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The Geometry of Generalized Likelihood Ratio Test [PDF]

open access: yesEntropy, 2022
The generalized likelihood ratio test (GLRT) for composite hypothesis testing problems is studied from a geometric perspective. An information-geometrical interpretation of the GLRT is proposed based on the geometry of curved exponential families.
Yongqiang Cheng   +2 more
doaj   +2 more sources

Revisiting Chernoff Information with Likelihood Ratio Exponential Families [PDF]

open access: yesEntropy, 2022
The Chernoff information between two probability measures is a statistical divergence measuring their deviation defined as their maximally skewed Bhattacharyya distance.
Frank Nielsen
doaj   +2 more sources

Examining performance and likelihood ratios for two likelihood ratio systems using the PROVEDIt dataset. [PDF]

open access: yesPLoS ONE, 2021
A likelihood ratio (LR) system is defined as the entire pipeline of the measurement and interpretation processes where probabilistic genotyping software (PGS) is a piece of the whole LR system. To gain understanding on how two LR systems perform, a total
Sarah Riman, Hari Iyer, Peter M Vallone
doaj   +2 more sources

A likelihood ratio framework for inferring close kinship from dynamically selected SNPs [PDF]

open access: yesFrontiers in Genetics
Forensic genetic genealogy (FGG) is a force-multiplier for human identification, leveraging dense single nucleotide polymorphism (SNP) data to infer relationships through identity by descent (IBD) segment analysis.
Jianye Ge   +6 more
doaj   +2 more sources

Performance Evaluation of Source Camera Attribution by Using Likelihood Ratio Methods [PDF]

open access: yesJournal of Imaging, 2021
Performance evaluation of source camera attribution methods typically stop at the level of analysis of hard to interpret similarity scores. Standard analytic tools include Detection Error Trade-off or Receiver Operating Characteristic curves, or other ...
Pasquale Ferrara   +2 more
doaj   +2 more sources

Likelihood Ratio Approach and Clinical Interpretation of Laboratory Tests [PDF]

open access: yesFrontiers in Immunology, 2021
Walter Fierz   +2 more
doaj   +2 more sources

Obtaining reliable likelihood ratio tests from simulated likelihood functions. [PDF]

open access: yesPLoS ONE, 2014
MIXED MODELS: Models allowing for continuous heterogeneity by assuming that value of one or more parameters follow a specified distribution have become increasingly popular. This is known as 'mixing' parameters, and it is standard practice by researchers-
Laura Mørch Andersen
doaj   +1 more source

Determination and Validation of a Lower Cut Off Value of Cerebrospinal Fluid Adenosine Deaminase (CSF-ADA) Activity in Diagnosis of Tuberculous Meningitis [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Tuberculous meningitis is an infection of the meninges caused by Mycobacterium tuberculosis. It is one of the most common infectious diseases of the Central Nervous System (CNS) and a major health problem in developing countries like ...
Raviraj, Renoy A Henry, G. Ganapathi Rao
doaj   +1 more source

Understanding likelihood ratios

open access: yesCurrent Medicine Research and Practice, 2012
The utility of a diagnostic test is expressed in various statistical terms such as sensitivity, specificity, positive predictive value, negative predictive value and so on.
Sourabh Singh   +3 more
doaj   +1 more source

Log-Likelihood Ratio to Improve Hard DecisionViterbi Algorithm [PDF]

open access: yesEngineering and Technology Journal, 2013
Hard decision of Viterbi decoder suffer from the need of high Signal to Noise Ratio (SNR) to achieve reasonable Bit Error Rate (BER). For the purpose of improving the efficiency of its performance, it must increase the constraint length of the code, in ...
Mahmood Farhan Mosleh, Fa’aza Abid
doaj   +1 more source

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