  • This distribution has an important role in modelling lifetime data and hence considerable efforts have been dedicated to testing the hypothesis of extreme value distribuion. (lu.se)
  • However, in the absence of local data regarding the prevalence of trace materials on the general public relative to those involved in an alleged event the application of these models in our courts would remain challenging and hardly compelling. (ojp.gov)
  • Johanna's overall research interests are within veterinary and human epidemiology including investigating health effects of environmental exposures such as air pollution and environmental pollutants, infectious disease epidemiology, disease prevalence and distribution, and validation of data. (surrey.ac.uk)
  • Our objective was to identify the prevalence and predictors of medication discrepancies between pharmacy claims data and the medication list in a primary care EHR. (ajmc.com)
  • The purpose of this study was to evaluate aggregated pharmacy claims available through the EHR of a large primary care network as a source for estimating the prevalence and identifying the predictors of medication discrepancies between claims data and the medication list in the primary care EHR. (ajmc.com)
  • During the latter years of our study period, screening prevalence (regardless of screening method) declined significantly for women in all age groups examined. (cdc.gov)
  • INTERPRETATION: The prevalence, health-related characteristics, and management of arthritis varied substantially across states. (cdc.gov)
  • This study aimed at studying the tends of the prevalence of "zerodose" children from 2000 to 2017 and making predictions for 2030. (bvsalud.org)
  • The study was a systematic review and critical appraisal, with meta-analysis of randomized clinical trials. (dovepress.com)
  • Background We have previously reported, in a systematic review of 181 studies, that restriction of antibiotic use in food-producing animals is associated with a reduction in antibiotic-resistant bacterial isolates. (bmj.com)
  • All studies in the original systematic review that were amenable to meta-analysis were included into this substudy and coded by intervention type. (bmj.com)
  • We report the use of multiplexed super-resolution imaging (Exchange-PAINT) followed by mean-shift clustering and random forest analysis to measure the precise distributions of five receptor tyrosine kinases (RTKs) from the ErbB, IGF-1R and Met families in breast cancer cells. (nature.com)
  • Summary results were obtained through a random effects meta-analysis model. (bmj.com)
  • Cumulative meta-analysis and trial sequential analysis under a random effects model were also performed. (bmj.com)
  • 2021). This package automates initial data analysis and reporting of the results. (warwick.ac.uk)
  • Software systems for statistical data analysis. (cuni.cz)
  • Examples of experimental analysis of the time complexity of algorithms (sorting, graph algorithms, hashing and others), interpretation of results and comparison with theoretical results. (cuni.cz)
  • This subject provides an understanding of the fundamental concepts of probability and statistics required for experimental design and data analysis in the health sciences. (edu.au)
  • Sampling and data analysis. (ki.se)
  • Data analysis ‌using SPSS software was performed. (ac.ir)
  • Nineteen studies with sufficient data on overall survival were included in meta-analysis. (biomedcentral.com)
  • Interpretation of serological data can be complex, requiring careful statistical analysis. (anthroholic.com)
  • The idea of the course is an analysis of both political and economic aspects of Asia through developing inductive research design and thorough qualitative research study. (hse.ru)
  • The data for the study is to be collected and statistical analysis and interpretation of data were be done by using statistical technique 't' test because only two groups are considered one group from deaf/dumb population from various deaf/dumb schools of Chittorgarh Rajasthan and other group from blind section of the various schools of Chittorgarh Rajasthan. (kheljournal.com)
  • The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. (plos.org)
  • Basic statistical tools were used to depict the results of the conducted research like that of Descriptive statistics, frequency distribution, correlation, reliability analysis and regression analysis. (homesciencejournal.com)
  • Marginal analysis of exposure data with repeated measures and non-detects. (cdc.gov)
  • that potential biases arising from variation in detectability between habitats and species needs to be accounted for, and whether analysis of the data without correcting for detectability can be justified. (bto.org)
  • Comparison and analysis of existing multimedia production competencies studies: Implications and next steps. (ncsu.edu)
  • The factorial validity analysis produced four factors, similar to the international reference studies with this scale, which explained 45.56% of the total variance. (bvsalud.org)
  • The course is intended to give the student the basics in mathematical modelling of random variation and an understanding of the principles behind statistical analysis. (lu.se)
  • construct a simple statistical model describing a problem based on a real life situation or on a collected data material, · use a computational program for simulation and interpretation of statistical models, as well as for data analysis, · choose, modify, perform, and interpret a statistical procedure that answers a given statistical problem, · use statistical terms within the field in writing. (lu.se)
  • give account of an statistical analysis in a technical report. (lu.se)
  • The extreme value distribution is widely used in lifetime testing, in the study of size effects on material strengths, the reliability of systems made up of a large number of components, in assessing the level of air pollution and in the flood frequency analysis. (lu.se)
  • Data sources Searches were conducted of Medline, Embase, and the Cochrane Central Register of Controlled Trials (CENTRAL) databases from inception to 11 September 2021. (bmj.com)
  • During the 113 hours of aerial survey effort and 264 hours of boat-based search conducted for the OPAL project, 563 groups of baleen whales have been observed to-date (up to mid-May 2021 to be exact… more data coming soon! (oregonstate.edu)
  • Method: observational, prospective, longitudinal, descriptive and analytical cohort study with symptomatic outpatients, followed for 06 months in two Basic Health Units for COVID-19 care in Teresina-Piauí, Brazil, from November to April 2021 identified by 1:1:1 random sampling. (bvsalud.org)
  • Data from Phase 3.2 of the HPS, covering September 15 to 27, 2021, are discussed in this blog post. (ed.gov)
  • The 2021 Household Pulse Survey, an experimental data product, is an Interagency Federal Statistical Rapid Response Survey to Measure Household Experiences during the coronavirus pandemic, conducted by the U.S. Census Bureau in partnership with 16 other federal agencies and offices. (ed.gov)
  • Seventy-five of the 3513 articles identified of studies conducted during 1999-2021 were eligible. (who.int)
  • Study design: cross-sectional, cohort, case-control and intervention studies. (ki.se)
  • Prospective cohort studies, case/control studies, cross-sectional studies1.2. (hse.ru)
  • A cross-sectional study with multistage random selection was conducted in eight provinces of Mongolia. (who.int)
  • Eligibility criteria for study selection Randomised trials comparing viscosupplementation with placebo or no intervention for knee osteoarthritis treatment. (bmj.com)
  • The Lung Health Study recently showed impressive long-term results with a reduction of all-cause mortality in patients randomised to a smoking cessation intervention 14.5 yrs earlier 6 . (ersjournals.com)
  • The purpose of this study was to examine the effects of a Tier 2 supplemental intervention focused on rational number equivalency concepts and applications on the mathematics performance of third-grade students with and without mathematics difficulties. (ncsu.edu)
  • The most frequently studied intervention type was complete restriction (n=51), followed by restriction of non-therapeutic (n=33) and growth promoter (n=19) indications. (bmj.com)
  • But it's not the same as an observational study because we're taking this issue seriously, that the way a person happens to be given an intervention in the real world is typically not random. (medscape.com)
  • Simulation by the "trim and fill" method, which controlled for selection bias using random effects model, diluted the effect (SMD =0.17 95% CI: −0.13 to 0.48). (dovepress.com)
  • In a simulation study and application examples, we demonstrate that the GEE method works well in terms of estimating the regression parameters, particularly in small sample sizes, while the QIF outperforms in large-sample settings, as parameter estimates are consistent and have relatively smaller mean squared error. (cdc.gov)
  • A case study and simulation studies conducted both confirmed that the proposed method performed better compared to conventional cluster detection procedures, in terms of higher sensitivity. (springer.com)
  • RATIONALE: Prospective cohort studies have shown that chronic exposure to particulate matter and traffic-related air pollution is associated with reduced survival. (surrey.ac.uk)
  • The purpose of this prospective study was to compare 16-channel multidetector row CTA (MDCTA) with DSA in the detection and characterization of intracranial aneurysms. (ajnr.org)
  • This prospective longitudinal study aims to determine patterns and predictors of change in depression and anxiety from adolescence to adulthood in individuals with language impairment (LI). (plos.org)
  • Both fixed effect and random effects models were used to synthesize the results of individual studies. (dovepress.com)
  • In this work we present a case study in which different thresholding techniques yield radically different results that lead to contrastive interpretations. (lazerlab.net)
  • Results of numerous studies have suggested that CTA has high sensitivity and specificity for the detection of intracranial aneurysms. (ajnr.org)
  • On the basis of analyzed data the results of the research showed that rather autocratic and democratic leadership styles were identified as two major and basic leadership styles for the principals in the territory of Faisalabad. (homesciencejournal.com)
  • Results A total of 127 studies were included. (bmj.com)
  • In order to collect data by field method, interviews with experts, accountants and auditors were conducted using a questionnaire. (ac.ir)
  • 3 In 2003, Zhao and et all published experimental data demonstrating a considerable reduction of infarct size by a reperfusion procedure termed ischemic postconditioning (IPost), consisting of brief, repetitive cycles of reperfusion and reocclusion, followed by sustained reperfusion. (dovepress.com)
  • Individual students' project: the experimental study of some algorithm. (cuni.cz)
  • Individual elaboration of an experimental study of behavior of some algorithm (depending on the student's own choice). (cuni.cz)
  • NOTE: Data in this figure are considered experimental and do not meet NCES standards for response rates. (ed.gov)
  • While there are some formulae and computational elements to the course, the emphasis is on interpretation and concepts. (edu.pk)
  • This was a cluster randomized controlled trial (CRT) blended with qualitative and quantitative data collection approaches. (afribary.com)
  • Observational studies in women diagnosed with early and locally advanced breast cancer reporting overall survival by NPI category were identified using a systematic literature search. (biomedcentral.com)
  • This study aimed to identify and describe all published observational studies reporting NPI-category-specific overall survival following a diagnosis of early and/or locally advanced breast cancer. (biomedcentral.com)
  • Some people will say, "Oh, that's just an observational study. (medscape.com)
  • The opposite of that is what we think of as a straightforward observational study, in which you look at people who take that drug in the real world, and you compare them with people who take the other drug. (medscape.com)
  • That's why observational studies are not often relied upon by the US Food and Drug Administration. (medscape.com)
  • It's observational in the sense that we are looking back at data that already exist. (medscape.com)
  • The control chart, also known as the Shewhart chart or process-behavior chart, is a statistical tool intended to assess the nature of variation in a process and to facilitate forecasting and management. (wikipedia.org)
  • trace examiners, academics, and the legal community are starting to have open debates on the use of more overarching interpretation approaches, beyond the source level. (ojp.gov)
  • The purpose of this document is to explain the approaches used to ensure that, in each of these circumstances, the data are of a high standard, both in terms of sampling and their collection in the field, that they meet the objectives of the scheme concerned in the most effective way, and that there is a clear understanding of the strengths and limitations of each survey. (bto.org)
  • We proposed a new statistical framework that simultaneously detects and evaluates multiple disease clusters in a large study space, with high detection power compared to conventional approaches. (springer.com)
  • Westgard rules are commonly used to analyse data in Shewhart control charts. (wikipedia.org)
  • The NPI can be used to provide prognostic information by assigning individuals into prognostic categories and then applying the survival estimates from a previous cohort study [ 11 ]. (biomedcentral.com)
  • Retrospective cohort study. (ajmc.com)
  • We conducted a retrospective cohort study of patients prescribed a new antihypertensive in a large primary care practice network between January 2011 and September 2012. (ajmc.com)
  • 6] N.R. Crick, D. Murray-Close and K. Woods, Borderline personality features in childhood: A short-term longitudinal study, Dev. (ac.ir)
  • Again, unlike survey research, the primary objective of cognitive testing is not to generate statistical data that is generalizable to an entire population. (cdc.gov)
  • Rather, the objective is to provide an in-depth exploration of particular concepts, processes and/or patterns of interpretation. (cdc.gov)
  • The main objective of present conducted research study was to find out the prevalent leadership styles of principals in the schools of district Faisalabad furthermore, to find relationship of leadership styles with qualifications, gender and experience of the principals. (homesciencejournal.com)
  • The broad objective of the study is to ascertain the effects of politics on poverty reduction in Nigeria with specific focus on Ebonyi State Community Poverty Reduction Agency (EB-CPRA). (projects.ng)
  • Develop and disseminate among Federal, State, and Table 1 is a data comparability worktable with objective local agencies procedures for collecting comparable data definitions, data sources and issues. (cdc.gov)
  • This table presents the for each of the year 2000 national health objectives and short text of each objective, the measure, the operational incorporate these into Public Health Service data definition (numerator and denominator where applicable), collection systems. (cdc.gov)
  • Achieving this objective entails determining and The data issues for each objective are discussed in greater defining the information needed to measure progress toward detail below. (cdc.gov)
  • Objective: To study the link between coronavirus disease 2019 (COVID-19) vaccination status and adherence to public health and social measures in Members of the Eastern Mediterranean Region and Algeria. (bvsalud.org)
  • This program is one of only four whose evaluation has successfully documented declines in teenage pregnancy using a random-assignment design. (nih.gov)
  • The study was based on descriptive research survey design. (projects.ng)
  • A key requirement is that survey design should minimise biases within the data, so as not to undermine the scientific objectives of the scheme. (bto.org)
  • Statistical Package for Social Science (SPSS) was used to analyze the data. (afribary.com)
  • SPSS 20 version was used for data entry and interpretations. (homesciencejournal.com)
  • There have been many statistical tests widely used [ 3 ] for identifying meaningful spatial clusters. (springer.com)
  • Publication bias, or "small-study effect", was evaluated. (dovepress.com)
  • Unfortunately, selection bias (small-study effect) was present. (dovepress.com)
  • http://dx.doi.org/10.1098/rsfs.2018.0040 an analogy to the concept of entropy in statistical mechanics. (lu.se)
  • Entropy in statistical mechanics is a measure of disorder in oy the macrostate of a system. (lu.se)
  • BU's Department of Mathematical and Digital Sciences is ready to help you become a data scientist. (bloomu.edu)
  • The course fills two purposes, providing a fundamental knowledge of mathematical statistics, as well as giving a foundation for further studies. (lu.se)
  • This study was conducted by using empirical research and Cluster cum Simple random sampling method has been adopted for a sample size of 100 respondents using mobile banking services in ICICI bank Limited. (scirp.org)
  • This paper reports the first empirical study of mobile gambling in which a simulated gambling app was used to measure gambling behaviour in phases of acquisition and extinction. (karger.com)
  • The main focus of her PhD project was evaluation of the quality of information in two large equine data bases including health data and then to use these sources to describe disease incidence and proportional morbidity in horses in Sweden. (surrey.ac.uk)
  • The intention is not to describe individual surveys, details of which are available on the BTO's website www.bto.org, but to outline the principles by which the BTO operates its gathering of data through volunteer networks. (bto.org)
  • In this article, I describe a generalization of the K statistic of Blomberg et al. (datadryad.org)
  • We aimed to summarize the evidence from randomized clinical trials studies examining the efficacy of ischemic postconditioning (IPost) in ST-elevation myocardial infarction. (dovepress.com)
  • Evidence from this study suggests no cardioprotection from IPost, on surrogate and the majority of clinical end points. (dovepress.com)
  • 4 An infarct-reducing effect of IPost was confirmed in several animal models, 3 and subsequently, in small-sized "proof of concept" clinical studies, reduction of infarct size by IPost was reported. (dovepress.com)
  • The substantial differences between studies in the relationship between NPI categories and survival at 5 and 10 years poses challenges for use of this prognostic score in both clinical settings and in decision-analytic model-based economic evaluations. (biomedcentral.com)
  • Johanna is co-supervising one PhD student studying air pollution effects and one investigating sub-clinical viral infections in racing trotters including gamma herpes virus. (surrey.ac.uk)
  • Another 9 patients who did not undergo DSA because of rapid clinical deterioration were also excluded from our study. (ajnr.org)
  • [ 9 ] These filters allow readers to choose not only the clinical study topic but also whether the interest is in etiology, diagnosis, therapy, prognosis, or clinical prediction. (medscape.com)
  • The degree programme requires that a dissertation/mini-dissertation/research article must be submitted in a field of study chosen from the fields covered for the honours degree, provided that the Dean may, on the recommendation of the head of department concerned, approve the replacement of the required dissertation by the successful completion of a prescribed number of module credits and a mini-dissertation/research article. (up.ac.za)
  • The principal investigators and collaborators have played critical leading roles in trace evidence research and statistical interpretation. (ojp.gov)
  • currently research has focused on self-report data [ 4, 5 ] or on markers of harm that are contrived or inappropriately translated from other addictions [ 6 ]. (karger.com)
  • A*AA preferably including mathematics and excluding general studies, leisure studies, and global perspectives and research (A*ABB for those taking four full A levels and completing them in the same year). (nottingham.ac.uk)
  • This report was prepared by Eastern Research Group, Inc. (ERG), a contractor to the Agency for Toxic Substances and Disease Registry (ATSDR), as a general record of discussion for the expert panel review meeting on the Vieques Heart Study. (cdc.gov)
  • This document contains details required to guide programmers, statistical analysts, and research scientists in the use of a Public Use Data Tape. (cdc.gov)
  • In particular, this article assists the reader in critically evaluating research studies and in identifying their limitations. (medscape.com)
  • The outcomes of this study enhance the knowledge on the performance of ICICI bank as well as customer satisfaction, which are invaluable to all the bank managers and industry players in improving their services. (scirp.org)
  • The use of linear mixed effects models incorporating maximum likelihood method for repeated measures data with non-detects has been discussed to model log-normal exposure outcomes. (cdc.gov)
  • The study population consisted of children aged 12-23 months surveyed during MICS2 in 2000, MICS3 in 2006, MICS4 in 2010 and MICS6 in 2017. (bvsalud.org)
  • Whether the statistical significance information of each cluster is available, however, depends on the technique employed [ 5 ]. (springer.com)
  • In contrast, the other techniques that provide the statistical significance information, on which the present study focus, are called cluster detection tests (CDTs), including those proposed by Besag and Newell [ 4 ], Turnbull et al. (springer.com)
  • As a general rule, sample definitions are based upon the content of the survey and the purpose and objectives of the particular study. (cdc.gov)
  • OBJECTIVES: We have investigated the relationship of long-term exposure to air pollution and nonmalignant respiratory mortality in 16 cohorts with individual level data within the multicenter European Study of Cohorts for Air Pollution Effects (ESCAPE). (surrey.ac.uk)
  • The data are gathered using carefully designed protocols within various schemes and enquiries, each of which has a different purpose, methodology and set of objectives. (bto.org)
  • When appropriate, the text comparability among data collected by all levels of of questionnaire items used to measure the objectives is also government. (cdc.gov)
  • Acoustic data were collected at 36 sampling locations during two time intervals in and around Puri. (researchgate.net)
  • Finally, after determining the sampling distributions of some common statistics, confidence intervals will be used to estimate these population characteristics and statistical tests of hypotheses will be developed. (edu.au)
  • In order to determine the sample size ‌, a stratified random sampling method ‌has been used. (ac.ir)
  • Simple random sampling was applied. (afribary.com)
  • The subjects were selected by using simple random sampling method. (kheljournal.com)
  • By simple random sampling (150) principals (105) were taken from the private and public schools. (homesciencejournal.com)
  • In the field survey, copies of structured questionnaire were distributed to a sample size of 370 respondents through stratified and simple random sampling techniques. (projects.ng)
  • Random sampling is straightforward where regular units such as 1-km grid squares are used. (bto.org)
  • In such cases the BTO endeavours to adopt sampling regimes that sample across a wide range of variation and that avoid skewing data towards particular conditions. (bto.org)
  • This study sought to overcome methodological problems (e.g., sampling frame, lack of blinding) in the earlier pilot study. (cdc.gov)
  • This proposal is anticipated to provide fundamental data to overcome upcoming challenges in the forensic assessment of glass and paint evidence in our criminal justice system, assisting practitioners and the trier of fact to make informed decisions. (ojp.gov)
  • Moreover, this study will provide the knowledge base needed to fully utilize trace evidence to its authentic potential, including activity-related investigative and reconstruction leads, rather than restricting its value to source inferences. (ojp.gov)
  • We excluded studies with smokers without evidence of COPD. (ersjournals.com)
  • The purpose of this study was to examine if the lower energy use in FLACS caused less endothelial cell loss compared with CPS and if there was a difference in refractive predictability between CPS and FLACS. (bmj.com)
  • It is important to note that the purpose of cognitive interviewing is not to obtain survey data generalizable to a larger population, but rather to examine question response processes and to characterize potential response problems. (cdc.gov)
  • To better understand recent trends in cervical cancer screening, including cytology (Papanicolaou, or Pap, tests) and human papillomavirus co-tests (HPV+Pap test), we used healthcare claims data to examine screening practices and trends. (cdc.gov)
  • The ABO and Rh system are the most commonly studied. (anthroholic.com)
  • Exposure data with repeated measures from occupational studies are commonly right-skewed and in the presence of detection limits. (cdc.gov)
  • We used gradient-boosted machine learning and lasso regularised Cox regression in a random 75% training subsample to assess whether adding proteins to risk factors included in the Swedish National Diabetes Register risk model would improve the prediction of MACE in the separate 25% test subsample. (springer.com)
  • Control charts are a statistical approach to the study of manufacturing process variation for the purpose of improving the economic effectiveness of the process. (wikipedia.org)
  • By contrast, estimates of phylogenetic signal found with a squared-change parsimony procedure for multivariate data change with increasing trait variation among species and with increasing numbers of trait dimensions, confounding biological interpretations. (datadryad.org)
  • To this end, I formulate a view of the living fossil concept as an investigative kind, and compare two theoretical frameworks as a basis for shared evidential norms: the Zero Force Evolutionary Law framework, introduced by Daniel McShea and Robert Brandon, and the statistical model selection framework first developed by Gene Hunt in the 2000s. (frontiersin.org)
  • One popular framework is known as Exponential Random Graph Models (ERGM) which provides principled and statistically sound interpretation of an observed network structure. (lazerlab.net)
  • Scholars@Duke publication: Sample size calculations for evaluating a diagnostic test when the gold standard is missing at random. (duke.edu)
  • Due to its small sample, it is impossible for any cognitive testing study to achieve complete inclusivity, that is, not all social and demographic groups are represented in each sample. (cdc.gov)
  • It should also be noted that, because our sample is not representative of the survey's larger population of potential respondents, we do not purport to have identified all sources of error or all patterns of interpretation that may incur in the fielded survey. (cdc.gov)
  • Random Sample 2.3. (hse.ru)
  • A sparse model of 20 added proteins achieved a C statistic of 0.747 (95% CI 0.653, 0.842) in the test sample. (springer.com)
  • and random sample and other study types. (edu.pk)
  • Appropriate stratification is used so that the sample data are representative of the region / environment being studied. (bto.org)
  • Publication of this Statistical Note would not have been possible without the contributions of several Centers for Disease Control and Prevention staff members, to whom we are very grateful. (cdc.gov)
  • Understanding the factors of network formation is a fundamental aspect in the study of social dynamics. (lazerlab.net)
  • Correlation is readily detected through statistical measurements of the Pearson's correlation coefficient , which indicates how tightly locked together the two quantities are, ranging from -1 (perfectly negatively correlated) through 0 (not at all correlated) and up to 1 (perfectly positively correlated). (theconversation.com)
  • Dimension reduction for covariates in network data. (warwick.ac.uk)
  • Qualitative data was analyzed through a process of data reduction, organization, and interpretation. (afribary.com)
  • This study titled "Politics of Poverty Reduction in Nigeria" A study of the activities of Ebonyi State Community Poverty Reduction Agency" (EB-CPRA) in Abakaliki LGA was carried out. (projects.ng)
  • A suite of code for covariance modelling in longitudinal data, including an implementation of the method in Zhang, Leng, and Tang (JRSSB, 2015), can be found here . (warwick.ac.uk)
  • Statistical properties of Kmult were consistent for simulations using bifurcating and random phylogenies, for simulations using different numbers of species, for simulations that varied the number of trait dimensions, and for different underlying models of trait covariance structure. (datadryad.org)
  • For the present study data pertaining to various physical variables were be collected through the administration of various tests. (kheljournal.com)
  • The techniques that do not determine any statistical significance are called global clustering tests, techniques developed by Moran [ 6 ], Whitemore et al. (springer.com)
  • Our findings will provide a first step toward identifying the potential benefit of using aggregated claims data as a platform for improving the efficiency and quality of medication reconciliation in primary care. (ajmc.com)
  • In January 2001, a pilot study comparing the echocardiograms of residents of Vieques and Ponce, Puerto Rico reported substantial valvular abnormalities and pericardial thickening in a large proportion of Vieques residents - findings not seen among Ponce residents. (cdc.gov)
  • Findings from this study provide useful information for policymaking regarding interventions to prevent or minimize violence against healthcare workers in the Eastern Mediterranean Region and Türkiye. (who.int)
  • 2011b or it is 'the study of the soundscape's influence on the physical reactions or behavioural characteristics of the system's living things' (Gage and Axel 2014;Truax 1999). (researchgate.net)
  • The random effects model pooled estimate for the outcome infarct size assessed by cardiac magnetic resonance was estimated by the standardized mean difference (SMD) =−0.06, 95% confidence interval (CI): −0.34 to 0.21, ie, no effect of IPost. (dovepress.com)
  • This study delves into specific impacts of mercury on fish, ranging from bone deformities to liver damage, developmental anomalies, neurotoxic effects, and disruptions in reproductive systems. (preprints.org)
  • However, the effects on nonmalignant respiratory mortality are less studied, and the data reported are less consistent. (surrey.ac.uk)
  • The method of data collection is library ‌and field. (ac.ir)
  • County-level estimates were calculated using a validated statistical modeling method. (cdc.gov)