Results 101 to 110 of about 131,054 (221)

Case study on quality prediction of the ammunition stockpile reliability program based on a small amount of discontinuous data

open access: yes선진국방연구, 2019
This research proposes a new framework on reliability assessments of stored ammunition stocks. Many previous studies on reliability assessments are based on the correlation between the content of residual stabilizer and the year of manufacturing. However,
Namsu Ahn   +3 more
doaj   +1 more source

PUMAA: Establishing a protocol for utilizing machine learning in forensic anthropological analyses

open access: yesJournal of Forensic Sciences, EarlyView.
Abstract The use of machine learning (ML) models in forensic anthropology (FA) has increased in the last half decade; however, there is a lack of a standardized protocol on how to curate, use, and assess ML models. We introduce PUMAA (A Protocol for Utilizing Machine Learning in Forensic Anthropological Analyses), which includes a flowchart and a ...
Eman Faisal, Tracy L. Rogers
wiley   +1 more source

A Web Simulator to Assist in the Teaching of Bayes’ Theorem

open access: yesJournal of Statistics Education, 2019
Teaching some concepts in statistics greatly benefits from individual practice with immediate feedback. In order to provide such practice to a large number of students we have written a simulator based on an historical event: the loss in May 22, 1968 ...
M. J. Bárcena   +4 more
doaj   +1 more source

Dynamic Pricing With Recommendation and Consumer Feedback

open access: yesThe RAND Journal of Economics, EarlyView.
ABSTRACT A long‐lived seller sells a new product of unknown value by offering prices and recommendations to short‐lived consumers in continuous time. The seller receives consumer feedback about the product at a rate that increases with the instantaneous sales volume.
Wenji Xu, Shuoguang Yang
wiley   +1 more source

Full Discretion is Inevitable

open access: yesThe RAND Journal of Economics, EarlyView.
ABSTRACT This article studies a dynamic project‐selection game between a Principal and an Agent with conflicting interests. Only the Agent knows what projects are feasible. In each period before a project is selected, the Principal imposes a restriction set. The Agent can select any feasible project within this set, thereby ending the game.
Wenhao Li
wiley   +1 more source

Reliability and structural integrity [PDF]

open access: yes
An analytic model is developed to calculate the reliability of a structure after it is inspected for cracks. The model accounts for the growth of undiscovered cracks between inspections and their effect upon the reliability after subsequent inspections ...
Davidson, J. R.
core   +1 more source

Why did Putin invade Ukraine? A theory of degenerate autocracy

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract Many dictatorships end up with a series of disastrous decisions such as Hitler's attack on the Soviet Union or Saddam Hussein's aggression against Kuwait. Even if a certain policy choice is not ultimately fatal for the regime, such as Mao's Big Leap Forward or the Pol Pot's collectivization drive, they typically involve both a miscalculation ...
Georgy Egorov, Konstantin Sonin
wiley   +1 more source

Evolution of Fagan's Nomogram; a Commentary

open access: yesEmergency, 2016
I read with interest your paper entitled "Pre and post-test probabilities and Fagan’s nomogram. I would like to add a note concerning an update on Fagan’s Nomogram.
Abdelrahman Ibrahim Abushouk
doaj  

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