Results 31 to 40 of about 11,013,156 (214)

Calculating the random guess scores of multiple-response and matching test items [PDF]

, 2018
For achievement tests, the guess score is often used as a baseline for the lowest possible grade for score to grade transformations and setting the cut scores.
GA Brown, GJ Cizek, HJM Berkel Van, J Cohen-Schotanus, NE Gronlund, R Hartog, RA Berk, RF Burton, RF Burton, RL Brennan, RL Ebel, S Jordan, Y Attali   +12 more
core   +2 more sources

Imputation scores

The Annals of Applied Statistics, 2023
Given the prevalence of missing data in modern statistical research, a broad range of methods is available for any given imputation task. How does one choose the `best' imputation method in a given application? The standard approach is to select some observations, set their status to missing, and compare prediction accuracy of the methods under ...
Näf, Jeffrey, Spohn, Meta-Lina, Michel, Loris, Meinshausen, Nicolai   +3 more
openaire   +3 more sources

Optimal caliper widths for propensity-score matching when estimating differences in means and differences in proportions in observational studies

Pharmaceutical statistics, 2010
In a study comparing the effects of two treatments, the propensity score is the probability of assignment to one treatment conditional on a subject's measured baseline covariates.
Peter C Austin
semanticscholar   +1 more source

Medical Image Fusion for Brain Tumor Diagnosis Using Effective Discrete Wavelet Transform Methods

Journal of Information Systems Engineering and Business Intelligence
Background: The field of clinical or medical imaging is beginning to experience significant advancements in recent years. Various medical imaging methods such as computed tomography (CT), X-radiation (X-ray), and magnetic resonance imaging (MRI) produce ...
Vijayan Ramaraj, Mareeswari Venkatachalaappaswamy, Manoj Kumar Sankar   +2 more
doaj   +1 more source

Protective factors against preterm infants to develop significant patent ductus arteriosus

Pediatrics and Neonatology, 2021
Background: Identifying preterm infants with a higher likelihood of spontaneous patent ductus arteriosus (PDA) closure would be desirable. This study aimed to examine daily PDA status during the first week of life for very low birthweight (VLBW,
Hsiao-Wen Huang, Chih Lin, Kai-Hsiang Hsu, Shih-Yun Hsu, Tze-Yee Mok, I-Hsyuan Wu, Mei-Yin Lai, Reyin Lien   +7 more
doaj   +1 more source

Generative Modelling for Unsupervised Score Calibration

, 2014
Score calibration enables automatic speaker recognizers to make cost-effective accept / reject decisions. Traditional calibration requires supervised data, which is an expensive resource.
Brümmer, Niko, Garcia-Romero, Daniel
core   +1 more source

The Positive Thinking Skills Scale: A Screening Measure for Early Identification of Depressive Thoughts [PDF]

, 2017
Background Depression is currently considered the second leading cause of disability worldwide. Positive thinking is a cognitive process that helps individuals to deal with problems more effectively, and has been suggested as a useful strategy for coping
Bekhet, Abir K., Garnier-Villarreal, Mauricio   +1 more
core   +2 more sources

PRSice-2: Polygenic Risk Score software for biobank-scale data

GigaScience, 2019
Background Polygenic risk score (PRS) analyses have become an integral part of biomedical research, exploited to gain insights into shared aetiology among traits, to control for genomic profile in experimental studies, and to strengthen causal inference,
S. Choi, P. O’Reilly
semanticscholar   +1 more source

An explainable hybrid framework for early detection of cardiovascular diseases using Categorical Boosting and Bees algorithm

Scientific Reports
Cardiovascular disease (CVD) remains one of the leading causes of death worldwide, claiming millions of lives each year. The early detection of CVD enables healthcare professionals to make informed decisions about the patient’s health.
Jayanta Sen, Sweta Bhattacharya
doaj   +1 more source

Predictive markers in estimating the need for early intensive care in patients with adhesive small bowel obstruction in the emergency department

Journal of Minimal Access Surgery, 2023
Introduction: Adhesive small-bowel obstruction (ASBO) is a common condition requiring emergency room admission, and predicting the need for intensive care unit (ICU) hospitalisation is crucial for optimal patient management.
Emre Teke, Evren Besler
doaj   +1 more source