Results 51 to 60 of about 522,372 (186)

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

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

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

Prediction of a multivariate spatial random field with continuous, count and ordianl outcomes [PDF]

open access: yes, 2008
As most georeferenced data sets are multivariate and concern variables of different kinds, spatial mapping methods must be able to deal with such data.
Bacro, Jean-Noël   +3 more
core  

Financial Literacy and Credit Card Payoff Behaviors: Using Generalized Ordered Logit and Partial Proportional Odds Models to Measure American Credit Card Holders’ Likelihood of Repaying Their Credit Cards

open access: yesInternational Journal of Financial Studies
According to the Federal Reserve of the United States, in the second quarter of 2024, American credit card debt reached USD 1.14 trillion, the highest balance ever recorded.
Christos I. Giannikos   +1 more
doaj   +1 more source

Learning a bayesian network from ordinal data [PDF]

open access: yes
Bayesian networks are graphical models that represent the joint distributionof a set of variables using directed acyclic graphs. When the dependence structure is unknown (or partially known) the network can be learnt from data.
Flaminia Musella
core  

Algorithms for item categorization based on ordinal ranking data

open access: yes, 2016
We present a new method for identifying the latent categorization of items based on their rankings. Complimenting a recent work that uses a Dirichlet prior on preference vectors and variational inference, we show that this problem can be effectively ...
Aeron, Shuchin, Girson, Josh
core   +1 more source

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