Results 51 to 60 of about 21,655,635 (191)

Regression with Ordered Predictors via Ordinal Smoothing Splines

open access: yesFrontiers in Applied Mathematics and Statistics, 2017
Many applied studies collect one or more ordered categorical predictors, which do not fit neatly within classic regression frameworks. In most cases, ordinal predictors are treated as either nominal (unordered) variables or metric (continuous) variables ...
Nathaniel E. Helwig, Nathaniel E. Helwig
doaj   +1 more source

Identifying Biomarkers from Mass Spectrometry Data with Ordinal Outcome

open access: yesCancer Informatics, 2007
In recent years, there has been an increased interest in using protein mass spectroscopy to identify molecular markers that discriminate diseased from healthy individuals.
Deukwoo Kwon   +4 more
doaj   +2 more sources

Analyzing and visualizing repeated-measures needs assessment data using the ranked discrepancy model

open access: yesAdvancements in Agricultural Development
The Ranked Discrepancy Model was introduced in 2021 as an alternative for analyzing Borich-style competency-based needs assessment data which avoided the pitfalls associated with the original methods for analysis.
Lendel Narine, Amy Harder
doaj   +1 more source

Comparative analysis for quantification of Citrus Variegated Chlorosis in the field

open access: yesScientia Agricola, 2011
Citrus Variegated Chlorosis (CVC) caused by Xylella fastidiosa is one of the most important diseases for Brazilian citriculture. The CVC is a vascular disease with a long incubation period and symptoms similar to other disorders, and this factors ...
Fabrício Packer Gonçalves   +4 more
doaj   +1 more source

Overcoming the ordinal imbalanced data problem by combining data processing and stacked generalizations

open access: yesMachine Learning with Applications, 2022
Ordinal imbalanced datasets are pervasive in real world applications but remain challenging to analyse as they require specific methods to account for the ordering information and imbalanced classes.
Marine Desprez, Kyle Zawada, Daniel Ramp
doaj   +1 more source

Missing Data Imputation for Ordinal Data

open access: yesInternational Journal of Computer Applications, 2018
The treatment of missing data has become a mandatory step for performing valid data analysis in most scientific research fields. In fact, researchers have found that dealing with missing data avoids misleading data analysis and improves the quality and ...
Maryuri Quintero, Aera Leboulluec
semanticscholar   +1 more source

ICO, un indice de la consistance ordinale d’une série statistique [PDF]

open access: yesTutorials in Quantitative Methods for Psychology
Une série numérique générée à partir d’un processus séquentiel montre-t-elle une tendance identifiable (monotonicité partielle ou complète), un désordre excessif, ou une simple variance d’erreur?
Laurencelle, Louis
doaj   +1 more source

Assessment of Resistance of Barley Varieties to Diseases in Polish Organic Field Trials

open access: yesAgriculture
Leaf rust and net blotch are two important fungal diseases of barley. Leaf rust is the most important rust disease of barley, whereas net blotch can result in significant yield losses and cause the deterioration of crop quality.
Tomasz Lenartowicz   +6 more
doaj   +1 more source

Statistical analyses of ordinal outcomes in randomised controlled trials: protocol for a scoping review

open access: yesTrials, 2023
Introduction Randomised controlled trials (RCTs) aim to assess the effect of one (or more) unproven health interventions relative to other reference interventions.
Chris J. Selman   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy